赤心菌属和Lecanicillium属昆虫病原真菌不同种类对水杨花的行为反应和生存能力的影响

G. Mitina, E. Stepanycheva, A. Choglokova
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引用次数: 0

摘要

研究了Akanthomyces和Lecanicillium孢子对温室白蝇(Trialeurodes vaporariorum)行为反应的影响。3个菌株对成虫的产卵量有较强的驱避作用,对成虫的繁殖力有较强的抑制作用,使卵数比对照减少70%。另外2个菌株对白蝇的行为反应和繁殖力没有影响。所有菌株在浓度为500万孢子/ml时对粉虱幼虫均表现出较高的毒力,处理后第7天死亡率在76% ~ 98%之间。两种白蝇的毒力与两种白蝇的毒力相当,它们通常被用来生产生物制剂来对付白蝇。它们对控制粉虱很有希望。显然,在评价昆虫病原真菌的致病潜力时,应考虑这些害虫的行为反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The effect of the different species of the entomopathogenic fungi from genera Akanthomyces and Lecanicillium on the behavioral responses and the viability of the Trialeurodes vaporariorum
The effect of the spores of Akanthomyces and Lecanicillium species on the behavioral responses of the greenhouse whitefly Trialeurodes vaporariorum has been studied. Three strains of the species Akanthomyces muscarius, Lecanicillium pissodis and Lecanicillium dimorphum demonstrated a strong repellency and negative effect for the adult fecundity, causing the decrease of the eggs number up to 70 % in comparison with control. Two other strains of species L. psalliotae and A. muscarius did not affect the behavioral responses and fecundity of whitefly. All studied strains showed high virulence against whitefly larvae at concentration of 5 mln spores/ml causing mortalily rate between 76 and 98 % on the 7th day after treatment. The virulence of species L. dimorphum and L. pissodis was comparable with the virulence of the species A. muscarius, they are traditionally used to produce biopreparations against whitefly. They are promising for the whitefly control. Apparently, the behavioral responses of these pests should be considered for the evaluation of the pathogenic potential of entomopathogenic fungi.
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