Cornell University InsigniaCornell University New York State Agricultural Experiment Station

 

Abawi photograph
George S. Abawi
Professor of Plant Pathology
& International Agriculture
Department of Plant Pathology

Address, Phone, Fax

E-Mail: gsa1@cornell.edu

Ph.D. 1970. Plant Pathology
Cornell University
M.S. 1965. Plant Pathology
Cornell University
B.S. 1962. Plant Science
University of Baghdad

Division of Effort
Research - 100%, Vegetable pathology, biology and ecology of soilborne pathogens, integrated disease management, soil health, international agriculture.

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   Publications

RESEARCH AND EXTENSION PUBLICATIONS:

Refereed Journal Articles

Gugino, B. K., J. E. Carroll, T. L. Widmer, P. J. Chen, and G. S. Abawi. 2007. An IPM program for managing fungal leaf blight diseases of carrot in New York. Plant Disease 91:59-65.

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2007. Damage and management of Meloidogyne hapla using Oxamyl on carrots in New York. J. of Nematology 39: (Accepted).

Gugino, B. K., J. E. Carroll, T. L. Widmer, P. J. Chen, and G. S. Abawi. 2007. Field reaction of carrot cultivars for susceptibility to fungal leaf blight diseases in New York. Crop Protection 26: (Accepted, DOI:10.1016/j.cropro.2006.06.009).

Shengrui, Yao, I. A. Merwin, G. S. Abawi, and J. E. Thies. 2006. Soil fumigation and compost amendment alter soil microbial community composition but do not improve tree growth or yield in an apple replant site. Soil Biology & Biochemistry 38: 587-599.

Yao, S., I. A. Merwin, G. W. Bird, G. S. Abawi, and J. E. Thies. 2005. Orchard floor management practices that maintain vegetative or biomass groundcover stimulate soil microbial activity and alter soil microbial community composition. Plant and Soil 271: 377-389.

Molinari, S., F. Lamberti, L. W. Duncan, J. Halbrendt, M. McKenry, G. S. Abawi, J. C. Magunacelaya, R. Crozzoli, R. Lemos, A. P. Nyczepir, P. Nagy, R. T. Robbins, J. Kotcon, M. Moens, and D. J. F. Brown. 2004. SOD polymorphism in Xiphinema americanum-group (Nematoda: Longidoridae). Nematology 6: 867-876.

Padgham, J. L., G. S. Abawi, J. M. Duxbury, and M. A. Mazid. 2004. Impact of wheat on Meloidogyne graminicola populations in the rice-wheat system of Bangladesh. Nematropica 34: 183-190.

Padgham, J. L., J. M. Duxbury, A. M. Mazid, G. S. Abawi, and M. Hossain. 2004. Yield loss caused by Meloidogyne graminicola on lowland rainfed rice in Bagrladesh. J. of Nematology 36:42-48.

Padgham, J. L., G. S. Abawi, and J. M. Duxbury. 2003. Survival and infectivity of Meloidogyne graminicola in flooded and non-flooded soils. Nematol. Medit. 31:225-230.

Mitkowski, N. A. and G. S. Abawi. 2003. Root-knot nematodes. The Plant Health Instructor. DOI:10.1094/PHI-I-2003-0917-01.

Mitkowski, N. A., and G. S. Abawi. 2003. Reproductive fitness on lettuce of populations of Meloidogyne hapla from New York State vegetable fields.  Nematology 5: 77-83.

Mitkowski, N. A., and G. S. Abawi. 2003. Genetic diversity of New York State Meloidogyne hapla populations determined by RAPDs and mitochondria DNA. Journal of Nematode Morphology and Systematics 5:191-202.

Mitkowski, N. A., and G. S. Abawi. 2002. Monoxenic maintenance and reproduction of Meloidogyne hapla on multiple in vitro root culture systems. Plant Cell Rep. 21:14-23.

Mitkowski, N. A., H. Van der Beek, and G. S. Abawi. 2002. Characterization of root-knot nematode populations associated with vegetables in New York State. Plant Disease 86: 840-847.

Widmer, T. L., and G. S. Abawi. 2002. Relationship between levels of cyanide in sudangrass hybrids incorporated into soil and suppression of Meloidogyne hapla. J. of Nematology 34: 16-22.

Widmer, T. L., N. A. Mitkowski, and G. S. Abawi. 2002. Soil organic matter and management of plant-parasitic nematodes. J. of Nematology 34: 289-295.

Widmer, T. L., and G. S. Abawi. 2000. Mechanism of suppression of the northern root-knot nematode by sudangrass incorporated as a green manure. Plant Disease 84: 562 – 568.

Viaene, N.M.M., and G.S. Abawi. 2000. Hirsutella rhosiliensis and Verticillium chlamydosporium as Biocontrol agents of the root-knot nematode Meloidogyne hapla on lettuce. J. of Nematology 32: 85-100.

Chen, J., G. S. Abawi, and B. M. Zuckerman. 2000. Efficacy of Bacillus thuringiensis, Paecilomyces marquandii, and Strepromyces costaricanus with and without organic amendments against Meloidogyne hapla infecting lettuce. J. of Nematology 32: 70 - 77.

Abawi, G. S., and T. L. Widmer. 2000. Impact of soil health management practices on soilborne pathogens, nematodes and root diseases of vegetable crops. Applied Soil Ecology 15: 37 - 47.

Chen, J., G. S. Abawi, and B. M. Zuckerman. 1999. Suppression of Meloidogyne hapla and its damage to lettuce grown in a mineral soil amended with chitin and biocontrol organisms. Suppl. J. of Nematology 31 (4S): 719 - 725.

Viaene, N.M.M., and G.S. Abawi. 1998. Management of Medloidogyne hapla on lettuce in organic soil with sudangrass as a cover crop. Plant Disease 82: 945-952.

Viaene, N.M.M., and G.S. Abawi. 1998. Fungi parasitic on juveniles and egg masses of Meloidogyne hapla in organic soils from New York. J. of Nematology (Suppl.) 30: 632 – 638..

Viaene, N.M.M., P. Simoens, and G.S. Abawi. 1997. SeinFit: a computer program for the estimation of the seinhorst equation. J. of Nematology 29: 474-477.

Olaya, G., Abawi, G. S., and Weeden, N. F. 1996. Inheritance of the resistance to Macrophomina phaseolina and identification of RAPD markers linked to the resistance genes in beans. Phytopathology 86: 674-679.

Olaya, G., and Abawi, G. S. 1996. Effect of water potential on mycelial growth, and on production and germination of sclerotia of Macrophomina phaseolina. Plant Disease 80: 1347-1350.

Olaya, G., and Abawi, G. S. 1996. Influence of water potential on survival of sclerotia in soil and on infection of beans by Macrophomina phaseolina. Plant Disease 80: 1351-1354.

Viaene, N. M. M., and Abawi, G. S. 1996. Damage threshold of Meloidogyne hapla to lettuce in organic soil. J. of Nematology 28: 537-545.

Olaya, G. and Abawi, G. S. 1994. Characteristics of isolates of Rhizoctonia solani and binucleate Rhizoctonia species causing foliar blight and root rot on Table beets in New York State. Plant Disease 78:800-804.

Olaya, G. and Abawi, G. S. 1994. Influence of inoculum type and moisture on development of Rhizoctonia solani on foliage of Table beets. Plant Disease 78:805-810.

France, R.A. and Abawi, G. S. 1994. Interaction between Meloidogyne incognita and

Fusarium oxysporum f. sp. phaseoli on selected bean cultivars. J. Nematology 26:467-474.

Olaya, G., and Abawi, G. S. 1994. Response of Rhizoctonia solani and binucleate Rhizoctonia to five fungicides and control of pocket rot of Table beets with foliar sprays. Plant Disease 78:1033-1037.

France, R. A. and Abawi, G. S. 1994. Interactions between Meloidogyne incognita and Fusarium oxysporum f. sp. phaseoli on selected bean cultivars. J. of Nematology 26:467-474.

Khan, A. A., Abawi, G. S., and MaGuire, J. D. 1992. Integrating matriconditioning and fungicidal treatment of table beet seed to improve stand establishment and yield. CropScience 32:231-237.

Khan, A. A., MaGuire, J. D., Abawi, G. S., and Ilyas, S. 1992. Matriconditioning of vegetable seeds to improve stand establishment in early field plantings. J. Amer. Soc. Hort. Sci. 117:41-47. 

Abawi, G. S. and Pastor-Corrales, M. A. 1991. Seed transmission and effect of fungicide seed treatments against Macrophomina phaseolina in dry edible beans. Turrialba 40:334-339.

Burr, T. J., Katz, B. H., Abawi, G. S., and Crosier, D. C. 1991. Comparison of tumorigenic strains of Erwinia herbicola isolated from table beet with E. herbicola pv. gypsophilae. Plant Disease 75:855-858.

Mullin, B. A., Abawi, G. S., and Pastor-Corrales, M. A. 1991. Modification of resistance expression of Phaseolusvulgaris to Meloidogyne incognita by elevated soil temperature. J. of Nematology 23:182-187.

Mullin, B. A., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1991. Contribution of root and shoot tissues of Phaseolus vulgaris for resistance to root-knot nematode (Meloidogyne incognita). HortScience 26:1503-1504.

Mullin, B. A., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1991. Reaction of selected bean pure lines and accessions to Meloidogyne species. Plant Disease 75:1212-1216.

Mullin, B. A., Abawi, G .S., Pastor-Corrales, M. A., and Kornegay, J. L. 1991. Root-knot nematodes associated with beans in Colombia and Peru and related yield loss. Plant Disease 75:1208-1211.

Abawi, G. S. and Pastor-Corrales, M. A. 1989. Charcoal rot screening procedure and virulence of Macrophomina phaseolina isolates on dry edible beans. Turrialba 39:200-207.

Dillard, H. R., and Abawi, G. S. 1988. Occurence of Aphanomyces euteiches f. sp. phaseoli on beans in New York State. Plant Diseas 72:912.

Pastor-Corrales, M. A., and Abawi, G. S. 1988. Bean accessions with resistance to Rhizoctonia solani under field conditions in Colombia. Turrialba 38:87-92.

Pastor-Corrales, M. A., and Abawi, G. S. 1988. Reaction of selected bean accessions to infection by Macrophomina phaseolina. Plant Disease 72:39-41.

 Pastor-Corrales, M. A., and Abawi, G. S. 1987. Reaction of selected bean germplasm to infection by Fusarium oxysporum f. sp. phaseoli. Plant Disease 71: 990-993.

 Abawi, G. S., Duniway, J. M., and Grogan, R. G. 1985. Effect of water potential osurvival of sclerotia of Sclerotinia minor in two California soils. Phytopathology 75:217-221.

Abawi, G. S., and Martin, S. B. 1985. Rhizoctonia foliar blight of cabbage in New York State. Plant Dis. 69:158-161.

Crosier, D. C., and Abawi, G. S. 1985. Power-takeoff rotary digger for establishing cylindrical field microplots in heavy-textured soils.Plant Dis. 69:81-82.

Martin, S. B., Abawi, G. S., and Hoch, H. C. 1985. The relation of population densities of the antagonist, Laetisaria arvalis, to seedling diseases of table beet incited by Pythium ultimum. Can. J. Microbiol. 32:156-159.

Abawi, G. S., and Barker, K. R. 1984. Effects of cultivar, soil temperature, and population levels of Meloidogyne incognita on root necrosis and Fusarium wilt of tomato. Phytopathology 74:433-438.

Abawi, G. S., and Jacobsen, B. J. 1984. Effect of initial inoculum densities of Heterodera glycines on growth of soybean and kidney bean and their efficiency as hosts under greenhouse conditions. Phytopathology 74:1470-1474.

Martin, S. B., Abawi, G. S., and Hoch, H. C. 1984. Influence of the antagonist Laetisaria arvalis on infection of table beets by Phoma betae.Phytopathology 74:1092-1096.

