These spores infect healthy leaves, stems and fruit readily if climatic conditions are optimum. The fungus produces abundant numbers of spores which may be splashed by rains or be airborne. White moldy growth may also appear on fruits under humid conditions. Fruit lesions occur as large, green to dark brown lesions, mostly on the upper half of the fruit, but they may also occur on other parts. The disease spreads rapidly under humid conditions, destroying quickly large areas of tissue. These areas enlarge rapidly, becoming brown, and under humid conditions, develop a white moldy growth near the margins of the diseased area on the lower surface of the leaves or on stems.
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