香蕉品种对假茎象甲田间抗性评价指标的研究

Resistance index of banana varieties to banana pseudostem weevil, Odoiporus longicollis Olivier

通过对 6个香蕉品种上的假茎象甲成、幼虫发生指数和危害程度指数调查 ,提出了香蕉品种对香蕉假茎象甲危害的田间抗性评价指标 ,用此指标评价了 6个品种香蕉对假茎象甲的抗性 ,结果表明Saba大蕉、粉蕉抗虫性较强 ,龙牙蕉。

Based on the investigations of occurrence and damage degree indices of the larva and dult of banana pseudostem weevil, Odoiporus longicollis Olivier on 6 banana varieties, the threshold index of banana varieties resistant to the O. longicollis was suggested and applied to resistance evaluation on these 6 varieties. The results showed that the resistance of Musa AAA and AAB cavendish was lower than other varieties.