Rhode Island Apple IPM

2004 - Current pest report - Apple scab infection periods

Tree stage for McIntosh (Greenville area)
4/5/04 - Silver tip
4/13/04 - Green tip
4/18/04 - Half inch green
4/26/04 - Tight cluster
5/1/04 - Pink
5/2/04 - King bloom
5/5/04 - Full bloom
5/12/04 - Petal fall

Primary apple scab infection periods:
4/13/04 - 4/15/04: 61 hours leaf wetness at 50 degrees
4/23/04 - borderline infection period
4/26/04 -infection period
5/2/04-5/4/04 - huge infection period
5/9/04 - infection period
5/16/04 - infection period in some locations
5/18/04 - infection period - probably released the last of primary season ascospores in the Greenville area. Coastal areas still in primary scab season.

Mills Table