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Sooty blotch and flyspeck
Sooty blotch and flyspeck (SBFS) or 'apple summer disease' is a plant disease caused by a complex of saprophytic fungi which colonize the epicuticular wax layer of apple (''Malus'' x ''domestica'' Borkh.). It is found worldwide in regions with moist growing seasons.
==Description==
Sooty blotch and flyspeck is a descriptive term for a condition of darkly pigmented blemishes and smudges caused by a number of different fungi affecting fruit including apples, pear, persimmon, banana, papaya, and several other cultivated tree and vine crops. The greenish black coating resembling soot or flyspeck-like dots grow into irregular stains and blotches during the summer or growing season. They can grow into each other and may cover the entire fruit surface. Frequently blotches run down in a track resembling tears (German: "Regenfleckenkrankheit"). The blotches can be removed by vigorous rubbing or be scratched off revealing a normal peel. Symptoms can be seen particularly well when apples are light or green colored. Late varieties are more susceptible, because the disease builds over a longer growing period.〔(Rußflecken ) Kompetenzzentrum Obstbau-Bodensee in Bavendorf (KOB), not dated, retrieved 25 October 2015〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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