利用根系水粗提物评价香蕉种质对枯萎病的抗性
Journal of Fujian Agriculture and Forestry University(Natural Science Edition)（2019）
Abstract
比较了高抗枯萎病品种'中蕉九号'和'中蕉四号'、野生香蕉种质三明野生蕉及感病品种'福州粉蕉一号'和'天宝蕉'等5份香蕉种质根系水粗提物对香蕉枯萎病病原菌FocTR4菌丝生长和孢子萌发的影响.结果表明:5份香蕉种质根系水粗提物对FocTR4菌丝生长的抑制效果表现为'中蕉九号'≈'中蕉四号'>三明野生蕉>'福州粉蕉一号'>'天宝蕉';抗病品种'中蕉九号'和'中蕉四号'根系水粗提物能显著抑制FocTR4孢子萌发,三明野生蕉对孢子萌发具有一定的抑制效果,感病品种'福州粉蕉一号'和'天宝蕉'对孢子萌发无抑制效果.这说明香蕉种质根系水粗提物对FocTR4菌丝生长和孢子萌发的抑制效果与香蕉种质对枯萎病的抗性呈正相关.
MoreKey words
banana germplasms,fusarium wilt,root water,crude extracts,resistance
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