Infection of Blueberry Fruit byColletotrichum gloeosporioides

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Abstract
Blueberry fruit were susceptible to infection by C. gloeosporioides at all stages of development but did not show symptoms until ripening. The infection process, spore germination, appressorium formation and penetration occurred within 1 wk of inoculation of green fruit, but the fungus did not develop further until the fruit ripened. In a survey of anthracnose fruit rot on ripe fruit of 8 blueberry cultivars, ''Powderblue'' and ''Morrow'' were the most resistant; ''Jersey'', ''Harrison'' and ''Blueray'' were the most susceptible. [''Croatan'', ''Murphy'', and ''Harrison'', were also tested.].