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)