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KMID : 0379120060340020122
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Korean Journal of Mycology
2006 Volume.34 No. 2 p.122 ~ p.124
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Occurrence of Gray Mold of Stachys sieboldii Caused by Botrytis cinerea
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Kwon Jin-Hyeuk
Ryu Jae-San
Kim Min-Geun
Jeong Eun-Ho
Jin Young-Min
Bae Sung-Mun
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Abstract
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In March of 2005, gray mold disease caused by Botrytis cinereu on Stachys sieboldii Miq. was occurred in the mud cellar storage of Gyeongsangnam-do Agricultural Research and Extension Services, Korea. The symptoms started with water-soaked and rotten in the tubers. The conidia were one celled and mostly ellipsoid or ovoid in shape and light gray in color. The conidia were $5{\sim}16{\times}4{\sim}12{\mu}m$ in size and the conidiophores were $14{\sim}30{\mu}m$ in length. The pathogen formed conidia and sclerotia abundantly on PDA. The optimal temperature for mycelial growth and sclelotia formation was $20^{\circ}C$. On the basis of symptom, mycological characteristics and pathogenicity test on host plants, the fungus was identified as Botrytis cinerea Persoon: Fries. This is the first report on gray mold of S. sieboldii caused by B. cinerea in Korea.
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KEYWORD
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Botrytis cinerea, Gray mold, Stachys sieboldii
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