中国10年抗虫棉大田生产:Bt抗虫棉技术采用的直接效应和间接外部效应评估

来源 :中国科学:生命科学 | 被引量 : 29次 | 上传用户：HYB1976

【摘要】

：

中国自1997年便开始大面积种植Bt抗虫棉.本研究试图分析中国种植抗虫棉10年后减少防治棉铃虫杀虫剂用量的可持续性.通过对1999~2007年4个省16个村农户大田Bt抗虫棉生产的跟踪调查数据分析,发现生产上控制棉铃虫的杀虫剂用量不仅未增加,反而呈下降趋势;虽然没有直接回答Bt抗虫棉能够维持并增加其生产率的机理,但本研究发现,10年来不仅抗虫棉,而且非抗虫棉防治棉铃虫的杀虫剂用量也显著减少,这与抗

【作者】

：

黄季焜米建伟林海王子军陈瑞剑胡瑞法 ROZELLE Scott PRAY Carl

【出处】

：

中国科学:生命科学

【发表日期】

：

2010年03期

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中国10年抗虫棉大田生产:Bt抗虫棉技术采用的直接效应和间接外部效应评估

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