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棉花学报  2008 

棉铃虫种群对Bt棉抗性等位基因频率分析

DOI: 1002-7807(2008)06-0470-03, PP. 470-472

Keywords: 棉铃虫,Bt棉,F1代法,F2代法,抗性频率

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Abstract:

2005年采用F1和F2代法估测了河北省邱县棉铃虫对Bt棉的抗性等位基因频率分别为0.047(95%CI0.015~0.079)和0.015(95%CI0.0067~0.0277)。该频率值较1999年的初始频率0.0058几乎上升近10个百分点,警示该地区棉铃虫种群抗性已明显上升趋势。

References

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