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通过B型烟粉虱虫龄、虫数和不同西葫芦品种对西葫芦银叶表达影响的研究表明:2头以上的2龄若虫刺吸危害,西葫芦就可以出现银叶症状。在进行试验的6个西葫芦品种中,金玉对B型烟粉虱的危害表现出良好的抗性。
Studies on the effect of B. tabaci age, number of insects and different zucchini varieties on the expression of silver leaf of zucchini showed that silver leaf symptoms could occur in zucchini when the 2 or more 2-instar nymphs sucked and harmed. Among the six zucchini cultivars tested, Jinyu showed good resistance to the B. tabaci B hazard.