Abawi, G. S., and Mai, W. F. 1983. Increase in cabbage yield by fenamiphos treatment of noninfested and Heterodera schachtii-infested field soils. Plant Dis. 67:1343-1346.

Galindo, J. J., Abawi, G. S., Thurston, H. D., and Galvez, G. 1983. Effect of mulching on web blight of beans in Costa Rica. Phytopathology 73:610-615.

Galindo, J. J., Abawi, G. S., Thurston, H. D., and Galvez, G. 1983. Source of inoculum and development of bean web blight in Costa Rica. Plant Dis. 67:1016-1021.

Martin, S. B., Hoch, H. C., and Abawi, G. S. 1983. Population dynamics of Laetisaria arvalis and low-temperature Pythium spp. in untreated and pasteurized beet field soils. Phytopathology 73:1445-1449. 

Galindo, J. J., Abawi, G. S., and Thurston, H. D. 1982. Variability among isolates of Rhizoctonia solani associated with snap bean hypocotyls and soils in New York. Plant Dis. 66:390-394.

Galindo, J. J., Abawi, G. S., Thurston, H. D., and Galvez, G. 1982. Characterization of Thanatephorus cucumeris isolates causing web blight of beans in Costa Rica. Turrialba 32:447-455.

Jaffee, B. A., Abawi, G. S., and Mai, W. F. 1982. Fungi associated with roots of an apple seedling grown in soil from an apple replant site. Plant Dis. 66:942-944.

Jaffee, B. A., Abawi, G. S., and Mai, W. F. 1982. Role of soil microflora and Pratylenchus penetrans in an apple replant disease. Phytopathology 72:247-251.

Mai, W. F., and Abawi, G. S. 1981. Controlling replant diseases of pome and stone fruits in Northeastern United States by preplant fumigation. Plant Dis. 65:859-864.

Abawi, G. S., and Mai, W. F. 1980. Effects of initial population densities of Heterodera schachtii on yield of cabbage and table beets under field conditions. Phytopathology 70:481-485.

Abawi, G. S., Robinson, R. W., Cobb, A. C., and Shail, J. W. 1980. Reaction of lettuce germplasm to artificial inoculation with Sclerotinia minor under greenhouse conditions. Plant Dis. 64:668-671.

Mai, W. F., and Abawi, G. S. 1980. Influence of crop rotation on spread and density of Heterodera schachtii on a commercial vegetable farm in New York. Plant Dis. 64:302-305.

Abawi, G. S., and Grogan, R. G. 1979. Epidemiology of diseases caused by Sclerotinia species. Phytopathology 69:899-904.

Hoch, H. C., and Abawi, G. S. 1979. Biological control of Pythium root rot of table beet with Corticium sp. Phytopathology 69:417-419.

Hoch, H. C., and Abawi, G. S. 1979. Mycoparasitism of oospores of Pythium ultimum by Fusarium merismoides. Mycologia 71:621-625.

Abawi, G. S., and Mai, W. F. 1978. Root diseases of fruit trees in New York State. X. Toxicity of oxamyl to Pratylenchus penetrans. Plant Dis. Rep. 62:637-641.

Abawi, G. S., Provvidenti, R., Crosier, D. C., and Hunter, J. E. 1978. Inheritance of resistance to white mold disease in Phaseolus coccineus. J. Hered. 69:200-202.

Burr, T. J., Hunter, J. E., Ogawa, J. M., and Abawi, G. S. 1978. A root rot of apple caused by Rhizoctonia solani in New York nurseries. Plant Dis. Rep. 62:476-479.

Hunter, J. E., Abawi, G. S., and Crosier, D. C. 1978. Effects of timing, coverage, and an oil additive on control of white mold of snap bean with benomyl. Plant Dis. Rep. 62:633-637.

Mai, W. F., and Abawi, G. S. 1978. Determining the cause and extent of apple, pear, and cherry replant diseases under controlled conditions. Phytopathology 68:1540-1544.

Ogawa, J. M., Gilpatrick, J. D., Uyemoto, J. K., and Abawi, G. S. 1978. Variations in fungal growth on various preparations of potato dextrose agar media. Plant Dis. Rep. 62:437-441.

Pieczarka, D. J., and Abawi, G. S. 1978. Effect of interaction between Fusarium, Pythium, and Rhizoctonia on severity of bean root rot. Phytopathology 68:403-408.

Pieczarka, D. J., and Abawi, G. S. 1978. Population and biology of Pythium species associated with snap bean roots and soils in New York. Phytopathology 68:409-416.

Pieczarka, D. J., and Abawi, G. S. 1978. Influence of soil water potential and temperature on severity of Pythium root rot of snap beans. Phytopathology 68:766-772.

Starr, J. L., Mai, W. F., and Abawi, G. S. 1978. Effect of oxamyl on the reproduction of Meloidogyne hapla and Heterodera schachtii. J. Nematol. 10:378-379.

Abawi, G. S., Crosier, D. C., and Cobb, A. C. 1977. Pod-flecking of snap beans caused by Alternaria alternata. Plant Dis. Rep. 61:901-905.

Uyemoto, J. K., Cummins, J. R., and Abawi, G. S. 1977. Virus and virus-like diseases affecting grapevines in New York vineyards. Am. J. Enol. Vitic. 28:131-136.

York, D. W., Dickson, M. H., and Abawi, G. S. 1977. Inheritance of resistance to seed decay and pre-emergence damping-off in snap beans caused by Pythium ultimum. Plant Dis. Rep. 61:285-289.

Mai, W. F., Abawi, G. S., and Dunn, R. A. 1976. Root diseases of fruit trees in New York State. VIII. The influence of application method on the effectiveness of methyl bromide as a preplant treatment for increasing growth of apple trees. Plant Dis. Rep. 60:1057-1060.

Polach, F. J., and Abawi, G. S. 1975. The occurrence and biology of Botryotinia fuckeliana on beans in New York. Phytopathology 65:657-660.

Abawi, G. S., and Grogan, R. G. 1975. Source of primary inoculum and effects of temperature and moisture on infection of beans by Whetzelinia sclerotiorum. Phytopathology 65:300-309.

Abawi, G. S., and Mai, W. F. 1975. Effect of foliar applications of oxamyl on movement of Pratylenchus penetrans in and outside host roots. Plant Dis. Rep. 59:795-799.

Abawi, G. S., Polach, F. J., and Molin, W. T. 1975. Infection of bean by ascospores of Whetzelinia sclerotiorum. Phytopathology 65:673-678.

Grogan, R. G., and Abawi, G. S. 1975. Influence of water potential on growth and survival of Whetzelinia sclerotiorum. Phytopathology 65:122-128.

Hunter, J. E., Abawi, G. S., and Becker, R. F. 1975. Observations on the source and spread of Xanthomonas compestris in an epidemic of black rot in New York. Plant Dis. Rep. 59:384-387.

Dickson, M. H., and Abawi, G. S. 1974. Resistance to Pythium ultimum in white-seeded beans (Phaseolus vulgaris). Plant Dis. Rep. 58:774-776.

 Abawi, G. S., Foster, Janice, and Mai, W. F. 1973. Differentiation of cysts of Heterodera schachtii and H. trifolii by fenestral length. J. Nematol. 5:74-75.

Abawi, G. S., and Lorbeer, J. W. 1972. Several aspects of the ecology and pathology of Fusarium oxysporum f. sp. cepae. Phytopathology 62:870-876.

Mai, W. F., Abawi, G. S., and Becker, R. F. 1972. Population levels of Heterodera schachtii in New York and damage to red beet and cabbage under greenhouse conditions. Plant Dis. Rep. 56:434-437.

Abawi, G. S., and Lorbeer, J. W. 1971. Populations of Fusarium oxysporum f. sp. cepae in organic soils in New York. Phytopathology 61:1042-1048.

Abawi, G. S., and Lorbeer, J. W. 1971. Pathological histology of four onion cultivars infected by Fusarium oxysporum f. sp. cepae. Phytopathology 61:1164-1169.

Abawi, G. S., and Lorbeer, J. W. 1971. Reaction of selected onion varieties to infection by Fusarium oxysporum f. sp. cepae. Plant Dis. Rep. 55:1000-1004.

Abawi, G. S., and Mai, W. F. 1971. Root diseases of fruit trees in New York State. III. Control of Pratylenchus penetrans in roots of apple, peach, pear, and cherry by foliar sprays with a nematicide-insecticide. Plant Dis. Rep. 55:617-620.

Korf, R. P., and Abawi, G. S. 1971. On Holwaya, Crinula, Claussenomyces, and Corynella. Can. J. Bot. 49:1879-1883.

Search and Food & Life Sciences Bulletins, IPM pdf Publications

Gugino, B. K., J. Carroll, J. Chen, J. Ludwig, and G. Abawi: 2004. Carrot leaf blight diseases and their management in New York. NYS IPM Program, Cornell University. http://www.nysipm.cornell.edu/factsheets/vegetables/misc/clb.pdf

Widmer, T. L., J. W. Ludwig, and G. S. Abawi. 1999. The northern root-knot nematode on carrots, lettuce, and onions in New York. New York’s Food and Life Sci. Bull. No. 156, 2 pp. (ISBN 0362-0069).

Abawi, G. S., Crosier, D. C., Cobb, A. C., and Becker, R. F. 1986. Root rot of table beets in New York State. New York's Food and Life Sci. Bull. 115, 8 pp.

Abawi, G. S., Crosier, D. C., and Cobb, A. C. 1985. Root rot of snap beans in New York. New York's Food and Life Sci. Bull. 110, 7 pp.

Abawi, G. S., and Hunter, J. E. 1979. White mold of beans in New York. New York's Food and Life Sci. Bull. 77, 4 pp.

Food and Life Sciences Quarterly

Abawi, G. S., Thurston, H. D., and Galvez, G. 1982. "Tapado" - Controlling web blight of beans on small farms in Central America. N.Y. Food and Life Sci. Quar. 14: 20-25.

Abawi, G. S., and Mai, W. F. 1977. The sugar beet cyst nematode: A threat to the red beet and cabbage industries in New York. N.Y. Food and Life Sci. Quar. 10(4):10-13.

Review Articles, Book Chapters, and Books

Abawi, G. S., Mullin, B. A. and Mai, W. F. 2005. Plant-parasitic nematodes. pp 52-57. In: Compendium of Bean Diseases. H. F. Schwartz, J. R. Steadman, and R Hall (eds.). Second Edition, APS Press, St. Paul, MN. 109 pp.

Abawi, G.S. and J. Chen. 1997. Concomitant pathogen and pest interactions. Chapter 7. Pp. 65-85. In: Plant-Nematode Interactions. K. R. Barker, Pederson, G. A, and Windham, G. L. (eds.), Amer. Soc. of Agronomy monograph series book, No. 36. 771 pp.

Thurston, H. D., Smith, M., Abawi, G. S., and Kearl, S. (eds). 1994. Tapado - slash/mulch: How farmers use it and what researchers know about it. CATIE/CIIFAD, Cornell University, Ithaca, NY. English (302 pp), Spanish (330 pp).

Khan, A.A., Abawi, G.S., and MaGuire, J.D. 1992. Osmotic and matriconditioning of seeds to improve stand establishment and yield. Advances in Agronomy. 1:97-112.

Abawi, G. S., Mullin, B. A. and Mai, W. F. 1991. Plant parasitic nematodes. pp 32-36. In: Compendium of Bean Diseases. R Hall (ed.). APS Press, St. Paul, MN. 73 pp.

Abawi, G.S. 1991. Black root rot. pp 8-9. In: Compendium of Bean Diseases. R. Hall (ed.). APS Press, St. Paul, MN. 73 pp.

