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Rhode Island Apple IPM
1999 - Current Pest Report - Apple
Blotch leafminer
Tree stage for McIntosh
4/6/99 - green tip
4/8/99 - half inch green
4/14/99 - half inch green plus 1-2 leaves folded back
4/16/99 - nearly tight cluster
4/21/99 - tight cluster
4/26/99 - loose cluster
5/1/99 - pink
5/5/99 - early bloom
5/6/99 - full bloom
5/11/99 - late bloom
5/13/99 - McIntosh petal fall
!!!!!Leafminers above threshold in all commercial blocks!!!!!
5/13/99 - First see sap feeding mines
5/27/99 - First see tissue feeding mines
6/3/99 - First see pupae in mines
6/3/99 - First see parasitized mines
6/7/99 - First see empty pupal case - beginning of second generation moth
flight.
Apple blotch leafminer trap captures
The average number of adult leafminers caught per trap in each
monitored block. The averages are cummulative.
* Threshold = 8/trap by tight cluster or 21/trap by pink*
| orchard |
4/12/99 |
4/19/99 |
4/26/99 |
5/3/99 |
5/10/99 |
| Steere |
6/trap |
26/trap |
100/trap |
124/trap |
|
| Knight |
40/trap |
|
190/trap |
210/trap |
|
| Jaswell |
|
7/trap |
36/trap |
38/trap |
|
| Smith |
27/trap |
107/trap |
180/trap |
220/trap |
|
| Phantom |
75/trap |
125/trap |
225/trap |
275/trap |
|
| Hill |
150/trap |
250/trap |
350/trap |
400/trap |
|
| Barden |
3/trap |
45/trap |
115/trap |
125/trap |
|
| Phillips |
.8/trap |
45/trap |
100/trap |
120/trap |
|
| Dermksian |
|
3/trap |
8/trap |
10/trap |
|
| Lamore |
15.5/trap |
51/trap |
|
65/trap |
|
| East Farm |
|
|
100/trap |
130/trap |
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