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*

* Above threshold