Abawi, G.S., and Mai, W.F. 1990. Plant parasitic nematodes. pp. 70-74. In: Compendium of Apple and Pear Diseases. A.L. Jones and H.S. Aldwinckle (eds.). APS Press, St. Paul, MN. 100 pp.

Abawi, G.S., and M.A. Pastor-Corrales. 1990. Root rots of beans in Latin America and Africa: Diagnosis, Research Methodologies, and Management Strategies. CIAT publication No. 35, Cali, Colombia. 114 pp.  

Abawi, G. S. 1989. Root Rots. pp 105-157. In: Bean Production Problems in the Tropics. H. F. Schwartz and M.A. Pastor-Corrales (eds.), CIAT, Cali, Colombia. 725 pp.

Abawi, G. S., and Varon, F. H. 1989. Nematodes. pp 433-453. In: Bean Production Problems in the Tropics. H. F. Schwartz and M.A. Pastor-Corrales (eds.), CIAT, Cali, Colombia. 725 pp.

Mai, W.F., and Abawi, G.S. 1987. Interactions among rootknot nematodes and Fusarium- wilt fungi on host plants. Ann. Rev. Phytopathology 25:317-338.

Martin, S. B., Abawi, G. S., and Hoch, H. C. 1985. Biological control of soilborne pathogens with antagonists. p. 433-454. In: Biological Control and Integrated Pest Management Systems. M. Hoy and D. C. Herzog (eds.), Academic Press. 589 pp.

Proceedings of Scientific Conferences

Sharma, S. B., N. Greco, H. S. Gaur, G. S. Abawi, and S. S. Ali. 2006. Monitoring, forecasting and management of nematodes of food legumes. Invitational paper presented at the 4th Internaional Food Legumes Research Conference, October 18-22, 2005, New Delhi, India (26 page manuscript, in-press, meeting proceeding).

Widmer, T.L., and G.S. Abawi. 1998. Management of nematodes by the use of cover crops and their incorporation as green manures. Pp. 80 – 86. In: Nematode pests in rice-wheat-legume cropping systems: Proc.of a Regioinal Training Course (1-5 Sept. 1997, CCS Haryana Agric. University, Haryana, India), S. B. Sharma, C. Johnson, and S. K. Midha eds., Rice-Wheat Consortium Paper Series 4.

Abawi, G. S. 1996. Interactions among plant-parasitic nematodes and pathogenic fungi. Proc., 3rd International Nematology Congress, Quadeloupe, July, 1996.

Mai, W. F., Merwin, I. A., and Abawi, G. S. 1994. Diagnosis, etiology, and management of replant disorders in New York cherry and apple orchards. Proc. Intern. Sympo. on Replant Problems, Summerland, BC, July 21-23, 1993. Acta Horticulturae 363:33-41.

Abawi, G. S. and H. D. Thurston. 1994. Effects of organic mulches, soil ammendments, and cover crops on soilborne pathogens and their root diseases. A review. pp. 89-99. In Thurston, H. D. et al. (eds). Tapado-slash/mulch: How farmers use it and what researchers know about it. CATIE/CIIFAD, Cornell University, Ithaca, NY. 302 pp.

Abawi, G. S., Viaene, N. M. M. , Young, D. H., and Capron, L. K. 1993. Symptoms and Damage of Root-Knot Nematode on Onions Grown on Organic Soils. pp 68-70. Proc. of the 1993 National Onion Research Conf., Dec. 8-11, Ithaca, NY. 216 pp.

Abawi, G. S. 1991. An overview of root diseases of vegetable crops and their control strategies. Proc. of the International Workshop on Tropical Plant Pathology held Jan. 6-17, 1991 in Villahermosa, Tabasco Mexico, 11 pp.

Abawi, G. S., Pastor-Corrales, M., Kornegay, J., Mullin, B., and Cardenas-Alonso, M. 1990. Bean germplasm with resistance to fungal and nematodal soilborne pathogens. Proc. BIC Annual Meeting. 33:66-67.

Abawi, G. S. 1989. Control de enfermedades radiculares en sisteura de produccion. pp. 28-32. In: Seminartaller: investigacion en sisteuras de produccion. P.L. Gomez (ed.). CNI Tibaitata - Junio 27 a 29 de 1988. ICA/CIID, Bogota, Colombia. 152 pp.

Abawi, G. S. 1988. Major Root Diseases of Food legume crops and their control strategies. Proceedings of the Colombian Phytopathological Society meeting, June 20-24, Pasto, Colombia. Fitopatologia Colombiana 13:32-35.

Abawi, G. S. 1988. Disease Control in Multiple Cropping Systems, pp 28-32. In: Proceedings of a Workshop on Multiple Cropping Systems Research, sponsored by ICA/CIID, June 27-July 1, 1988, Tibaitata, Bogota, Colombia. 152 pp.

Abawi, G.S. 1980. Field screening procedures for identifying resistance to soilborne diseases of beans. pages 151-156. In: Y.L. Nene (ed.). Proceedings of the Consultants' Group Discussion of Legumes, 8-11 Jan. 1979, ICRISAT, Hyderabad, India. 167 pp. 

Other Publications

Abawi, G. S., B. K. Gugino, and J. W. Ludwig. 2006.  The Gates farm long-term soil health research site: What, how, and results to-date. Empire State Fruit and Vegetable Expo Procedings, Cornell Coop. Extension, pp. 111 – 114.

Abawi, G. S., B. K. Gugino, and J. W. Ludwig. 2006. Visual assessment of nematode infestations and management options. Empire State Fruit and Vegetable Expo Proceedings, Cornell Coop. Ext., pp. 158 - 160.

Abawi, G. S., B. K. Gugino, and J. W. Ludwig. 2006. Beet diseases and summary of research results of 2005. Empire State Fruit and Vegetable Expo Proceedings, Cornell Coop. Extension, pp. 189 - 191.

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2006. Evaluation of fungicides for management of leaf blight on carrot, 2005. Fungicide and Nematicide Tests 61:V 107.

Gugino, Beth, Omololu Idowu, Harold van Es, Robert Schindlebeck, George Abawi, David Wolfe, Janice Thies, and Bianca Moebius. 2006. Soil health assessment & tillage systems. ACRES 36: 22 – 25.

Gugino, B. K., J. W. Ludwig, P. Chen, and G. S. Abawi. 2006. Greenhouse reactions of carrot cultivars to northern root-knot nematode, 2003 and 2004. Biological and Cultural Control of Plant Disease (on-line) Report 21: V006. DOI:10.109411BC21, St. Paul, MN:APS. 

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2006. Evaluation of fungicides for the control of pocket rot of table beets, 2005. Fungicide and Nematicide Tests, APS 61:V102.

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2006. Bean root rot Evaluation protocols currently used in New York. BIC 49: 83-84.

Lynch, J. P., E. Peralta, G. Abawi, and E. Falconi. 2006. Field evaluation of bean root architecture. BIC 49: 269-270.

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2006. Carrot leaf blight Management and the observation of powdery mildew in New York. Veg. Edge 2 (4): 14 - 15.

Abawi, G. S., and J. W. Ludwig. 2005. Effects of three crop rotations with and without deep plowing on root rot severity and yield of beans. BIC 48: 118-119.

Banu, S. P., M. A. Shaheed, A. A. Siddique, M. A. Nahar, H. U. Ahmed, M. H. Devare, J. M. Duxbury, J. G. Lauren, G. S. Abawi, and C. A. Meisner. 2005. Soil Biological Health: A major factor in increasing the productivity of the rice-wheat cropping system. International Rice Research Notes 30 (1): 5-11.

Abawi, G. S., and J. W. Ludwig. 2005. Nematodes on onions: New control products and soil bioassays. Empire State Fruit and Vegetable Expo Proceedings, Cornell Coop. Ext., pp 107-110.

Abawi, G. S., and J. W. Ludwig. 2005. Beet rots and control options. Proceedings, Empire State Fruit and Vegetable Expo, Cornell Coop. Ext., pp 118-121.

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2005. Update on leaf blight and root-knot nematode diseases of carrots and their management. Proceedings, Empire State Fruit and vegetable Expo, Cornell Coop. Ext. pp 115-117.

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2005. Root health and pathogenic / beneficial nematodes as indicators of soil health. Proceedings, Empire State Fruit and Vegetable Expo, Cornell Coop. Ext. pp 161-163.

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2005. Evaluation of fungicides for management of leaf blight on carrot, 2004. Fungicide and Nematicide Tests 60: V081.

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2005. Evaluation of fungicides for the control of pocket and leaf spot of table beets, 2004. Fungicide and Nematicide Tests, APS 60: V146.

Gugino, B. K., and G. S. Abawi. 2005. Carrot leaf blight: Current management options and fungicide update. VEG EDGE, CCE Vol. 1 (5): 16-18.

Abawi, G. S., and G. S. Abawi. 2004. Evaluation of fungicides for the control of pocket rot and foliar diseases of table beets, 2003. Fungicide and nematicide Tests, APS 59:V043.

Abawi, G. S., and J. w. Ludwig. 2004. Evaluation of fungicides for control of leaf blights on carrots, 2003. Fungicide and Nematicide Tests, APS 59:V044.

Abawi, G. S. 2004. Soil; Health Program Work Team at Cornell. PP. 35-36. Proceedings III, Empire State Fruit & Vegetable Expo, CCE, Cornell University, Ithaca, NY.

Abawi, G. S. and J. W. Ludwig. 2004. Beet diseases, management options and research results, 2003. PP. 106-108. Proceedings III, Empire State Fruit & Vegetable Expo, CCE, Cornell University, Ithaca, NY.

Abawi, G. S. and J. W. Ludwig. 2004. PP. 47-49. Nematode control: A method for determining the need to treat and potential new products. Proceedings II, Empire State Fruit & Vegetable Expo, CCE, Cornell University, Ithaca, NY.

Abawi, G. S., J. W. Ludwig, and Janet Chen. 2004. Carrot diseases, management options and summary of research results, 2003. PP. 109-112. Proceedings I, Empire State Fruit & Vegetable Expo, CCE, Cornell University, Ithaca, NY.

Abawi, G. S., J. W. Ludwig, and D. C. Crosier. 2003. Evaluation of fungicides for the control of foliar and pocket rot of table beets, 2002. Fungicide and Nematicide Tests, APS 58:V014.

Abawi, G. S. and J. w. Ludwig. 2003. Evaluation of fungicides for control of leaf blight of carrots, 2002. Fungicide and Nematicide Tests, APA 58:V015.

Chen, P.J, J. W. Ludwig, and G. S. Abawi. 2003. Research results on the management of carrot diseases in 2002. Pp. 51-55, NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawi, G. S. and J. W. Ludwig. 2003. Summary of 2002 research results on beet diseases. Pp. 56-59, NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Landers, A. and G. S. Abawi. 2003. Evaluating new nozzles and their placement for improving coverage and effectiveness of fungicides on beets. Pp. 60-62, NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawil, G. S., and J. W. Ludwig. 2003. Research results on the management of nematodes on onions. Pp. 167-172, NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawi, G. S., and J. W. Ludwig. 2003. Comparing the effectiveness of selected cover crops incorporated as green manures without and with a surface seal against root pathogens of beans/vegetables. NYS IPM Publication #129, pp67-71, NYSAES, Geneva, NY.

Carroll, J. E., G. S. Abawi, and J. W. Ludwig. 2002. Carrot leaf blight diseases: Biology, monitoring and control. Pp. 124 – 127. NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawi, G. S., and J. W. Ludwig. 2002. Research results and review of management options for beets. Pp. 130 – 133. NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawi, G. S., J. W. Ludwig, and D. C. Crosier. 2002. Evaluation of fungicides for the control of pocket rot of table beets, 2001. Fungicide and Nematicide Tests, APS 57: V011.

Carroll, J. E., J. w. Ludwig, and G. S. Abawi. 2002. Evaluation of fungicides for control of leaf blight on carrot, 2001. Fungicide and Nematicide Tests, APS 57: V018.

