Geographic variation in susceptibility of Helicoverpa armigera (Lepidoptera : Noctuidae) to Bacillus thuringiensis insecticidal protein in China

文献类型: 外文期刊

第一作者: Guo, YY

作者: Guo, YY;Lv, N

作者机构:

关键词: Helicoverpa armigera;Bacillus thuringiensis protein;resistance;China

期刊名称:JOURNAL OF ECONOMIC ENTOMOLOGY ( 影响因子:2.381; 五年影响因子:2.568 )

ISSN: 0022-0493

年卷期: 1999 年 92 卷 2 期

页码:

收录情况: SCI

摘要: Geographic variation in the sensitivity of cotton bollworm to U. thuringiensis insecticide protein CryIA(c) was studied to establish a geographic baseline for comparing the future population responses to the increased use of B. thuringiensis products in agriculture in China. The bollworm populations were collected from 5 ecological cotton areas of China, and the dose responses to CryIA(c) protein of mortality and growth inhibition were evaluated. The ranges of LC(50)s (50% lethal concentration) resulting in larval mortality and IC(50)s (50% inhibition concentration) of larvae grown into 3rd instars among different populations were 0.09-9.073 mu g/ml and 0.011-0.057 mu g/ml, respectively.

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