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 |
* 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.