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http://dx.doi.org/10.5423/RPD.2012.18.2.139

Stem Rot of Common Bean (Phaseolus vulgaris L.) Caused by Sclerotium rolfsii  

Kwon, Jin-Hyeuk (Gyeongsangnam-do Agricultural Research and Extension Services)
Kang, Dong-Wan (Gyeongsangnam-do Agricultural Research and Extension Services)
Kwak, Youn-Sig (Institute of Agriculture and Life Sciences, Gyeongsang National University)
Choi, Ok-Hee (Institute of Agriculture and Life Sciences, Gyeongsang National University)
Han, Seong-Sook (Crop Environment Research Division, National Institute of Crop Science, RDA)
Publication Information
Research in Plant Disease / v.18, no.2, 2012 , pp. 139-141 More about this Journal
Abstract
Stem rot symptoms of common bean occurred sporadically in Jinju, Korea. The typical symptom included water-soaking on the main stem, rotting, wilting, and blighting, which eventually leads to death of the plant. The sclerotia, white to brown, spherical with size of 1-3 mm, formed over lesions and surface soil line. The optimum temperature for mycelial growth and sclerotia formation was $30^{\circ}C$ on potato dextrose agar (PDA). The typical clamp connections were observed in the hyphae of the fungus grown on PDA. Mycological characteristics and pathogenicity to host plants indicated that the fungus was Sclerotium rolfsii Saccardo. This is the first report of stem rot on common bean caused by S. rolfsii in Korea.
Keywords
Common bean; Sclerotium rolfsii; Stem rot;
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Times Cited By KSCI : 2  (Citation Analysis)
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