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KMID : 0379120070350020068
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Korean Journal of Mycology
2007 Volume.35 No. 2 p.68 ~ p.75
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Morphological, Molecular and Pathogenic Characteristics of Botrytis elliptica and Botrytis cinerea Associated with Leaf Blight of Lily
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Kim Won-Ki
Park Myoung-Soo
You Seoung-Hun
Hahm Soo-Sang
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Abstract
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The seventy nine isolates of Botrytis spp. were obtained from leaf blight lesions of lily in Korea, Japan and Netherlands. Morphological and cultural characteristics of them were investigated and molecular characteristics of them were determined using sequence analysis of RNA polymerase II (RPB2) and heat-shock protein 60 (HSP60) gene. A selection of Botrytis isolates were evaluated for their pathogenicity to lily. Based on morphological and cultural characteristics, the Botrytis isolates were divided into two groups, and identified as B. elliptica (n = 54) and B. cinerea (n = 25). Based on analysis of RPB2 and HSP60 sequences, the Botrytis isolates were also divided into two groups and well supported morphological groupings. Spore suspensions of B, elliptica showed significant pathogenicity on lily leaves and flowers, however those of B. cinerea showed pathogenicity only on flowers but not on leaves. The latter showed pathogenicity on lily leaves only when spore suspensions amended with PDB were used as inocula.
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KEYWORD
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Botrytis cinerea, Botrytis elliptica, Leaf blight, Lily, Sequence analysis
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