Bacterial wilt of sweet potato caused by Ralstonia solanacearum in Taiwan

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 wer...

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Bibliographic Details
Published in:Journal of general plant pathology : JGPP 2012, Vol.78 (1), p.80-84
Main Authors: Chen, Yi-Jeng, Lin, Yi-Sheng, Chung, Wen-Hsin
Format: Article
Language:English
Subjects:
Agriculture
Bacteria
Bacterial diseases
Biomedical and Life Sciences
Discoloration
Disease Note
Inoculation
Life Sciences
Microbiology
Plant diseases
Plant Pathology
Potatoes
Ralstonia solanacearum
Roots
Solanum tuberosum
Stem rot
Sweet taste
Vegetables
Wilt
Wilting
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Summary: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.
ISSN:1345-2630
1610-739X
DOI:10.1007/s10327-011-0353-7