Vermont Apple IPM Alert
L.P.Berkett, IPM Specialist
April 25, 2000
Stage of Bud: Late HIG at UVM HRC
Apple Scab Ascospore Maturity:
The following is the estimated cumulative ascospore maturity based on Degree Days (base 32F) as of April 23:
UVM HRC = 5-12 % (DD = 159 from April 8)
Shoreham = 3-5% (DD = 126 from April 15)
Saxtons River = 3-5 % (DD = 134 from April 11)
Bennington = 5-12 % (DD = 186 from April 5)