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KMID : 1160220180460030254
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Mycobiology
2018 Volume.46 No. 3 p.254 ~ p.259
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Verticillium Wilt of Okra Caused by Verticillium dahliae Kleb. in China
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Yan Wen-Xue
Shi Yan-Xia
Chai A-Li
Xie Xue-Wen
Guo Men-Yan
Li Bao-Ju
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Abstract
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Okra (Abelmoschus esculentus (L.) Moench) has gained more popularity as an economically significant plant for its nutritional and medicinal value, especially in China. During 2014?2016, the root disease of okra was discovered in four okra commercial fields surveyed in China. A fungul was isolated from the infected tissues, and was identified by Verticillium dahliae based on morphological characteristics. Pathogenicity test demonstrated that the fungus was pathogenic on okra, and fulfilled Koch’s postulates. The analysis of three sequences revealed 99?100% identity with the reported V. dahliae strain in GenBank. Neighbor-joining analysis of the gene sequences revealed that the representative isolates were clustered with V. dahliae. To the best of our knowledge, this is the first report of Verticillium wilt of okra in China.
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KEYWORD
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Verticillium dahliae, okra, morphology, sequence analysis, phylogenetic analysis
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