July 24th, 2000 Volume 9 No. 19 Update on Pest Management and Crop Development
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Current DD accumulations |
43°F |
50°F |
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(Geneva 1/1-7/24): |
1978 |
1238 |
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(Geneva 1999 1/1-7/24): |
2187 |
1494 |
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(Geneva "Normal" 1/1-7/24): |
2001 |
1402 |
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(Highland 1/1-7/24): |
2277 |
1498 |
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Coming Events: |
Ranges: |
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American plum borer 2nd flight peaks |
1648-2612 |
1037-1840 |
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Comstock mealybug 1st flight subsides |
1668-2245 |
1101-1450 |
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Apple maggot 1st oviposition |
1566-2200 |
1001-1575 |
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Oriental fruit moth 2nd flight peak |
1000-2908 |
577-2066 |
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San Jose scale 2nd flight begins |
1449-1975 |
893-1407 |
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Redbanded leafroller 2nd flight peak |
1479-2443 |
952-1698 |
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Spotted tentiform leafminer 2nd flight subsides |
1773-2514 |
1148-1818 |
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Geneva |
7/13 |
7/17 |
7/20 |
7/24 |
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Redbanded Leafroller |
0.7 |
0.3 |
0.5 |
0.4 |
|
Spotted Tentiform Leafminer |
456 |
449 |
408 |
105 |
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Oriental Fruit Moth |
16.5 |
13.1 |
15.2 |
8.0 |
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Lesser Appleworm |
1.0 |
2.0 |
18.3 |
7.5 |
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Codling Moth |
2.3 |
8.4 |
2.2 |
1.9 |
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San Jose Scale |
0.0 |
0.0 |
0.8 |
0.0 |
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American Plum Borer |
0.0 |
0.0 |
0.2 |
0.9 |
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Lesser Peachtree Borer |
2.7 |
3.1 |
1.8 |
0.6 |
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Peachtree Borer |
0.3 |
1.4 |
0.7 |
1.0 |
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Obliquebanded Leafroller |
0.2 |
0.1 |
0.0 |
0.0 |
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Apple Maggot |
0.0 |
0.0 |
0.0 |
0.0 |
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Dogwood Borer |
0.3 |
0.3 |
- |
0.0 |
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Highland (Dick Straub, Peter Jentsch): |
7/3 |
7/10 |
7/17 |
7/24 |
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Redbanded Leafroller |
0.9 |
0.6 |
0.0 |
0.1 |
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Spotted Tentiform Leafminer |
42.5 |
42.4 |
17.6 |
4.8 |
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Oriental Fruit Moth |
0.4 |
0.2 |
0.0 |
0.2 |
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Codling Moth |
3.6 |
0.5 |
0.7 |
1.6 |
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Sparganothis Fruitworm |
- |
0.9* |
0.6 |
0.0 |
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Apple Maggot |
0.0 |
0.0 |
0.0 |
0.0 |
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Lesser Peachtree Borer |
0.3 |
0.9 |
1.7 |
1.9 |
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Lesser Appleworm |
0.4 |
0.1 |
0.5 |
0.1 |
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Dogwood Borer |
0.0 |
0.1 |
0.0 |
0.0 |
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American Plum Borer |
0.1 |
0.7 |
0.6 |
0.1 |
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Obliquebanded Leafroller |
0.6 |
0.6 |
0.0 |
0.0 |
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Tufted Apple Budmoth |
0.0 |
0.1 |
0.0 |
0.0 |
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Variegated leafroller |
- |
0.2* |
0.1 |
0.0 |
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* = 1st catch |
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PEST FOCUS
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Geneva: |
Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43°F) since then = 960. Codling Moth flight began 5/19; DD50 since then = 912. American Plum Borer 2nd flight began 7/24. One Apple Maggot fly caught 7/14 and 3 caught 7/17 in Wayne Co. (J. Eve). |
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Highland: |
Codling Moth flight began 5/8; DD50 since then = 1230 (last week's number was a misprint). Leafhopper adult numbers increasing in apple trees. Pear Psylla egg-laying increasing in pears. |
