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Field Guide - Botryis

Botryis

BotryisAlso known as gray mold. This fungus has a wide host range. The fungus grows as a gray or sometimes brownish mold on leaves or petioles. Usually develops under cool, humid conditions. This disease frequently attacks older, lower leaves that are weakened by shading, damage or age. Dropping blossoms often create an ideal situation for this disease to develop.


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