Abawi, G. S., and J. W. Ludwig. 2002. Management of bean root rots by cultural practices. Bean Improvement Cooperative 45: 40-41.

Abawi, G. S., and Ludwig, J. W. 2001. Root rot control for peas and beans. Pp. 38-40, NYS Veg. Conf.Proc., Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2001. Update on beet diseases and their management. Pp. 122-126, NYS Veg. Conf.Proc., Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2001. Management of fungal leaf blight diseases of carrots. Pp. 127-130, NYS Veg. Conf. Proc., Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2001. Results of nematode research and cover crops use review. Pp. 156-160, NYS Veg. Conf. Proc., Cornell Coop. Ext., Ithaca, NY.

Abawi, G. S., J. W. Ludwig, and J. Carroll. 2001. Cover crops as management tools for root diseases and soil health. Pp. 14 – 15. Great Lakes Expo, MSU Extension, E. Lansig, MI.

Abawi, G. S., J. w. Ludwig, J. E. Carroll, and T. L. Widmer. 2001. Management of leaf blight diseases and root-knot nematode on carrots in New York. Pp. 66 – 67. Great Lakes Expo, MSU Extension, E. Lansig, MI.

Abawi, G. S., Ludwig, J. w., and Widmer, T. L. 2000. Root-knot nematode and control options for carrots. NYS Veg. Conf. Proc., pp 53-56, Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2000. Onion nematode research results, 1999: Statewide survey, varieties and Vydate. NYS Veg. Conf. Proc., pp 151-154, Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2000. Bean root rot management results, 1999: Varieties, seed treatments, cover crops, and composts. NYS Veg. Conf. Proc., pp. 36-39, Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and Ludwig, J. W. 2000. Pocket rot disease of beets and its management. NYS Veg. Conf.Proc., pp. 47-50, Cornell Cooperative Extension, Ithaca, NY.

Abawi, G. S., and T. L. Widmer. 2000. Tolerance of carrot cultivars to fungal leaf blight diseases and its use as a major component of the recommended IPM program. NYS IPM Publication #126. Pp. 7-12.

Stivers, L. J., D. C. Brainard, G. S. Abawi, and D. W. Wolfe. 1999.  Cover crops for Vegetable Production in the northeast. A Cornell Cooperative Extension Publication, Information Bulletin 244, Cornell University, Ithaca, NY. 8 pp.

Abawi, G., J. Ludwig, and J. Bossard. 1999. Critical role of production practices in the management of root rots on snap beans. Proc. for the Vegetable Program, pp 11-12, Mid-Atlantic Fruit and Vegetable Convention, Jan. 26-28, 1999, PAVGA, RR1, Box 947, Richfield, PA.

Abawi, G. S. 1999. Survey and management of nematodes on onions. Proc. NYS Vegetable Conference, pp. 138 - 140, NYSVGS, Box 4256, Ithaca, NY.

Abawi, G., J. Ludwig, and J. Bossard. 1999. Root rot research, 1998: Varieties, cultural practices, and seed treatments. NYS Vegetable Conference, pp. 38 - 42, NYSVGA, Box 4256, Ithaca, NY.

Abawi, G.S. 1998. Snap bean rotations, cover crops and root rot management. Proc. NYS Vegetable Conference, Cornell Cooperative Extension, Ithaca, NY. 2pp.

Viaene, N.M.M., T. Widmer, and G.S. Abawi. 1998. Suppression of nematodes by a green manure of sudangrass. Proc. NYS Vegetable Conference, Cornell Cooperative Extension, Ithaca, NY. 2 pp.

Wolfe, D. W., G. S. Abawi, H. van Es, L. Stivers, L. Pedersen, and D. Riggs. 1998. Management strategies for improved soil quality with emphasis on soil compaction: Final Report. Department of Fruit and Vegetable Sciences Report No. 72. Cornell University, Ithaca, NY. 23 pp.

Abawi, G. S. 1998. Demonstration of an effective IPM program for leaf blight diseases of carrots. NYS IPM Publication #125, pp. 1-7, Cornell Cooperative Extension, CU, Ithaca, NY.

Abawi, G. S., J. Ludwig, and J. Bossard. 1998. Performance of snap bean cultivars in root rot and clean soils. NYS IPM Publication #125, pp 74-75, Cornell Cooperative Extension, CU, Ithaca, NY.

Abawi, G. S., J. Ludwig, and J. Bossard. 1998. Impact of cover crops, compost, and other cultural practices on snap bean root rots and their damage. NYS IPM Publication #125, pp. 77 - 82, Cornell Cooperative Extension, CU, Ithaca, NY.

Widmer, T. L., and G. S. Abawi. 1998. Factors that induce forking in carrots. NYS IPM Publication #125, pp. 8 - 10, Cornell Cooperative Extension, CU, Ithaca, NY.

Olaya, G., and Abawi, G. S. 1996. Influence of water potential on growth, survival, and infection of beans by Macrophomina phaseolina. BIC 39: 289-299.

France, R. A., and Abawi, G. S. 1995. Disease reactions of sixteen bean genotypes to Fusarium wilt and root-knot nematode. BIC 38:131-132.

Abawi, G. S. 1995. Nematode control options on onions. NYS Vegetable Conf. Proc., 4 pp.

Abawi, G. S., and Capron. 1995. Timing of foliar sprays of Rovral for control of pocket rot of table beets, 1993. Fungicide and Nematicide Tests, APS 50:97.

Abawi, G. S., and Taylor, A. G. 1995. Comparison of slurry and film coating techniques in applying fungicide treatments to bean seeds, 1994. Fungicide and Nematicide Tests, APS 50:287.

Olaya, G., Abawi, G. S., and Weeden, N. F. 1995. Genetic basis of resistance to Macrophomina phaseolina in Phaseolus vulgaris line BAT-477. BIC 39: 55-56.

Viaene, N. M. M., and Abawi, G. S. 1995. Usefulness of sudangrass in nematode control. Cornell Cooperative Extension-Vegetable Notes, June 9, pp. 18-20.

Abawi, G. S. 1996. Root disease of beans. Proc. NYS Vegetable Conference, Cornell Cooperative Extension. pp. B 11-14.

France, R. A., and G. S. Abawi. 1995. Disease reactions of sixteen bean genotypes to Fusarium wilt and root-knot pathogens. Bean Improvement Cooperative (BIC) 38: 131-132.

Mai, W. F. and Abawi, G. S. 1994. Rotylenchulus disease of beans. Plant Disease Diagnostic sheets, APS. (4 pages and a plate).

Mai, W. F. and Abawi, G. S. 1994. Belonolaimus disease of beans. Plant Disease Diagnostic sheets, APS. (3 pages and a plate).

Abawi, G. S. 1994. How cover crops reduce root rot on snap beans and peas. NYS Vegetable Conf. Proc., pp 170-180.

Abawi, G. S. 1993. Root-knot Nematode on Onions: Resistance, Damage Threshold Density, Nematicides, and Cover Crops. NYS. Veg. Conf. Proc., pp 164-165.

Dillard, H. R. and Abawi, G. S. 1993. Soybean, Dry and Snap Bean Growers: Be Alert for Soybean Cyst Nematode. Agriculture and Consumer News Service, Cornell Cooperative Extension, Ithaca, NY. 3 pp.

Abawi, G. S. 1993. Book Review: Nematode Interactions; M. W. Khan, ed., Chapman & Hall, New York, 1993. 377 pp.

Abawi, G. S. 1993. Bean Root Rot Control: 1992 results of fungicide treatments and cover crops. NYS Veg. Conf. Proc. pp 104-108.

Abawi, G. S. 1993. Root-knot Nematode on Onions: Resistance, Damage Threshold Density, Nematicides, and Cover Crops. NYS Veg. Conf. Proc. pp 164-165.

Abawi, G. S. and Crosier, D. C. 1993. Influence of fungicide soil treatments on stand, yield, and root rot severity of beans, 1992: Fungicide and Nematicide Tests 48: 96.

Abawi, G. S. and Crosier, D. C. 1993. Effect of fungicide seed treatments on stand, yield, and root rot severity of beans, 1992. Fungicide and Nematicide Tests 48: 297.

Abawi, G. S. 1992. Control of root rot diseases of beans: 1991 results. Proc. N.Y.S. Veg. Res. Conference, pp. 24-25.

Abawi, G. S. 1992. Effects of planting density on seedling establishment, root rot severity, and yield of beans. Proc. N.Y.S. Veg. Res. Conference, pp. 18-20.

Abawi, G. S. 1992. Field evaluation of Apron as an additional fungicide seed treatment for peas. Proc. N.Y.S. Veg. Res. Conference, pp. 26-27.

Abawi, G. S., and Crosier, D. C. 1992. Influence of reduced tillage practices on root rot severity and yield of snap beans, 1991. Biological and Cultural Tests 7:9.

Abawi, G. S., Martella, D., Masamba, H., and Mukunya, D. 1992. External review report: CIAT/Eastern Africa Bean Research Network. USAID Office, Nairobi, Kenya. 51 pp.

Abawi, G. S. 1992. Influence of selected fungicide soil treatments on stand establishment, root rot severity and yield of snap beans. Ann. Report of the BIC 35: 120-121.

Abawi, G. S. 1991. Effect of tillage practices on root rot severity and yield of snap beans. Ann. Report of Bean Improvement Cooperative 34:56-57.

Abawi, G. S. 1991. Effects of root-knot nematodes on onions. Proc. N.Y.S. Veg. Res. Conference, pp. 150-151.

Abawi, G. S. 1991. Integrated management of northern root-knot nematode on lettuce and onion grown on organic soils. A proposal submitted to the NE-IPM Competitive Grants Program. 15 p

Abawi, G. S. 1991. Root diseases of peas. Proc. N.Y.S. Veg. Res. Conference, pp. 14-16.

Abawi, G. S., Crosier, D. C. 1991. Evaluation of selected fungicide seed treatments for the control of seed and seedling diseases of beans incited by Rhizoctonia, Fusarium and Thielaviopsis, 990. Fungicide and Nematicide Tests 46:272.

Abawi, G. S., and Mullin, B. A. 1991. Effect of pre-plant application of ClandoSan on lettuce yield and severity of root galling, 1990. Biological and Cultural Tests 6:13.

Abawi, G. S., Kelly, J. D., and Acosta-Gallegos, J.A. 1991. Diagnosis, impact, and management of root rot diseases of beans in the Altiplano of Mexico: A case study. A preproposal submitted to the Bean/Cowpea CRSP Management Office. 4 pp.

Abawi, G. S. 1990. Final consultancy report on management of diseases in production systems. ICA/CIID, Bogota, Colombia. 8 pp.

Abawi, G. S., and Crosier, D. C. 1990. Control of Rhizoctonia incited seed and seedling deseases on beans with selected fungicide seed treatments, 1989. Fungicide and Nematicide Tests 45:229.

Abawi, G. S., and Crosier, D. C. 1990. Control of seed and seedling diseases of table beets with fungicide seed treatments in greenhouse tests, 1989. Fungicide and Nematicide Tests 45:231.

Abawi, G. S., and Crosier, D. C. 1990. Effects of soil treatment with selected fungicides on seedling establishment, rot development, and yield of table beets, 1989. Fungicide and Nematicide Tests 45:98.

Abawi, G. S., and Schaefers, G. A. 1990. Integrated pest management short-course. Submitted by IAP/Cornell University to USDA/OICD. 18 pp.

Abawi, G. S., and Weeden, N. F. 1990. Bean improvement and host/pathogen co-adaptation in Malawri. A proposal submitted by IAP/Cornell University to the Bean/Cowpea CRSP program. 16 pp.

Abawi, G. S., Young, D. H., and Robinson, R. W. 1990. Management strategies for the northern root-knot nematodes (Meloidogyne hapla) on lettuce. Proc. N.Y.S. Pest Management Conf., 2 pp.

