(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.

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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	4/15/02	4/20/02	4/22/02	4/25/02
East Farm	19/ trap	64/ trap
Phillips		0/ trap
Jaswell		50/ trap
B. Smith		0/ trap
Steere		3/ trap
Knight			1/ trap*
Phantom			1/ trap*
Elwood				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.*