Bacterialsoftrot disease on Vanilla fragrans was not found in Hainan Island until 1988.
1988年，在海南岛兴隆地区首次发现香草兰细菌性软腐病。
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Softrot is one of the most serious bacterial disease of potato. This paper briefly introduce the bacterial pathogens, symptoms of disease and the methods for controlling potato softrot in China.