Abawi, G. S. 1989. Cultural and chemical practices for bean root rot management. New York State Veg. Conf., pp 5-6.

Abawi, G. S. 1989. Management of plant diseases in production systems in Colombia. Second consultancy report submitted to ICA and IICA offices in Bogota, Colombia. 25 pp.

Abawi, G. S. and Crosier, D. C. 1989. Comparing the efficacy of fungicide seed treatments for the control of bean root rots under greenhouse conditions, 1988. Fungicide and Nematicide Tests 44:201-202.

Abawi, G. S. and Crosier, D. C. 1989. Effect of an in-furrow application of fungicides on bean root rot incidence and severity, 1988. Fungicide and Nematicide Tests 44:96.

Abawi, G. S. and Crosier, D. C. 1989. Efficacy of fungicide seed treatments for the control of beet root rot under greenhouse conditions, 1988. Fungicide and Nematicide Tests 44:203-204.

Abawi, G. S. and Crosier, D. C. 1989. Reduction of beet root rot severity with foliar application of Monceren , 1988. Fungicide and Nematicide Tests 44:98.

Abawi, G. S., Lepiz, R. and Minor, H. C. 1989. External Review Report - Grain and Annual Oil Seed Crops Program of ICA, Colombia. Report submitted to IICA office in Bogota, Colombia. 60 pp.

Abawi, G. S. 1988. Management of soil fungal diseases in multiple production systems in Colombia. First Consultancy Report submitted to IICA Office in Colombia. 37 pp.

Abawi, G. S., and Crosier, D. C. 1988. Field testing of fungicides as seed and soil treatments for the control of bean root rots, 1987. 1988. Fungicide and Nematicide Tests 43:104.

Abawi, G. S., and Crosier, D. C. 1988. Greenhouse evaluation of fungicides as seed and soil treatments for the control of root rot of table beets, 1987. Fungicide and Nematicide Tests 43:106-107.

Abawi, G. S., and Crosier, D. C. 1988. Seed and soil treatments with fungicides for the control of root rots of beans under greenhouse conditions, 1987. Fungicide and Nematicide Tests 43:100-101.

Abawi, G. S. 1988. Beet root rot - Results of 1987. New York State Veg. Conf., p 26.

Abawi, G. S. 1988. Bean root rot control - Results of 1987. New York State Veg. Conf., p 56.

Abawi, G. S. 1987. Beet root rot: chemical control and germplasm evaluation. New York State Proc. Veg. Conf., pp. 67-71.

Abawi, G. S. 1987. Bean root rot control: Results of 1986. New York State Proc. Veg. Conf., pp. 23-29.

Abawi, G. S., and Cobb, A. C. 1987. Field evaluation of selected fungicides as soil treatments for the control of Rhizoctonia on table beets, 1986. Fungicide and Nematicide Tests 42:59.

Abawi, G. S., and Crosier, D. C. 1987. Effect of granular and liquid formulations of Ridomil on seedling establishment and control of Pythium root rot of beans, 1986. Fungicide and Nematicide Tests 42:134-135.

Abbott, E. A., Woods, J. L., and Abawi, G. S. 1987. Preliminary design for an agricultural communications project in Jordan. Site-visit report for the CTTA/AED/USAID. 66 pp.

Abawi, G. S., and Crosier, D. C. 1986. Field evaluation of selected fungicides for control of bean root rot, 1985. Fungicide and Nematicide Tests 41:126.

Abawi, G. S., and Cobb, A. C. 1986. Evaluation of Ridomil as seed and soil treatments for the control of beet root rot, 1985. Fungicide and Nematicide Tests 41:126-127.

Abawi, G. S., and Cobb, A. C. 1986. Effectiveness of fungicides as seed or soil treatments for beet root rot control under greenhouse conditions, 1985. Fungicide and Nematicide Tests 41:127.

Abawi, G. S. and Pastor-Corrales, M. A. 1986. Root diseases of beans and their control strategies. Ojas de Frijol, 8(2):1-4, CIAT, Cali Colombia.

Cobb, A. C., Crosier, D. C., and Abawi, G. S. 1986. Bean root rot: Results of 1985. New York State Proc. Veg. Conf., pp. 30-35.

Crosier, D. C., Cobb, A. C., and Abawi, G. S. 1986. Beet root rot: Results of 1985. New York State Proc. Veg. Conf., pp. 78-81.

Dillard, H. R., and Abawi, G. S. 1986. Field evaluation of selected fungicides for control of pea root rot, 1985. Fungicide and Nematicide Tests 41:133.

Pastor-Corrales, M. A., and Abawi, G. S. 1986. Production of clean bean seed at CIAT-Palmira: High input program. CIAT mimeograph, Bean Pathology Program, Cali, Colombia. 10 pp.

Abawi, G. S., and Crosier, D. C. 1986. Greenhouse evaluation of fungicides as seed and soil treatments for bean root rot control, 1985. Fungicide and Nematicide Tests 41:125.

Abawi, G. S. 1985. Bean root rot update: Results of 1984. New York State Proc. Veg. Conf., pp. 25-29.

Abawi, G. S., and Cobb, A. C. 1985. Effectiveness of fungicides as seed treatments for bean root rot control under greenhouse conditions, 1983. Fungicide and Nematicide Tests 40:169.

Abawi, G. S., and Cobb, A. C. 1985. Evaluation of Ridomil as seed and soil treatments for the control of beet root rot, 1984. Fungicide and Nematicide Tests 40:170.

Abawi, G. S., and Crosier, D. C. 1985. Control of lesion neamtodes on snap beans with fenamiphos, 1984. Fungicide and Nematicide Tests 40:94.

Abawi, G. S. 1984. Bean root rot control: Ridging and seed treatment. New York State Proc. Veg. Conf., pp. 7-12.

Abawi, G. S. 1984. Controlling root rot of beets: Resistance, seed treatments and herbicides' effect. New York State Proc. Veg. Conf., pp. 44-47.

Abawi, G. S., and Cobb, A. C. 1984. Greenhouse evaluation of fungicides as seed treatments for bean root rot control, 1982. Fungicide and Nematicide Tests 39:59-60.

Abawi, G. S., and Cobb, A. C. 1984. Efficacy of fungicides as seed treatments for control of beet root rot, 1983. Fungicide and Nematicide Tests 39:63-65.

Abawi, G. S., and Crosier, D. C. 1984. Field evaluation of selected fungicides for control of bean root rot, 1983. Fungicide and Nematicide Tests 39:59.

Abawi, G. S., and Crosier, D. C. 1984. Efficacy of Oxamyl and Aldicarb against the lesion nematode on beans, 1982. Fungicide and Nematicide Tests 39:88.

Abawi, G. S., and Mai, W. F. 1984. Evaluation of Temik for the control of the sugar beet cyst nematode on cabbage, 1981. Fungicide and Nematicide Tests 39:89.

Abawi, G. S. 1983. Effect of lime sources on club root. New York State Proc. Veg. Conf., p. 77.

Abawi, G. S. 1982. Chemical and cultural control of bean root rot. New York State Proc. Veg. Conf., pp. 17-27.

Abawi, G. S. 1982. Beet root rot control strategies. New York State Proc. Veg. Conf., pp. 51-58.

Abawi, G. S., Cobb, A. C., and Crosier, D. C. 1982. Effect of seed treatment with fungicides on seedling establishment, yield and root rot development, 1981. Fungicide and Nematicide Tests 37:163.

Abawi, G. S., Cobb, A. C., and Crosier, D. C. 1982. Soil treatment with granular nematicides for the control of lesion nematodes on beans, 1981. Fungicide and Nematicide Tests 37:188.

Abawi, G. S., Crosier, D. C., and Cobb, A. C. 1982. Influence of soil fumigation on root rot incidence and yield of beans on raised ridges, 1981. Fungicide and Nematicide Tests 37:188.

Abawi, G. S. 1983. Bean root rot - Results of 1982. New York State Proc. Veg. Conf., p. 31.

Abawi, G. S. 1983. Beet root rot - Results of 1982. New York State Proc. Veg. Conf., p. 63.

Abawi, G. S. 1981. Beet root rot and control strategies. New York State Proc. Veg. Conf., pp. 29-33.

Abawi, G. S. 1981. Bean root rot. New York State Proc. Veg. Conf., pp. 61-66.

Abawi, G. S., and Ameele, A. C. 1981. Effect of soil treatment with Aldicarb on bean yield and population of the lesion nematode, 1980. Fungicide and Nematicide Tests 36:179.

Abawi, G. S., and Cobb, A. C. 1981. Effect of selected fungicides as seed and soil treatments on bean yield and root-rot severity, 1980. Fungicide and Nematicide Tests 36:155.

Abawi, G. S., and Crosier, D. C. 1981. Effectiveness of Previcur as a seed treatment against Pythium root rot of beans and beets under greenhouse conditions, 1980. Fungicide and Nematicide Tests 36:156.

Abawi, G. S., and Edds, K. K. 1981. Effect of soil fumigation with methyl bromide and Vorlex on bean yield and root-rot severity, 1980. Fungicide and Nematicide Tests 36:51.

Abawi, G. S. 1980. Bean root rot control. New York State Proc. Veg. Conf., pp. 13-22.

Abawi, G. S., Schaefers, G. A., and Wheelock, G. 1980. Planning Study for Integrated Crop Protection Research in Egypt, Sudan, and Tunisia. A Site-Visit Team Report, US-AID/International Program in Agriculture, Purdue University. 86 pp.

Crosier, D. C., Keplinger, J. A., and Abawi, G. S. 1980. Evaluation of selected fungicides for the control of bean root rot, 1979. Fungicide and Nematicide Tests 35:55-56.

Miller, S. G., Cobb, A. C., and Abawi, G. S. 1980. Effect of seed treatment with fungicides on bean yield and root rot severity, 1979. Fungicide and Nematicide Tests 35:177.

Shurtleff, M. C., Cline, M. N., Abawi, G. S., and Jacobsen, B. J. 1980. Sclerotinia disease, white mold or watery soft rot. Report on Plant Diseases No. 1008. Dept. Plant Path., Univ. Illinois, Urbana. 9 pp.

Keplinger, J. A., Mai, W. F., and Abawi, G. S. 1979. Efficacy of nonvolatile nematicides against the sugar beet-cyst nematode on cabbage. Fungicide and Nematicide Tests: Results of 1978. Am. Phytopathol. Soc. 34:117-118.

Mai, W. F., and Abawi, G. S. 1979. The sugar-beet cyst nematode, an important pest of red beets and cabbage. Vegetable Crops Fact Sheet, N.Y. State Coop. Ext., Cornell Univ. 750.10, 2 pp.

Miller, S. G., Crosier, D. C., and Abawi, G. S. 1979. Effect of soil treatment with fungicides on bean yield and root-rot severity, 1978. Fungicide and Nematicide Tests: Results of 1978. Am. Phytopathol. Soc. 34:53-54.

Abawi, G. S. 1979. Root rot and sugar beet cyst nematode control strategies on beets. New York State Proc. Veg. Conf., pp. 11-13.

Abawi, G. S. 1979. Countering bean root rot with cultural and chemical practices. New York State Proc. Veg. Conf., pp. 40-42.

Cobb, A. C., Grad, D., Rutkowsk, E. W., and Abawi, G. S. 1979. Effect of planter box treatment with a combination of fungicides on bean yield and root-rot development. Fungicide and Nematicide Tests: Results of 1978. Am. Phytopathol. Soc. 34:52.

Abawi, G. S. 1978. Major diseases of beets in New York. New York State Proc. Veg. Conf., pp. 5-7.

Abawi, G. S. 1978. Bean root rot and soil compaction. New York State Proc. Veg. Conf., pp. 35-36.

