Bacterial wilt of sweet potato caused by <Emphasis Type="Italic">Ralstonia solanacearum</Emphasis> in Taiwan |
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Authors: | Yi-Jeng Chen Yi-Sheng Lin Wen-Hsin Chung |
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Institution: | (1) Department of Plant Pathology, National Chung Hsing University, 250 Kuo Kuang Road, Taichung, 402, Taiwan;(2) Department of Biotechnology, Asia University, 500, Lioufeng Rd, Wufeng, Taichung, 41354, Taiwan; |
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Abstract: | During the last decade, a new bacterial disease has impaired the yield of vegetable sweet potato (30–80%) in Taiwan. Infected
plants developed stunting, root and stem rot, vascular discoloration and wilting. Ten bacterial isolates that caused the same
symptoms in sweet potatoes after inoculation were reisolated and classified as Ralstonia solanacearum phylotype I biovar 4 based on physical and molecular analyses. Moreover, these isolates also caused wilting in convolvulaceous,
solanaceaous and cruciferous plants. This report is the first of bacterial wilt of sweet potato caused by R. solanacearum in Taiwan. |
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