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.