Abawi, G. S., Crosier, D. C., and Keplinger, J. A. 1978. Greenhouse and field evaluation of selected pesticides for the control of bean root rot, 1977. Fungicide and Nematicide Tests: Results of 1977. Am. Phytopathol. Soc. 33:59-60.

Abawi, G. S., Hunter, J. E., and Cobb, A. C. 1978. Greenhouse and field tests with fungicides for the control of root rot of beets, 1977. Fungicide and Nematicide Tests: Results of 1977. Am. Phytopathol. Soc. 33:63.

Abawi, G. S., and Papavizas, G. C. 1978. Evaluation of seed treatment with combination of fungicides on seedling establishment and root-rot control in New York, 1975 and 1976. Fungicide and Nematicide Tests: Results of 1977. Am. Phytopathol. Soc. 33:157-158.

Abawi, G. S. 1977. Review of present and future research on control of beet root rot. New York State Proc. Veg. Conf., pp. 12-13.

Abawi, G. S. 1977. Reducing the severity of bean root rot. New York State Proc. Veg. Conf., pp. 40-41.

Abawi, G. S. 1977. Epidemiology and control of Sclerotinia sclerotiorum on snap beans in New York. Report of the BIC-NDB Research Association Conference, Emeryville, Calif., 1977. pp. 17-18.

Abawi, G. S., and Crosier, D. C. 1977. Evaluation of Terraclor Super-X for the control of bean root rot in New York. Fungicide and Nematicide Tests 1976. Am. Phytopathol. Soc. 32:70-71.

Abawi, G. S., and Keplinger, J. A. 1977. Control of the lesion nematode and sugar beet-cyst nematodes on cabbage with nematicides. Fungicide and Nematicide Tests 1976.

Mai, W. F., and Abawi, G. S. 1977. Sugar beet cyst nematode research. New York State Proc. Veg. Conf., pp. 9-11.

Mai, W. F., and Abawi, G. S. 1977. Nematode problems of cabbage. New York State Proc. Veg. Conf. p. 32.

Marx, G. A., and Abawi, G. S. 1977. Breeding for beet root rot resistance. New York State Proc. Veg. Conf., pp. 14.

Abawi, G. S. 1976. Chemical control of white mold (Whetzelinia sclerotiorum) on beans in New York. Annu. Rept. Bean Impr. Coop. 19:12-13.

Hunter, J. E., and Abawi, G. S. 1976. Review of research on white mold and root rot of beans. New York State Proc. Veg. Conf., pp. 32-41.

Hunter, J. E., and Abawi, G. S. 1976. Review of disease research on beets. New York State Proc. Veg. Conf., pp. 57-59.

Abawi, G. S. 1975. Beet root rot complex: screening for resistance and chemical control experiments. New York State Proc. Veg. Conf., pp. 47-48.

Abawi, G. S. 1975. Clubroot of cabbage and its control. New York State Proc. Veg. Conf., pp. 80-81.

Abawi, G. S., and Becker, R. F. 1975. Leaf spot of red beets and its control. New York State Proc. Veg. Conf., pp. 56-58.

Abawi, G. S., and Hunter, J. E. 1975. White mold chemical control update. New York State Proc. Veg. Conf., pp. 37-38.

Abawi, G. S., and Keplinger, J. A. 1975. Foliar applications of Nemacur and Vydate for the control of Pratylenchus penetrans and Heterodera schachtii on cabbage. Fungicide and Nematicide Tests 1974. Am. Phytopathol. Soc. 30:161-162.

Becker, R. F., and Abawi, G. S. 1975. Control of Cercospora leaf spot of table beets. Fungicide and Nematicide Tests 1974. Am. Phytopathol. Soc. 30:62.

Mai, W. F., and Abawi, G. S. 1975. Results of rotation experiments for control of the sugar-beet cyst nematode. New York State Proc. Veg. Conf., pp. 49-53.

Abawi, G. S., and Mai, W. F. 1974. Sugar-beet cyst nematode progress report. New York State Proc. Veg. Conf., pp. 51-52.

Abawi, G. S., Vittum, M. T., Becker, R. F., and Peck, N. H. 1974. Effect of fungicides and fertilizers on the incidence and severity of root rot of table beets, 1973. New York State Proc. Veg. Conf., pp. 56-61.

Abawi, G. S. 1974. Root rot of peas. New York State Proc. Veg. Conf., pp. 11.

Abawi, G. S., and Hunter, J. E. 1974. 1973 Bean disease research summary. New York State Proc. Veg. Conf., pp. 36-42.

Abawi, G. S., and Crosier, D. C. 1973. Control of white and grey molds of beans. Fungicide and Nematicide Tests 1972. Am. Phytopathol. Soc. 28:63.

Abawi, G. S., and Crosier, D. C. 1973. Bean root-rot control. Fungicide and Nematicide Tests 1972. Am. Phytopathol. Soc. 28:63.

Abawi, G. S. 1973. Beet root rot complex. New York State Proc. Veg. Conf., pp. 19-20.

Abawi, G. S., and Crosier, D. C. 1973. Beet root-rot control. Fungicide and Nematicide Tests 1972. Am. Phytopathol. Soc. 28:66.

Abawi, G. S., and Hunter, J. E. 1973. White mold research program in New York. Report of the BIC-NDB Research Association Conference, Rochester, New York. p. 1.

Abawi, G. S., Vittum, M. T., Becker, R. F., and Peck, N. H. 1973. Fungicide-fertilizer experiments with beets in 1972. New York State Proc. Veg. Conf., pp. 21-25.

Abawi, G. S. 1973. Beet root-rot complex: 1972 chemical control experiments. New York State Proc. Veg. Conf., p. 26.

Abawi, G. S. 1973. 1972 Bean disease control trials. New York State Proc. Veg. Conf., pp. 1-2.

Mai, W. F., and Abawi, G. S. 1972. Control of the sugar-beet nematode in New York State. New York State Proc. Veg. Conf., pp. 24-26.

Abstracts

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2006. Relating soil health management practices to root health and nematode population. Phytopathology 96 (Suppl.): 178 (Abstr.).

Pokharel, R. R., G. S. Abawi, J. M. Duxbury, J. Brito, and C. D. Smart. 2006. Variability of isolates of Meloidogyne graminicola obtained from diverse geographic regions. Phytopathology 96 (Suppl.): 182 (Abstr.).

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2006. Reproduction of Meloidogyne hapla on potato cultivars and its management with soil and foliar Vydate applications. Phytopathology 96 (Suppl.): 176 (Abstr.).

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2006. Bioassay hosts for visual assessment of soil infestations with Praylenchus penetrans. Phyopathology 96 (Suppl.): 44 (Abstr.).

Gugino, B. K., O. J. Idowu, G. S. Abawi, H. M. Van Es, and D. W. Wolfe. 2006. An interdisciplinary approach to soil health and its impact on vegetable root disease management. Phytopahology 96 (Suppl.): 44 (Abstr.).

Moebius, B. N., H. Van Es, G. S. Abawi, D. W. Wolfe, O. J. Idowu, J. E. Thies, D. J. Clune, R. R. Schindelbeck, A. V. Bilgili, W. D. Hively, and B. K. Gugino. 2006. Indicaors of soil health: rapid assessment of soil quality using laboratory procedures and VNIR reflectance spectroscopy. To be presented at the World Congress of Soil Science, July 2006. 

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2006. Expanding the IPM toolbox: visual soil bioassays for assessing root health and soil nematode infestations. Fifth National IPM Symposium, April 4-6, 2006, St. Louis.

Thies, J., Abawi, G., Wolfe, D., Idowu, J., van Es, H., Clune, D., Gugino, B., Moebius, B., Schindelbeck, B., and Rao, R. 2006. Integrated measures for assessing soil health in agricultural production systems. 14 International Conf. On Environmental Bioindicators and the 2nd Annu. Meeting of the Inter. Soc. For Environmental Bioindciaors, April 24-26, 2006.

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2005. Damage and management of the northern root-knot nematode on carrots in New York. Phytoprotection 86(2):138.

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2005. Updating the development of an IPM program for carrot leaf blight management in New York. Phytoprotecion 86(2):138-139.

Gugino, B. K., and G. S. Abawi. 2005. Critical role of crop rotation in the management of leaf blight diseases of carrots in New York. Phytopathology 95: S169.

Gugino, B. K., and G. S. Abawi. 2005. Field reaction of carrot cultivars to Alternaria and Cercospora leaf blights of carrot in New York. Phytopathology 95: S169.

Gugino, B. K., G. S. Abawi, and J. W. Ludwig. 2005. Prevalence of foliar infections caused by Rhizoctonia solani and its telemorph on vegetables in New York. Phytopathology 95: S37.

Gugino, B. K., J. W. Ludwig, and G. S. Abawi. 2005. Relating soil health management praqcices to root health and nemaode population. Phytopathology 96 (Suppl.): (Abstr., in-press; presened at the NED-APS meeing, Oct. 5-7, 2005).

Pokharel, R. R., G. S. Abawi, J. M. Duxbury, and C. D. Smart. 2005. Reproductive fitness of isolates of Meloidogyne graminicola from Nepal on selected rice and wheat varieties.  J. of Nematology 37: 388 (Abstr.).

Pokharel, R. R., G. S. Abawi, J. M. Duxbury, J. Brito, and C. D. Smart. 2005. Variability of isolates of Meloidogyne graminicola obtained from diverse geographic regions. Phytopathology 96 (Suppl.): (Abstr., in-press; presented at the NED-APS meeing, Oct. 5-7, 2005).

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2005. Visual assessment of root-knot infestations of vegetable soils and determining the need for control. J. of Nematology 37: 354 (Abstr.).

Abawi, G. S., J. W. Ludwig, and B. K. Gugino. 2005. Reproduction of Meloidogyne hapla on potato cultivars and its management with soil and foliar Vydate applications. Phytopathology 96 (Suppl.): (Abstr., in-press; presented at the NED-APS meeting, Oct. 5-7, 2005).

Idowu, O. J., G. S. Abawi, H. M. Van Es, D. W. Wolfe, R. R. Schindelbeck, and B. N. Moebius. 2005.  Investigation into soil quality indicators for New York State. Presented at ASA-CSSA-SSSA Meeting, Salt Lake City, UT, November 7, 2005.

Abawi, G. S., J. w. Ludwig, and C. H. Pedzoldt. 2004. Assessing root health by a soil bioassay with beans as an indicator of soil health. Phytopathology 94 (Suppl.): S1.

Pokharel, R. R., G. S. Abawi, J. M. Duxbury, and C. Smart. 2004. Characterization of root-knot nematodes recovered from rice-wheat fields in Nepal. J. of Nematology 36: 314-342 (Abstr.).

Pokharel, R. R., G. S. Abawi, J. M. Duxbury, and C. smart. 2004. Reaction of commonly grown rice and wheat varieties in Nepal to Meloidogyne graminicola. J. of Nematology 36: 342 (Abstr.).

Gugino, B. K., and G. S. Abawi. 2004. Field reaction of carrot cultivars to Alternaria and Cercospora leaf blights of carrots in New York. Phytopathology 95: (Presented in Oct. 2004, In press).

Gugino, B. K., and G. S. Abawi. 2004. Critical role of crop rotation in the management of leaf blight diseases of carrots in New york. Phytopathology 95: (presented in Oct. 2004, In press).

Abawi, G. S., W. M. Brown, K. F. Cardwell, N. W. Schaad, J. R. Steadman, and R. S. Zeigler. 2003. Office of International Programs (OIP) of the American Phytopathological Society (APS). Pp. 187, Proc. Of the ICPP, Christchurch, NZ, Feb. 2-7, 2003.

Abawi, G. S., J. W. Ludwig, C. R. MacNeil, and J. J. Vanderheide. 2003. Damage and management of the northern root-knot nematode on onions in New York State. Pp. 251, Proc. Of the ICPP, Christchurch, NZ, Feb. 2-7, 2003.

