April 30th, 2001 Volume 10 No.7 Update on Pest Management and Crop Development
|
|
|
Current DD accumulations |
43°F |
50°F |
|
(Geneva 1/1-4/30): |
203 |
101 |
|
(Geneva 1/1-4/30/2000): |
261 |
102 |
|
(Geneva "Normal"): |
240 |
105 |
|
Coming Events: |
Ranges: |
|
|
European red mite overwintered eggs hatch |
157-358 |
74-208 |
|
Green fruitworm flight peak |
64-255 |
19-108 |
|
Obliquebanded leafroller larvae active |
149-388 |
54-201 |
|
Redbanded leafroller 1st flight peak |
180-455 |
65-221 |
|
Spotted tentiform leafminer 1st oviposition |
141-319 |
48-154 |
|
Pear psylla 1st egg hatch |
111-402 |
55-208 |
|
McIntosh at pink |
258-356 |
96-182 |
|
(Geneva): Apple (McIntosh): |
Tight Cluster |
|
Apple (Red Delicious): |
Tight Cluster |
|
Pear (Bartlett): |
Green Cluster |
|
Tart Cherry (Montmorency): |
Early White Bud |
|
Sweet Cherry: |
White Bud |
|
Peach: |
Pink |
|
Plum: |
White Bud |
|
(Highland): Apple (McInosh): |
Early Pink |
|
Pear (Bartlett): |
White Bud |
|
Peach: |
Full Bloom |
|
Plum (Stanley): |
10% Bloom |
|
Apricot: |
Petal Fall |
|
Geneva |
4/19 |
4/23 |
4/26 |
4/30 |
|
Green Fruitworm |
0.2 |
0.4 |
0.3 |
0.4 |
|
Redbanded Leafroller |
0.0 |
0.4* |
9.3 |
9.3 |
|
Spotted Tentiform Leafminer |
0.0 |
0.9* |
257 |
312 |
|
Highland (Dick Straub, Peter Jentsch): |
4/9 |
4/16 |
4/23 |
4/30 |
|
Green Fruitworm |
0.8 |
1.1 |
0.8 |
0.4 |
|
Redbanded Leafroller |
0.0 |
0.2* |
7.1 |
19.7 |
|
Spotted Tentiform Leafminer |
0.0 |
0.1* |
2.2 |
44.6 |
|
Pear Psylla (eggs/100 buds) |
14 |
100 |
350 |
- |
|
* = 1st catch |
Geneva: 1st Oriental Fruit Moth caught in Niagara Co., 4/26.