July 2nd, 2001 Volume 10 No.16 Update on Pest Management and Crop Development
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Current DD accumulations |
43°F |
50°F |
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(Geneva 1/1-7/2): |
1462 |
949 |
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(Geneva 1/1-7/2/2000): |
1471 |
886 |
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(Geneva "Normal"): |
1405 |
940 |
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(Highland 1/1-7/2): |
1700 |
1139 |
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(Hudson 1/1-7/2): |
1562 |
1025 |
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Coming Events: |
Ranges: |
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Apple maggot oviposition punctures present |
1566-2200 |
1001-1575 |
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Codling moth 1st flight subsides |
1112-2124 |
673-1412 |
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Comstock mealybug 1st adult catch |
1270-1673 |
756-1105 |
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Lesser appleworm 2nd flight begins |
1152-2302 |
778-1531 |
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San Jose scale 2nd flight begins |
1449-1975 |
893-1407 |
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Spotted tentiform leafminer 2nd flight peak |
1219-2005 |
701-1355 |
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STLM 2nd gen. tissue feeders present |
1504-2086 |
952-1201 |
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Geneva |
6/18 |
6/21 |
6/25 |
7/2 |
|
Redbanded Leafroller |
0.1 |
0.0 |
0.0 |
0.5 |
|
Spotted Tentiform Leafminer |
161 |
285 |
120 |
112 |
|
Oriental Fruit Moth |
1.1 |
0.5 |
0.3 |
3.2 |
|
Lesser Appleworm |
1.0 |
0.2 |
0.1 |
0.7 |
|
Codling Moth |
6.5 |
6.7 |
6.9 |
3.4 |
|
San Jose Scale |
0.0 |
0.0 |
0.8 |
- |
|
American Plum Borer |
0.4 |
0.3 |
0.3 |
0.0 |
|
Lesser Peachtree Borer |
4.5 |
6.5 |
4.6 |
9.7 |
|
Peachtree Borer |
0.0 |
0.0 |
0.0 |
0.8 |
|
Dogwood Borer |
0.0 |
0.0 |
0.0 |
0.0 |
|
Pandemis Leafroller |
1.3 |
0.7 |
1.0 |
0.0 |
|
Obliquebanded Leafroller |
1.8 |
2.8 |
0.3 |
0.3 |
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Highland (Dick Straub, Peter Jentsch): |
6/11 |
6/18 |
6/25 |
7/2 |
|
Redbanded Leafroller |
0.1 |
0.2 |
2.9 |
4.0 |
|
Spotted Tentiform Leafminer |
10.4 |
88.6 |
46.1 |
44.5 |
|
Oriental Fruit Moth |
0.1 |
0.3 |
0.4 |
0.4 |
|
Codling Moth |
0.7 |
5.9 |
5.4 |
2.7 |
|
Lesser Appleworm |
2.9 |
3.2 |
1.4 |
0.5 |
|
Variegated Leafroller |
0.5 |
1.3 |
0.9 |
0.7 |
|
Obliquebanded Leafroller |
1.9 |
2.8 |
5.6 |
0.5 |
|
Tufted Apple Budmoth |
0.0 |
0.3 |
0.9 |
0.0 |
|
Apple Maggot |
0.0 |
<0.1* |
0.0 |
0.1 |
|
Dogwood Borer |
- |
- |
0.0 |
0.0 |
|
Hudson (Steve McKay): |
6/11 |
6/18 |
6/25 |
7/2 |
|
American Plum Borer |
- |
0.0 |
0.0 |
0.0 |
|
Oriental Fruit Moth |
- |
0.0 |
0.0 |
0.0 |
| * = 1st catch |
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Geneva: |
1st Apple Maggot adult catch at Geneva on 6/29. |
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Oriental Fruit Moth and Redbanded Leafroller 2nd flights began Today (7/2). |
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Spotted Tentiform Leafminer 2nd flight began 6/14. DD (base 43°F) accumulated since then = 531. (Sample at 690-840.) |
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1st Obliquebanded Leafroller caught in 6/8. DD (base 43°F) accumulated since 6/8 in Geneva = 661. (Sample larvae now.) |
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Codling Moth model is at 616 DD (base 50°F); 2nd brood sprays at 1260-1370. |
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Highland: |
Apples damaged by frequent hail. |
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Potato Leafhopper and Rose Leafhopper nymphs present in apple. |
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Predatory Mite numbers increasing, keeping European red mites in check. |
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Two-spotted Spider Mite numbers increasing. |
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Codling Moth model is at 788 DD. |
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Spotted Tentiform Leafminer 2nd flight began 6/11. DD (base 43°F) accumulated since then = 630. |