July 17th, 2000 Volume 9 No. 18 Update on Pest Management and Crop Development
|
|
|
Current DD accumulations |
43°F |
50°F |
|
(Geneva 1/1-7/17): |
1831 |
1141 |
|
(Geneva 1999 1/1-7/17): |
1967 |
1323 |
|
(Geneva "Normal" 1/1-7/17): |
1803 |
1252 |
|
(Highland 1/1-7/17): |
2106 |
1375 |
|
Coming Events: |
Ranges: |
|
|
American plum borer 2nd flight begins |
906-1876 |
973-1337 |
|
Comstock mealybug 1st flight peak |
1327-1782 |
824-1185 |
|
Apple maggot 1st catch |
1045-1671 |
629-1078 |
|
Apple maggot 1st oviposition |
1566-2200 |
1001-1575 |
|
Obliquebanded leafroller 1st flight subsides |
1420-2452 |
899-1790 |
|
Oriental fruit moth 2nd flight peak |
1000-2908 |
577-2066 |
|
San Jose scale 2nd flight begins |
1449-1975 |
893-1407 |
|
Redbanded leafroller 2nd flight peak |
1479-2443 |
952-1698 |
|
Geneva |
6/29 |
7/10 |
7/13 |
7/17 |
|
Redbanded Leafroller |
0.5 |
0.6 |
0.7 |
0.3 |
|
Spotted Tentiform Leafminer |
399 |
364 |
456 |
449 |
|
Oriental Fruit Moth |
1.5 |
1.0 |
16.5 |
13.1 |
|
Lesser Appleworm |
1.0 |
3.5 |
1.0 |
2.0 |
|
Codling Moth |
13.7 |
5.5 |
2.3 |
8.4 |
|
San Jose Scale |
0.3 |
0.0 |
0.0 |
0.0 |
|
Pandemis Leafroller |
0.2 |
0.0 |
- |
- |
|
American Plum Borer |
0.2 |
0.1 |
0.0 |
0.0 |
|
Lesser Peachtree Borer |
5.5 |
5.5 |
2.7 |
3.1 |
|
Peachtree Borer |
0.3 |
0.5 |
0.3 |
1.4 |
|
Obliquebanded Leafroller |
2.0 |
3.4 |
0.2 |
0.1 |
|
Apple Maggot |
0.0 |
0.0 |
0.0 |
0.0 |
|
Dogwood Borer |
0.3 |
0.6 |
0.3 |
0.3 |
|
Highland (Dick Straub, Peter Jentsch): |
6/26 |
7/3 |
7/10 |
7/17 |
|
Redbanded Leafroller |
0.6* |
0.9 |
0.6 |
0.0 |
|
Spotted Tentiform Leafminer |
49.6 |
42.5 |
42.4 |
17.6 |
|
Oriental Fruit Moth |
0.0 |
0.4 |
0.2 |
0.0 |
|
Codling Moth |
4.7 |
3.6 |
0.5 |
0.7 |
|
Pear Psylla (eggs/leaf) |
1.8 |
0.4 |
0.0 |
- |
|
Pear Psylla (nymphs/leaf) |
2.2 |
0.4 |
0.0 |
- |
|
Apple Maggot |
0.0 |
0.0 |
0.0 |
0.0 |
|
Lesser Peachtree Borer |
0.3 |
0.3 |
0.9 |
1.7 |
|
Lesser Appleworm |
0.0 |
0.4 |
0.1 |
0.5 |
|
Dogwood Borer |
0.0 |
0.0 |
0.1 |
0.0 |
|
American Plum Borer |
0.3 |
0.1 |
0.7 |
0.6 |
|
Obliquebanded Leafroller |
0.5 |
0.6 |
0.6 |
0.0 |
|
Tufted Apple Budmoth |
1.1 |
0.0 |
0.1 |
0.0 |
|
Variegated leafroller |
- |
- |
0.2* |
0.1 |
|
* = 1st catch |
|
Geneva: |
Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43°F) since then = 812 Codling Moth flight began 5/19; DD50 since then = 815 Oriental fruit moth 2nd flight began this week. |
|
Highland: |
Codling Moth flight began 5/8; DD50 since then = 1383 Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since then = 919 Japanese beetles present in apple trees |
