Northern Woodlands

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Apple Scab, Venturia inaequalis

by Virginia Barlow

November 18, 2008

Although apple scab is everywhere all the time, it is most apparent in the fall, as we try to avoid apples spotted with its telltale, ugly, black lesions. Those spots, it turns out, were predetermined in the spring.

In order for the apple scab fungus to get a …


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