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保丰(Bt)玉米抗虫效果鉴定

2002 
保丰(Bt)玉米是转基因抗虫品种.试验结果表明,在玉米心叶期高抗一代玉米螟危害;在玉米花丝期至成熟期,高抗一代、二代玉米螟危害.其茎秆折断率、虫孔数、百株活虫量指标差异极显著,说明保丰(Bt)玉米抗虫性较强.
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