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Rhode Island Apple IPM
2000 - Current Pest Report - Apple
Blotch leafminer
Tree stage for McIntosh
3/27/2000 - green tip
4/7/2000 - half inch green
4/14/2000 - tight cluster
5/1/2000 - pink
5/4/2000 - early bloom
5/8/2000 - early petal fall
5/10/2000 - petal fall
4/18/2000 - first leafminer egg found
4/25/2000 - Finding too many leafminer eggs in orchards where adult
captures are below threshold!!!
5/11/2000 - see first sap feeding mines. Eggs probably began hatching
a few days ago.
5/22/2000 - see first tissue feeding stage mines. Too late to treat with
Provado; AgriMek should be applied today or tomorrow.
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 |
4/13/00 |
4/16/2000 |
4/24/2000 |
5/1/2000 |
5/2000 |
| Steere |
|
|
0/2 traps |
1/ 5 traps |
|
| D. Smith |
12/ 4 traps |
450/ 4 traps* |
100/ 4 traps* |
41/ 4 traps |
|
| Knight |
|
|
8/ 5 traps |
2/ 5 traps |
|
| Jaswell |
|
|
|
|
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| Smith |
2/ 4 traps |
14/ 4 traps |
10/ 4 traps |
|
|
| Phantom |
|
6/ 6 traps |
12/ 4 traps |
15/ 5 traps |
|
| Hill |
0/ 5 traps |
16/ 5 traps |
15/ 5 traps |
8/ 5 traps |
|
| Barden |
|
7/ 5 traps |
12/ 5 traps |
|
|
| Phillips |
|
|
4/ 4 traps |
|
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| Dermksian |
|
|
|
|
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| Lamore |
|
|
19/ 5 traps |
4/ 5 traps |
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| East Farm |
|
|
56/ 4 traps* |
53/ 4 traps* |
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* Above threshold
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