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置棉铃虫即将孵化幼虫的卵粒于含Bt基因棉株顶端倒3或4叶片上,进行抗棉铃虫的鉴定,并以棉铃虫幼虫对Bt基因棉顶端叶的为害程度作为棉花抗棉铃虫的划分指标。简便易行,抗虫性鉴定准确可靠
Cotton bollworm is about to hatch the larvae eggs Bt cotton plant top 3 or 4 leaves inverted, against cotton bollworm identification and cotton bollworm larvae of Bt cotton to the top of the leaf damage degree as cotton bollworm Divide the indicators. Simple, insect resistance identification is accurate and reliable