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KMID : 0379120030310020117
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Korean Journal of Mycology
2003 Volume.31 No. 2 p.117 ~ p.119
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Stem Rot of Eggplant (Solanum melongena) Caused by Sclerotium rolfsii
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Kwon Jin-Hyeuk
Park Chang-Suk
Sin Soon-Sun
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Abstract
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A stem rot of eggplant (Solanum melongena) was found in experimental field of Gyeongsangnam-do Agricultural Research and Extension Services, Korea. The typical symptoms of the disease were stem rot, crown rot, wilt or blight. Upper parts of the infected stems were mostly blighted and white turf of fungal mycelium mats was spread over lesions. Sclerotia were farmed on the stems near soil line. The sclerotia of the fungus eadily were produced in artificial media such as PDA at $30^{\circ}C$. The sclerotia were globoid, $1.0{\sim}3.4mm$ in diameter and brown in color. The optimum temperature for growth of the fungus was about $30^{\circ}C$. The typical clamp connections were found in the hypha formed on PDA, and was $3.8{\sim}10.6{\mu}m$ in size. On the basis of mycological characteristics and pathogenecity test, the fungus was identified as Sclerotium rolfsii. This is the first report of stem rot of eggplant caused by Sclerotium rolfsii in Korea.
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KEYWORD
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Eggplant, Sclerotium rolfsii, Stem rot
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