Abawi, G.S., J. W. Ludwig, H. V. Morton, and D. Hofer. 2003. Efficacy of Abamectin as a seed treatment against  Meloidogyne hapla and Pratylenchus penetrans. J. of Nematology 35 (3): 321-322 (Abstr.).

Carroll, J. E., P. Chen, and G. S. Abawi. 2003. Demonstrating the effectiveness of an IPM program for the management of leaf blight diseases of carrots in New York.  Phytopathology 93 (Suppl.): 14 (Absrt.).

Abawi, G. S., and J. W. Ludwig. 2003. Host efficiency of selected soybeans to Meloidogyne hapla and Pratylenchus penetrans. J. of Nematology 35 (3): 321 (Abstr.).

Abawi, G. S., and J. W. Ludwig. 2003. Evaluation of onion germplasm for resistance to Meloigogyne hapla. J. of Nematology 35 (3): 321 (Abstr.).

Troccoli, A., G. S. Abawi, J. W. Ludwig, and F. Lamberti. 2003. Morpho-anatomical notes on populations of Pratylenchus penetrans and P. crenatus from New York State (USA). J. of Nematology 35 (3): 367-368 (Abstr.).

Banu, S. P., M. A. Shaheed, A. A. Siddique, M. A. Nahar, H. U. Ahmed, M. H. Devare, G. S. Abawi, J. M. Duxbury, J. G. Lauren, and C. A. Meisner. 2002. Soil Biological Health: A major constraint in the rice-wheat cropping system. Proceedings of the Indian Agronomy Society Meeting, New Delhi, India.

Padgham, J. L., G. S. Abawi, J. M. Duxbury, and M. A. Mazid. 2002. Impact of Meloidogyne graminicola on yield of lowland rice in Bangladesh. Suppl. Phytopathology 92:S62.

Padgham, J. L., Duxbury, J. M., Abawi, G. S., Lauren, J. G., and Parvin, S. 2000. Diagnosing poor crop performance using solar-oven soil pasteurization. Presented at the Agronomy Society of America meetings in Minneapolis, MN., Nov. 7-11, 2000.

Abawi, G. S., and Ludwig, J. W. 2000. Plant – parasitic nematodes associated with onion roots and soils in New York State. J. of Nematology 32: 414 (Abstr.).

Mitkowski, N. A., and Abawi, G. S. 2000. Pathogenicity and virulence of Meloidogyne hapla populations from vegetables in New York State. J. of Nematology 32: 446 (Abstr.).

Widmer, T. L., and Abawi, G. S. 2000. Impact of organic matter management on plant-parasitic nematodes, their damage to host crops, and soil health. J. of Nematology 32: 471 (Abstr.).

Abawi, G. S., T. L. Widmer, and J. W. Ludwig. 1999. Effect of cultural practices on bean root rot and its management. Phytopathology (Suppl.) 89: S1 (Abstr.).

Abawi, G. S., T. L. Widmer, J. W. Ludwig, and N. A. Mitkowski. 1999. Biology and management of Meloidogyne hapla on carrots, onions, and lettuce in New York. J. of Nematology 31: 521 (Abstr.).

Mitkowski, N. A., G. S. Abawi, and N. F. Weeden. 1999. Assessment of genetic diversity of the northern root-knot nematode in New York State. Phytopathology (Suppl.) 89: S54.

Mitkowski, N. A., and G. S. Abawi. 1999. Establishment and reroductive potential of the northern root-knot nematode on multiple tissue culture systems. Phytopathology (Suppl.) 89: S54 (Abstr.).

Widmer, T. L., and G. S. Abawi. 1999. Concentration of cyanide evolution in various sudangrass cultivars correlated to suppression of Meloidogyne hapla. Phytopathology (Suppl.) 89: S84 (Abstr.).

Abawi, G.S., J.W. Ludwig, and J. Bossard. 1998. Method of application and cost-benefit of Vydate use against Meloidogyne hapla on carrots. J. of Nematology 30: 485 (Abstr.)..

Widmer, T.L., and G.S. Abawi. 1998. Marketable yield of carrots in Meloidogyne hapla-infested soils as affected by a green manure of sudangrass. J. of Nematology 30: 522-523 (Abstr.).

Widmer, T.L., and G.S. Abawi. 1998. Suprressive mechanism of sudangrass incorporated as a green manure against Meloidogyne hapla. Phytopathology 88 (Suppl.): 97 (Abstr.).

Parvin, S., A. Shaheed, G.S. Abawi, J.G. Lauren, J.M. Duxbury, and C.M. Meisner. 1998. Diagnosing soil constraints to rice-wheat productivity with solarization. p. 46. In: 1998 Annual Meeting Abstracts, American Society of Agronomy, Madison, WI.

Abawi, G S. 1998 Impact of soil management practices on nematodal and fungal soilborne pathogens of vegetable crops. Abstract of a presentation at the symposium, "Soil Health: Managing the Biological Component of Soil Quality," 1998 Annual Meeting of the ESA/APS, Las Vegas, NV.

Abawi, G.S., J.W. Ludwig, and L. Fusco. 1997. Symptoms and damage of the northern root-knot nematode on carrots in New York. Phytopathology 97 (Suppl.): 1 (Abstr.).

Pyndji, M., G.S. Abawi, and R. Buruchara. 1997. Use of green manures in suppressing root-knot severity and damage to beans in Uganda. Phytopathology 87 (Suppl.): 80 (Abstr.).

Abawi, G. S. and J. W. Ludwig. 1996. Host range of a tumorigenic strain of Erwinia herbicola from table beets. Phytopathology 86(No. 11, supplement): 3 (Abstr.).

Chen, J., G. S. Abawi. 1996. A simple method for obtaining large quantities of second-stage juveniles of root-knot nematodes. Phtopathology 86:(No. 11, supplement): 98 (Abstr.).

Chen, J., G. S. Abawi and B. M. Zuckerman. 1996. Effects of selected antagonists and soil ammendments on Meloidogyne hapla and its damage to lettuce. Phytopathology 86(No. 11, supplement): 23 (Abstr.).

Abawi, G. S., Olaya, G., and Ludwig, J. W. 1995. Occurrence of Thanatephorus cucumeris on snap beans in New York. Phytopathology 85:1554 (Abstr.).

Abawi, G. S., and Ludwig, J. W. 1995. Host efficiency of sixteen cover crops to the lesion nematode. Phytopathology 85: 1554 (Abstr.).

Jaffee, B. A., Abawi, G. S., Muldoon, A. E., and Westerdahl, B. B. 1995. Efficacy of pelletized hyphae of Hirsutella rhossiliensis against Heterodera schachtii in field microplots. J. of Nematology 27: (In Press).

Olaya, G., Abawi, G. S., and Weeden, N. F. 1995. RAPD markers and genetics of resistance to Macrophomina phaseolina in beans. Phytopathology 85:1135 (Abstr.).

Olaya, G., and Abawi, G. S. 1995. Influence of water potential on survival of Sclerotia and infection of beans by Macrophomina phaseolina. Phytopathology 85:1203 (Abstr.)

Viaene, N. M. M., and Abawi, G. S. 1995. Biological control of Meloidogyne hapla on lettuce grown in organic soil. Nematologica 41:352 (Abstr.).

Viaene, N. M. M., and Abawi, G. S. 1995. Management of Meloidogyne hapla on lettuce in organic soil with sudangrass as a cover crop. Phytopathology 85: 1561 (Abstr.).

Viaene, N. M. M., and Abawi, G. S. 1995. Nematopahagus fungi associated with Meloidogyne hapla in organic soils in New Yor. Phytopathology 85: 1561(Abstr.).

Viaene, N. M. M. and Abawi, G. S. 1994. Effect of cover crops on Meloidogyne hapla on lettuce grown in organic soil. Nematologica 41:352 (Abstr.).

Viaene, N. M. M. and Abawi, G. S. 1994. Effect of cover crops on Meloidogyne hapla on lettuce grown in organic soils. J. of Nematology 26:123 (Abstr.).

Olaya, G. and Abawi, G. S. 1994. Biological control of Rhizoctonia incited diseases of Table beets with binucleate Rhizoctonia isolates. Phytopathology 84:1091 (Abstr.).

Abawi, G. S. and Laird, P. D. 1994. Increasing occurence and damage of the northern root-knot nematode on onions in New York State. Phytopathology 84:1370 (Abstr.).

Viaene, N. M. M. and Abawi, G. S. 1993. Effect of initial population densities of Meloidogyne hapla on growth parameters of lettuce In organic soil. Phytopathology 83:248 (Abstr.)

Olaya, G. and Abawi, G. S. 1993. Characterization of isolates of Rhizoctonia solani and Rhizoctonia-like fungi causing pocket rot and root rot diseases on Table beets in New York State. Proc. ISPP (In press).

Olaya G. and Abawi, G. S. 1993. Effect of water potential on germination, growth, and sclerotial production of Macrophomina phaseolina. Phytopathology 83:1394 (Abstr.).

Olaya, G. and Abawi, G. S. 1993. Isolates of Rhizoctonia solani and Rhizoctonia-like fungi inciting pocket rot on Table beets in New York State. Proc. ISPP (In press).

Abawi, G. S. 1992. Influence of selected fungicide soil treatments on stand establishment, root rot severity and yield of snap beans. Ann. Report of the BIC. 35:120-121.

France, R. A., and Abawi, G. S. 1992. Interactions between Fusarium oxysporum f. sp. phaseoli and Meloidogyne incognita in resistant and susceptible bean lines to both pathogens. J. of Nematology 24:590 (Abstr.).

France, R. A., and Abawi, G. S. 1992. Reaction of bean lines to Meloidogyne incognita and Fusarium oxysporum f. sp. phaseoli. Phytopathology 82:243 (Abstr.).

Olaya, G., and Abawi, G. S. 1992. In-vitro sensitivity of Rhizoctonia solani isolates to fungicides and control of pocket rot of table beets with foliar sprays. Phytopathology 82:1069 (Abstr.).

Abawi, G. S. 1991. Effects of raised ridges on root rot severity and yield of beans. Phytopathology 81:690 (Abstr.).

Abawi, G. S., and Robinson, R. W. 1991. Reaction of selected lettuce germplasm to artificial inoculation by Meloidogyne hapla in the greenhouse. J. of Nematology 23:519 (Abstr.).

Cardenas-Alonso, M., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1991. Screening procedure and reaction of ten bean lines to web blight incited by Thanatephorus cucumeris in Colombia. Phytopathology 81:691 (Abstr.).

Mullin, B. A., and Abawi, G. S. 1991. Influence of elevated soil temperature on the expression of resistance to Meloidogyne incognita in selected lines of Phaseolus vulgaris. Phytopathology 81:694 (Abstr.).

Mullin, B. A., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1991. Field evaluation of bean germplasm for resistance to root-knot nematodes (Meloidogyne javanica and M. incognita). Phytopathology 81:694 (Abstr.).

Mullin, B. A., Abawi, G. S., Kornegay, J. L., and Pastor-Corrales, M. A. 1991. Inheritance and localization of resistance to Meloidogyne spp. in Phaseolus vulgaris. Phytopathology 81:123 (Abstr.).

Olaya, G., and Abawi, G. S. 1991. Occurrence of Thanatephorus cucumeris on table beets in New York State. Phytopathology 81:1186 (Abstr.).

Cardenas-Alonso, M., Abawi, G. S., and Pastor-Corrales, M. A. 1990. Population dynamics of Thanatephorus cucumeris on two bean varieties under mulching and ridging. Phytopathology 80:513.

Mullin, B. A., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1990. Species and distribution of root-knot nematodes associated with bean production regions in Colombia and Peru. Phytopathology 80:981 (Abstr.)

