Apple Scab
PNW0582
December 31, 2004
Particularly troublesome where rainfall and relative humidity are high, and under overtree irrigation, apple scab can defoliate trees and blemish fruit to a point where it is unmarketable. Learn the symptoms and control strategies. Tables give hours of wetting necessary for infections, resistant apple cultivars and tolerant flowering crab varieties. Color photos.
Authors: Gary Grove, Chang-Lin Xiao
4 pages
