茚虫威和六伏隆对小菜蛾卵、幼虫和成虫的药效(英文)

被引:3
作者
Mohammad MAHMOUNDVAND [1 ,2 ]
Habib ABBASIPOUR [1 ]
Aziz Sheikhi GARJAN [3 ]
Ali Reza BANDANI [4 ]
机构
[1] Department of Plant Protection,Faculty of Agricultural Sciences,Shahed University
[2] Islamic Azad University,Khorramabad Branch
[3] Iranian Research Institute of Plant Protection
[4] Department of Plant Protection,College of Agriculture and Natural Resources,University of Tehran
关键词
小菜蛾; 毒性; 茚虫威; 六伏隆; 杀成虫剂; 杀幼虫剂; 杀卵剂;
D O I
10.16380/j.kcxb.2010.12.015
中图分类号
S482.3 [杀虫剂];
学科分类号
090403 ;
摘要
化学防治是世界各地防治小菜蛾Plutella xylostella(L.)的主要方法。选择对小菜蛾各发育阶段高效的杀虫剂有助于很好地控制这一害虫。本研究用浸叶法测定了茚虫威和六伏隆对小菜蛾卵、幼虫和成虫的毒性。茚虫威和六伏隆对小菜蛾卵的LC50值分别为201.40和37.32mg/L。茚虫威和六伏隆对3龄幼虫也有很好的毒性(茚虫威的LC50为4.82mg/L;六伏隆的LC50为1.48mg/L)。对成虫的毒性结果表明,这两种杀虫剂对成虫均没有理想的毒性(茚虫威的LC50为845.20mg/L;六伏隆的LC50为3438mg/L)。根据计算的LC50值,六伏隆对小菜蛾卵和幼虫的毒性比茚虫威高,但是茚虫威对成虫的毒性更高。
引用
收藏
页码:1424 / 1428
页数:5
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