Disease, Demystified

What are control strategies for managing oak wilt disease? What do we know about beech leaf disease? Does rose rosette virus affect ‘Knockout’ roses? Which crabapples have good genetic resistance to apple scab disease and how does this compare to 20 years ago? Does apple scab on the fruit matter (as seen on the lead slide for this bygl-alert)?


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Jim Chatfield
Erik Draper