Mullin, B. A., Abawi, G. S., Pastor-Corrales, M. A., and Kornegay, J. L. 1990. Yield reduction of dry edible beans by root-knot nematodes in the Canca Valley, Colombia. Phytopathology 80:1041 (Abstr.).

Abawi, G.S., and Mai, W.F. 1988. Effect of Heterodera schachtii on maturity and yield of cabbage. Journal of Nematology 20:626 (Abstr.).

Cardenas-Alonso, M., Abawi, G. S., and Pastor-Corrales, M. A. 1988. Population dynamics of Thanatephorus cucumeris on two bean varieties under mulching and ridging. APS-Carribean Division Meeting, San Andres, Colombia, Sept. 14-17, 1988.

Mullin, B.A., Abawi, G.S., and Kornegay, J. 1988. Host suitability of bean germplasm to Meloidogyne incognita and M. hapla. Phytopathology 78:1566-1567 (Abstr.).

Abawi, G. S., and Mai, W. F. 1987. Effect of methylbromide, telone, and fenamiphos on densities of Heterodera schachtii and its damage to table beets. Journal of Nematology 19:509 (Abstr.).

Abawi, G.S., and Pastor-Corrales, M.A. 1986. Screening procedure and virulence of Macrophomina phaseolina to beans. Phytopathology 76: 1064 (Abstr.).

Abawi, G.S., and Pastor-Corrales, M.A. 1986. Seed transmission and effect of fungicide seed treatments against Macrophomina phaseolina in beans. Phytopathology 76: 1064 (Abstr.).

Pastor-Corrales, M.A., and Abawi, G.S. 1986. Evaluation of selected bean accesions for resistance to Macrophomina phaseolina. Phytopathology 76: 1087 (Abstr.).

Pastor-Corrales, M.A., and Abawi, G.S. 1986. Field and greenhouse reaction of bean germplasm to Rhizoctonia solani. Phytopathology 76: 1087 (Abstr.).

Abawi, G. S., and Mai, W. F. 1985. Cost-benefit analysis of controlling Heterodera schachtii on table beet with fenamiphos. J. Nematol. 17:489.

Abawi, G. S., and Mai, W. F. 1985. Effect of soil type and fumigation on the population of Heterodera schachtii and its damage to cabbage. J. Nematol. 17:489.

Abawi, G. S., and Mai, W. F. 1985. Effect of hosts and nonhosts grown in field microplots on population dynamics of Heterodera schachtii. (Abstracts, p. 1) Proc. 1st Intern. Congr. Nematology,

Abawi, G. S., and Cobb, A. C. 1984. Relating soil densities of Fusarium, Pythium, Rhizoctonia, and Thielaviopsis to disease severity and yield of snap beans in field microplots. Phytopathology 74:813 (Abstr.).

Abawi, G. S., and Cobb, A. C. 1984. Populations of Pratylenchus, Pythium, Rhizoctonia, and Thielaviopsis of 20 snap bean fields in New York. Phytopathology 74:846 (Abstr.).

Guelph, Canada, August 5-10, 1984. 169 pp. Abawi, G. S., and Mai, W. F. 1985. Population dynamics of Heterodera schachtii and its effect on growth parameters of cabbage grown in field microplots. (Abstracts, p. 1) Proc. 1st Intern. Congr. Nematology, Guelph, Canada, August 5-10, 1984. 169 pp.

Martin, S. B., Abawi, G. S., and Hoch, H. C. 1983. Importance of Pythium ultimum, Rhizoctonia solani, and Phoma betae in the etiology of diseases of table beet seedlings. Phytopathology 73:1344 (Abstr.).

Martin, S. B., Hoch, H. C., and Abawi, G. S. 1983. Comparison of methods to isolate and enumerate Laetisaria arvalis from soil. Phytopathology 73:1344-1345 (Abstr.).

Galindo, J. J., Abawi, G. S., Thurston, H. D., and Galvez, G. 1982. Source of inoculum and development of web-blight of beans in Costa Rica. Phytopathology 72:170 (Abstr.).

Martin, S. B., Hoch, H. C., and Abawi, G. S. 1982. Effect of Laetisaria arvalis on population dynamics of Pythium ultimum in pasteurized and natural field soil. Phytopathology 72:1010 (Abstr.).

Abawi, G. S., and Barker, K. R. 1981. Effect of cultivar, temperature, and density of Meloidogyne incognita on root necrosis and Fusarium wilt of tomatoes. Phytopathology 71:586 (Abstr.).

Abawi, G. S., and Jacobsen, B. J. 1981. Host efficiency and effect of initial densities of Heterodera glycines on growth of soybean and dry bean under greenhouse conditions. Phytopathology 71:198 (Abstr.).

Abawi, G. S., and Mai, W. F. 1981. Effect of phenamiphos, Aldicarb, steam sterilization and soil pasteurization with aerated steam on cabbage yield. Phytopathology 71:557 (Abstr.).

Galindo, J. J., Abawi, G. S., Thurston, H. D., and Galvez, G. 1981. Effect of mulching on incidence and severity of web blight of beans in Costa Rica. Phytopathology 71:875 (Abstr.).

Jaffee, B. A., Abawi, G. S., and Mai, W. F. 1981. Etiology of an apple replant disease. Phytopathology 71:228 (Abstr.).

Jaffee, B. A., Abawi, G. S., and Mai, W. F. 1981. Rhizosphere soil and apple roots as sources of inoculum for apple replant disease. Phytopathology 71:562 (Abstr.).

Abawi, G. S., and Keplinger, J. A. 1980. Identification of bean germplasm for tolerance to Pythium root rot under controlled conditions. Phytopathology 70:458 (Abstr.).

Abawi, G. S., and Mai, W. F. 1979. Stimulatory effect of phenamiphos on yield of cabbage grown in noninfested and Heterodera schachtii-infested soil. Nematropica 9:95 (Abstr.).

Duniway, J. M., Abawi, G. S., and Steadman, J. R. 1977. Influence of soil moisture on the production of apothecia by sclerotia of Whetzelinia sclerotiorum. Proc. Am. Phytopathol. Soc. 4:115 (Abstr.).

Pieczarka, D. J., and Abawi, G. S. 1977. Synergistic interaction between Pythium ultimum and Fusarium solani f. sp. phaseoli and antagonistic interaction between P. ultimum and Rhizoctonia solani on snap beans. Proc. Am. Phytopathol. Soc. 4:124 (Abstr.).

Abawi, G. S., Crosier, D. C., and Cobb, A. C. 1976. Pod-flecking of snap beans caused by Alternaria alternata. Proc. Am. Phytopathol. Soc. 3:299 (Abstr.).

Abawi, G. S., Duniway, J. M., and Grogan, R. G. 1976. Influence of water potential on the survival of sclerotia of Whetzelinia sclerotiorum in soil. Proc. Am. Phytopathol. Soc. 3:275-276 (Abstr.).

Abawi, G. S., Grogan, R. G., and Duniway, J. M. 1976. Microorganisms associated with sclerotia of Whetzelinia sclerotiorum in soil and their possible role in the influence of lettuce drop. Proc. Am. Phytopathol. Soc. 3:275 (Abstr.).

Keplinger, J. A., and Abawi, G. S. 1976. Plant-parasitic nematodes associated with snap bean roots and soils in New York State. Proc. Am. Phytopathol. Soc. 3:307 (Abstr.).

Pieczarka, D. J., and Abawi, G. S. 1976. Influence of soil water potential and temperature on severity of Pythium root rot of beans. Proc. Am. Phytopathol. Soc. 3:309-310 (Abstr.).

Abawi, G. S., Provvidenti, R., Grogan, R. G., and Hunter, J. E. 1975. Predisposition of beans to infection by ascospores of Whetzelinia clerotiorum prior to blossoming. Proc. Am. Phytopathol. Soc. 2:61. (Abstr.)

Abawi, G. S., Provvidenti, R., and Hunter, J. E. 1975. Evaluating bean germplasm for resistance to Whetzelinia sclerotiorum. Proc. Am. Phytopathol. Soc. 2:50 (Abstr.).

Pieczarka, D. J., and Abawi, G. S. 1975. Relationship of inoculum density of Pythium ultimum to root rot severity and yield of snap beans. Proc. Am. Phytopathol. Soc. 2:104 (Abstr.).

Pieczarka, D. J., and Abawi, G. S. 1975. Occurrence of Pythium spp. in bean roots and soils in New York State. Proc. Am. Phytopathol. Soc. 2:104-105 (Abstr.).

Abawi, G. S., Crosier, D. C., and Becker, R. F. 1974. Symptomatology and etiology of root rot of table beets in New York. Annu. Proc. Am. Phytopathol. Soc. 1:132 (Abstr.).

Abawi, G. S., and Dickson, M. H. 1974. Source and inheritance of resistance to Pythium ultimum in beans. Proc. XIX Intern. Hortic. Congr., 1B:723 (Abstr.).

Abawi, G. S., and Grogan, R. G. 1974. Ascospores of Whetzelinia sclerotiorum as primary inoculum causing white mold of beans in New York. Phytopathology 64:578 (Abstr.).

Abawi, G. S., and Hunter, J. E. 1974. Practical mode of action of benomyl in the control of Whetzelinia sclerotiorum on beans. Proc. XIX Intern. Hortic. Congr., 1A:279 (Abstr.).

Abawi, G. S., Polach, F. J., and Molin, W. T. 1974. Histopathology of bean blossom and leaf infection by ascospores of Whetzelinia sclerotiorum. Annu. Proc. Am. Phytopathol. Soc. 1:132 (Abstr.).

Abawi, G. S., and Vittum, M. T. 1974. Effect of fungicides and fertilizers on the incidence and severity of root rot of table beet (Beta vulgaris). Proc. XIX Intern. Hortic. Congr., 1A:294 (Abstr.).

Grogan, R. G., and Abawi, G. S. 1974. The effect of water potential on the biology of Whetzelinia sclerotiorum. Annu. Proc. Am. Phytopathol. Soc. 1:47 (Abstr.).

Polach, F. J., and Abawi, G. S. 1974. The perfect stage of Botryotinia fuckeliana in New York bean fields and in culture. Annu. Proc. Am. Phytopathol. Soc. 1:41 (Abstr.).

Abawi, G. S., and Mai, W. F. 1973. Life cycle of Heterodera schachtii on table beet under field and greenhouse conditions. Phytopathology 63:199 (Abstr.).

Abawi, G. S., and Mai, W. F. 1972. Mode of action of Vydate in controlling Pratylenchus penetrans. J. Nematol. 4:219 (Abstr.).

Abawi, G. S. 1971. Several aspects of the ecology and pathology of Fusarium oxysporum f. sp. cepae. Phytopathology 61:883 (Abstr.).

Abawi, G. S., and Lorbeer, J. W. 1971. Pathological histology of four onion varieties infected by Fusarium oxysporum f. sp. cepae. Phytopathology 61:127 (Abstr.).

Abawi, G. S., and Lorbeer, J. W. 1971. Population of Fusarium oxysporum f. sp. cepae in organic soils in New York. Phytopathology 60:1281 (Abstr.).

Abawi, G. S., Van Etten, H. D., and Mai, W. F. 1971. Phaseollin production induced by Pratylenchus penetrans in Phaseolus vulgaris. J. Nematol. 3:301 (Abstr.).

Lorbeer, J. W., and Abawi, G. S. 1971. Reaction of selected onion varieties to infection by Fusarium oxysporum f. sp. cepae. Phytopathology 61:130 (Abstr.).

Mai, W. F., and Abawi, G. S. 1971. Effectiveness of the double-plant and nematode-transfer techniques on transmission of tobacco rattle virus by Trichodorus christiei at 20, 25, and 30 C. J. Nematol. 3:316 (Abstr.).

Abawi, G. S., and Lorbeer, J. W. 1965. Cultural variability and pathogenicity of Fusarium oxysporum f. sp. cepae. Phytopathology 55:1051 (Abstr.).