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Gray Mold (Botrytis) - Botrytis
cinerea
Clemson University, USDA
Cooperative Extension Slide Series, www.ipmimages.org
 HOSTS: Many
vegetables, fruits including strawberries, and flower crops.
DESCRIPTION:
Senescent leaves, fruits, and petals are susceptible. Under cool (60 –
70° F.), moist conditions a soft, brown decay develops, covered by
a dense gray to light brown mass of spores. Growth of this fungus is
inhibited at temperatures above 89° F.
LIFE
CYCLE: The
fungus overwinters on plant debris and organic matter in the soil.
CONTROLS:
Plant on
raised beds, maintain low humidity, spray sulfur when humid, cloudy
weather persists.
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