Scaffolds 6/19/00| Coming Events

June 19, 2000 Volume 9 No. 14 Update on Pest Management and Crop Development

Coming Events & Current Situation

Scaffolds is published weekly from March to September by Cornell University -- NYS Agricultural Experiment Station (Geneva), and Ithaca -- with the assistance of Cornell Cooperative Extension.

New York field reports welcomed. Send submissions by 3 p.m. Monday to:

Scaffolds Fruit Journal

Editors: A. Agnello, D. Kain

Geneva, NY 14456-0462

Phone: 315-787-2341 FAX: 315-787-2326

Coming Events:	Ranges:
American plum borer 1st flight subsides	848-1668	440-1205
Apple maggot 1st catch	1045-1671	629-1078
Dogwood borer 1st catch	798-1295	456-812
Obliquebanded leafroller 1st flight peak	869-1548	506-987
Obliquebanded leafroller summer larvae hatch	1076-1513	630-980
Oriental fruit moth 2nd flight begins	1152-1819	772-1215
Peachtree borer 1st catch	565-1557	299-988
San Jose scale 1st generation crawlers present	987-1247	569-784
Spotted tentiform leafminer 2nd flight peak	1266-2005	775-1355

TRAP CATCHES (Number/trap/day)
Geneva	6/8	6/12	6/15	6/19
Redbanded Leafroller	0.0	0.0	0.0	0.0
Spotted Tentiform Leafminer	5.7	6.8	40.2	174
Oriental Fruit Moth	0.5	0.6	0.3	0.3
Lesser Appleworm	1.0	0.9	0.5	0.5
Codling Moth	0.5	11.1	9.0	14.2
San Jose Scale	0.0	0.0	0.0	0.1
Pandemis Leafroller	0.2*	1.9	1.5	2.1
American Plum Borer	0.8	0.5	1.3	0.1
Lesser Peachtree Borer	0.5	4.8	1.7	3.6
Peachtree Borer	0.0	0.0	0.0	0.0
Obliquebanded Leafroller	0.2*	3.3	3.8	4.6

Highland (Dick Straub, Peter Jentsch):	5/30	6/5	6/12	6/19
Redbanded Leafroller	0.0	0.0	0.0	0.0
Spotted Tentiform Leafminer	0.4	0.1	27.7	75.6
Oriental Fruit Moth	0.1	0.1	0.1	0.1
Codling Moth	1.2	0.7	1.1	3.4
Pear Psylla (eggs/50 leaves)	175	190	615	-
Pear Psylla (nymphs/50 leaves)	5.0	75	100	-
Lesser Peachtree Borer	0.2	0.1	0.2	0.1
Lilac Borer	1.1	0.6	1.0	0.3
Dogwood Borer	0.0	0.0	0.0	0.0
American Plum Borer	2.9	0.0	1.4	0.6
Obliquebanded Leafroller	0.0	0.6*	1.0	0.6
Tufted Apple Budmoth	0.0	0.1*	1.0	0.6
* = 1st catch

Geneva

Spotted Tentiform Leafminer 2nd flight began 6/15.

Obliquebanded Leafroller flight began 6/8. Degree days (base

43 F) since then = 293.

Codling Moth flight began 5/19; DD50 since then = 328. Time

for 1st CM spray, if you have not done so in the last week.

Highland

Aphid numbers increasing rapidly.

Codling Moth flight began 5/8; DD50 since then = 554.

Obliquebanded Leafroller flight began 6/5. Degree days (base

43 F) since then = 330.

Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since

then = 170.