May 7th, 2001 Volume 10 No.8 Update on Pest Management and Crop Development
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Current DD accumulations |
43°F |
50°F |
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(Geneva 1/1-5/7): |
347 |
202 |
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(Geneva 1/1-5/7/2000): |
383 |
185 |
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(Geneva "Normal"): |
323 |
152 |
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(Highland 1/1-5/7): |
450 |
262 |
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Coming Events: |
Ranges: |
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American plum borer 1st catch |
194-567 |
55-294 |
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Codling moth 1st catch |
273-805 |
141-491 |
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Comstock mealybug crawlers in pear buds |
220-425 |
82-242 |
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European red mite egg hatch complete |
361-484 |
183-298 |
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Green fruitworm flight subsides |
170-544 |
69-280 |
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Mirid bugs 1st catch |
322-432 |
156-231 |
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Obliquebanded leafroller larvae active |
149-388 |
54-201 |
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Pear psylla 1st egg hatch |
111-402 |
55-208 |
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Rose leafhopper nymphs on multiflora rose |
188-402 |
68-208 |
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McIntosh at petal fall |
418-563 |
210-317 |
| Phenologies(Geneva) | |
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Apple (McIntosh): |
Full Bloom |
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Apple (Red Delicious): |
King Bloom |
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Pear (Bartlett): |
75% Petal Fall |
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Tart Cherry (Montmorency): |
Bloom |
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Sweet Cherry: |
50% Petal Fall |
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Peach: |
50% Petal Fall |
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Plum: |
90% Petal Fall |
| (Highland): | |
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Apple (McIntosh): |
Petal Fall |
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Pear (Bartlett): |
Fruit Set |
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Peach: |
Petal Fall |
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Plum (Stanley): |
Petal Fall |
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Apricot: |
Fruit 10 mm |
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Geneva |
4/26 |
4/30 |
5/3 |
5/7 |
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Green Fruitworm |
0.3 |
0.4 |
0.0 |
0.0 |
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Redbanded Leafroller |
9.3 |
9.3 |
24.0 |
5.9 |
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Spotted Tentiform Leafminer |
257 |
312 |
627 |
584 |
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Highland (Dick Straub, Peter Jentsch): |
4/23 |
4/30 |
5/2 |
5/7 |
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Green Fruitworm |
0.8 |
0.4 |
0.1 |
0.0 |
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Redbanded Leafroller |
7.1 |
19.7 |
33.0 |
36.4 |
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Spotted Tentiform Leafminer |
2.2 |
44.6 |
149.5 |
38.6 |
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Geneva: |
1st Oriental Fruit Moth and Lesser Appleworm catch, 5/7 |
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Highland: |
Pear Psylla nymphs observed. |