溴虫腈的杀虫活性及作用方式研究

Toxicity and Mode of Action of Chlorfenapyr against Insects

室内测定研究了溴虫腈的生物活性和作用方式。结果表明,溴虫腈对多种农业害虫和害螨具有优异的毒杀活性,作用方式以胃毒活性为主,兼有触杀和杀卵活性,但无明显的根内吸活性。

The toxicity and action mode of chlorfenapyr were evaluated against the insects and mite in the laboratory using insecticide bioassay techniques. Results showed that chlorfenapyr had an excelled insecticidal activity against several insects such as Mythimna separata, Plutella xylostella, Pieris rapae, Spodoptera litura. Sitophilus zeamais, Aphis fabae and Tetronrehux urticae. Chlorfenapyr had good stomach action, contact action and ovicidal action, but no systemic action.