Stories We Like: A Guide to the Comma
disease of plants growing in humid areas that is usually caused by the fungus Botrytis cinerea. Most vegetables, fruits, flowers, and woody plants are susceptible; injured, old, and dead plant parts become infected first. Soft, tan to brown spots or blotches become covered with a dusty mold in moist weather. Seedlings, young shoots, or leaves may wither and collapse; buds rot; flowers become flecked and spotted; older flowers and fruit turn brown and rot. Botrytis commonly follows injury by ozone, an air pollutant.