Tree stage for McIntosh:
4/6/99 – green tip
4/8/99 – half inch green
4/14/99 – half inch green plus 1-2 leaves folded back
4/16/99 – nearly tight cluster
4/21/99 – tight cluster
4/26/99 – loose cluster
5/1/99 – pink
5/5/99 – early bloom
5/6/99 – full bloom
5/11/99 – late bloom
5/13/99 – McIntosh petal fall

Trap captures above threshold in 2 blocks

European apple sawfly trap captures

Average number of adult European apple sawfly adults caught on white sticky traps in each monitored block. Averages are cummulative.
**Threshold = 5/trap of no prebloom insecticide; 9/ trap if applied prebloom insecticide**