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Morphological and genetic characterization of a South African Plutella xylostella granulovirus (PIxyGN) isolate

机译:南非小菜蛾小粒颗粒病毒(PIxyGN)分离株的形态和遗传特征

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摘要

Plutella xylostella (L.) (Lepidoptera: Plutellidae), also known as diamondbackmoth, is a destructive insect pest of cruciferous crops (Talekar & Shelton 1993; Shelton 2004). The pest occurs wherever its host plants are cultivated and the global annualcost of damage and control is estimated to be US$4-5 billion (Zalucki et al. 2012). The extensive use of synthetic pesticides for control combined with the high fecundity of P. xylostella has resulted in the pest developing resistance to nearly all classes of insecticides (Grzywacz et al. 2009). Moreover, these chemicals have negative environmental implications and may affect non-target species, some of which are natural enemies of the pest.
机译:小菜蛾(Plutella xylostella(L.)(鳞翅目:Plutellidae),也称为小菜蛾,是十字花科作物的破坏性害虫(Talekar&Shelton 1993; Shelton 2004)。有害生物会在其寄主植物种植的任何地方发生,全球每年的破坏和控制成本估计为4至50亿美元(Zalucki等,2012)。合成农药的广泛使用与小菜蛾的高繁殖力相结合,导致害虫对几乎所有种类的杀虫剂均产生抗药性(Grzywacz等,2009)。此外,这些化学物质对环境具有负面影响,并可能影响非目标物种,其中一些是害虫的天敌。

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