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http://dx.doi.org/10.5423/RPD.2013.19.4.265

Physiological, Biochemical and Genetic Characteristics of Ralstonia solanacearum Strains Isolated from Pepper Plants in Korea  

Lee, Young Kee (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Kang, Hee Wan (Graduate School of Future Convergence Technology, Hankyong National University)
Publication Information
Research in Plant Disease / v.19, no.4, 2013 , pp. 265-272 More about this Journal
Abstract
Totally sixty three bacteria were isolated from lower stems showing symptoms of bacterial wilt on pepper plants in 14 counties of 7 provinces, Korea. The isolates showed strong pathogenicity on red pepper (cv. Daewang) and tomato (cv. Seogwang) seedlings. All virulent bacteria were identified as Ralstonia solanacearum based on colony types, physiological and biochemical tests and polymerase chain reaction (PCR). All R. solanacearum isolates from peppers were race 1. The bacterial isolates consisted of biovar 3 (27%) and biovar 4 (73%). Based on polymorphic PCR bands generated by repetitive sequence (rep-PCR), the 63 R. solanacearum isolates were divided into 12 groups at 70% similarity level. These results will be used as basic materials for resistant breeding program and efficient control against bacterial wilt disease of pepper.
Keywords
Biovar; Classification; Pepper; Ralstonia solanacearum; Rep-PCR;
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Times Cited By KSCI : 3  (Citation Analysis)
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