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Rhode Island Apple
IPM
2003 - Current Pest Report - Apple
Blotch leafminer
(set up traps at silver tip)
Tree stage for McIntosh
green tip 4/14/03
half inch green 4/21/03
tight cluster 4/28/03
full pink 5/5/03
bloom 5/9/03
petal fall 5/18/03
- See leafminer eggs on underside of leaves 5/5/03
- See hatched leafminer eggs in Newport on 5/8/03 (and trees here are
only at Pink)
-See adults still in trees on 5/19/03
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 |
4/16/03 |
4/21/03 |
4/28/03 |
5/5/03 |
5/12/03 |
| East Farm |
0/ 3 traps |
10/ 3 traps |
29/3 traps* |
|
25/ 3 traps |
| Lamore |
0/ 4 traps |
|
|
|
|
| Steere |
0/ 3 traps |
0/ 5 traps |
|
18/ 5 traps |
|
| Jaswell |
|
0/ 4 traps |
|
10/ 4 traps |
|
| G. Smith |
|
0/ 3 traps |
|
12/ 4 traps |
|
| D. Smith |
|
1/3 traps |
7/ 3 traps |
|
110/ 4 traps* |
| Phillips |
|
0/ 2 traps |
|
66/ 5 traps |
|
| B. Smith |
|
0/ 4 traps |
|
1/ 3 traps |
|
| Elwood |
|
|
|
1/4 traps |
|
| Knight |
|
0/ 4 traps |
|
|
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* Above threshold
Leafminer eggs. Started seeing eggs on 5/5/03
I do not have a true threshold, but if I find more than a couple per 25
clusters I get nervous.
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