Does expression of Bt toxinmatter in farmer's pesticide use?

文献类型： 外文期刊

第一作者： Huang, Jikun

作者： Huang, Jikun;Chen, Ruijian;Qiao, Fangbin;Su, Honghua;Wu, Kongming

作者机构：

关键词： Bt toxin expression;plot-level survey;laboratory test;pesticide use;Bt cotton

期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：9.803； 五年影响因子：9.555 ）

ISSN： 1467-7644

年卷期： 2014 年 12 卷 4 期

页码：

收录情况： SCI

摘要： Despite the widespread adoption of Bt cotton, farmers still spray excessive pesticides in their cotton fields. In contrast to scientists who always use high quality seeds in the laboratory and/or experimental fields, farmers may plant low quality seeds with a low expression of Bt toxin. How does the expression of Bt toxin influence farmers' pesticide use? On the basis of a plot-level survey and laboratory test data, this study shows that pesticide use on one cotton plot is influenced not only by the expression of Bt crops in this plot, but also by the average expression in the village in the early stage of the cotton growing season. In other words, high expression of Bt toxin benefits not only the farmers who plant the varieties but also all the other villagers.

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