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Rhode Island Apple IPM
1998 - Current Pest Report - Apple
Blotch leafminer
Tree stage:
3/28/98 - green tip
4/1/98 - half inch green
4/14/98 - tight cluster
4/21/98 - loose cluster
4/29/98 - early bloom
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 |
4/6/98 |
4/13/98 |
4/20/98 |
4/27/98 |
5/4/98 |
| Steere |
|
1.2/trap |
2.4/trap |
7.4/trap |
|
| Piti |
|
60/trap |
110/trap |
140/trap |
|
| Jaswell |
|
.2/trap |
4.2/trap |
|
|
| Smith |
|
29/trap |
150/trap |
250/trap |
|
| Phantom |
|
88/trap |
130/trap |
160/trap |
|
| Hill |
.4/trap |
13/trap |
44/trap |
52/trap |
|
| Barden |
|
|
3/trap |
5/trap |
|
| Phillips |
|
1.4/trap |
4.2/trap |
7/trap |
|
| Dermksian |
0/trap |
|
0/trap |
.25/trap |
|
| Lamore |
0/trap |
|
1/trap |
|
|
| East Farm |
.25/trap |
|
1.3/trap |
3.3/trap |
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Egg counts:
Steere: 0 eggs on 33 clusters (checked every leaf on cluster
- about 200 leaves)
Smith: 49 eggs on 5 clusters
Hill: 5 eggs on 19 clusters
Barden: 0 eggs on 9 clusters
Threshold????? I guess it to be about 1 - 2 eggs per cluster
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