(set up traps at silver tip)
Tree stage for McIntosh
3/31/02 – green tip
4/13/02 – half inch green
4/15/02 – tight cluster
4/18/02 – pink
4/20/02 – bloom
5/6/02 – petal fall
5/24/02 – First see leafminer mines that have advanced to the tissue feeding stage.
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*
|East Farm||19/ trap||64/ trap|
|B. Smith||0/ trap|
* Set up these traps very late: 4/18/02
Leafminer eggs. Started seeing eggs on 4/18/02.
*I do not have a true threshold, but if I find more than a couple per 25 clusters I get nervous.*