April 5th, 1999 Volume 8 No. 3 Update on Pest Management and Crop Development
|
|
|
43F |
50F |
|
|
Current DD accumulations (Geneva 1/1-4/5): |
98 |
39 |
|
(Highland 1/1-4/5): |
168 |
67 |
|
Coming Events: |
Ranges: |
|
|
Green fruitworm peak flight |
64-255 |
19-108 |
|
Lesser appleworm 1st flight |
135-651 |
49-377 |
|
Obliquebanded leafroller larvae active |
149-388 |
54-201 |
|
Pear psylla 1st oviposition |
25-147 |
1-72 |
|
Pear thrips in pear buds |
137-221 |
54-101 |
|
Pear psylla 1st hatch |
111-402 |
55-208 |
|
Rosy apple aphid nymphs present |
91-291 |
45-148 |
|
Spotted tentiform leafminer 1st catch |
73-433 |
17-251 |
|
Spotted tentiform leafminer 1st oviposition |
141-319 |
48-154 |
|
McIntosh at green tip |
24-165 |
4-74 |
|
McIntosh at half-inch green |
112-221 |
54-102 |
|
Peach at bud burst |
129-179 |
53-101 |
|
Pear at bud burst |
68-245 |
33-117 |
|
Plum at bud burst |
68-234 |
33-108 |
|
Sweet cherry at bud burst |
135-235 |
53-101 |
|
Tart cherry at bud burst |
135-279 |
53-138 |
|
Phenologies (Geneva): Apple (McIntosh): |
Early Silver Tip |
|
|
(Delicious): |
Early Silver Tip |
|
|
Pear (Bartlett) : |
Swollen Bud |
|
|
Sweet Cherry (Windsor): |
Swollen Bud |
|
|
Tart Cherry (Montmorency): |
Swollen Bud |
|
|
Peach: |
Swollen Bud |
|
|
Plum: |
Swollen Bud |
|
|
(Highland): Apple (McIntosh): |
Quarter-Inch Green |
|
|
Pear (Bartlett): |
Swollen Bud |
|
|
Apricots: |
Pink Bud |
|
|
Peaches: |
Swollen Bud |
PEST FOCUS
Geneva: Green Fruitworm and Redbanded Leafroller 1st flight 4/1
Highland: Tarnished Plant Bugs foraging; 1st flight of Redbanded
Leafroller and Spotted Tentiform Leafminer.
TRAP CATCHES (Number/trap/day)
| Geneva: |
3/25 |
3/29 |
4/1 |
4/5 |
|
Green Fruitworm |
- |
0.0 |
0.5* |
0.3 |
|
Redbanded Leafroller |
0.0 |
0.0 |
0.2* |
|
|
Spotted Tentiform Leafminer |
- |
0.0 |
0.0 |
0.0 |
| Highland (Dick Straub, Peter Jentsch): |
3/29 |
3/31 |
4/5 |
|
|
Green Fruitworm |
0.1* |
2.0 |
0.6 |
|
|
Spotted Tentiform Leafminer |
0.0 |
0.0 |
<0.1* |
|
|
Redbanded Leafroller |
0.0 |
3.0* |
9.7 |
|
|
* = 1st catch |