Apple trees are commonly affected by fire blight, apple scab, fruit rots, rusts, and powdery mildew. Fire blight is a common problem in pears. Stone fruits are affected by peach leaf curl, bacterial ...
WHEN A TREE IS INFECTED ... Seeds from apples like Red Delicious won't replicate the parent fruit due to genetic variations. When fire blight wiped out the orchard at New England Botanic Garden ...
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