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http://dx.doi.org/10.5423/RPD.2004.10.3.183

Black Spot of Sweet Persimmon (Diospyros kaki) Caused by Alternaria alternata  

Kwon, Jin-Hyeuk (경상남도농업기술원)
Ahn, Gwang-Hwan (경상남도농업기술원)
Park, Chang-Seuk (경상대학교 농업생명과학대학)
Publication Information
Research in Plant Disease / v.10, no.3, 2004 , pp. 183-187 More about this Journal
Abstract
Black spot disease on sweet persimmon (Diospyros kaki cv. Fuyu) was found from the farmer's refregerated ware house located in Dong-eup, Changwon city, Gyeongnam province, Korea, 2002. The typical symptoms of the disease was appeared black spot on surface of fruits. Colonies of causal fungus were developed velvety and later turned olivaceous black to sooty black in color on PDA. Conidia were pale brown to golden brown in color and ovoid, obclavate to obpyriform, rarely ellipsoid in shape. and were 12∼46 ${\times}$ 6∼12 ${\mu}{\textrm}{m}$ in size. Septa were 3∼5 transvers, 1∼2 longitudinal or oblique. Conidia were mostly beakless and generated chains by means of secondary conidiophores. Conidiophores were pale to mid brown in color and 42∼95 ${\times}$ 3∼5 ${\mu}{\textrm}{m}$ in size. The optimum temperature for growth of the fungus was about 25∼3$0^{\circ}C$. This is the first report on the black spot of sweet persimmon caused by Alternaria alternata (Fr.) Keissler in Korea.
Keywords
Alternaria alternata; Black spot; Sweet persimmon;
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Times Cited By KSCI : 2  (Citation Analysis)
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