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在喷施豆施乐除草剂的大豆试验田,发现抗咪唑啉酮类除草剂的自生油菜突变株,经连续3年自交纯合和抗性鉴定,该突变体抗咪唑啉酮类除草剂的浓度是除草剂有效杀草浓度的2倍以上,抗性性状稳定、抗性效应明显。该材料的发现对于开发具有自主知识产权的抗除草剂新基因,选育不受环境释放限制的油菜新品种,均具有重大的理论和现实意义。
In the test field of soybeans sprayed with beans Xerox herbicide, the self-generated rapeseed mutants resistant to imidazolinone herbicides were identified by inbred homozygosis and resistance for three years. The concentration of the herbicide resistant imidazolinones It is more than twice as effective as herbicide to kill grass, and the resistance is stable and the resistance effect is obvious. The discovery of this material has great theoretical and practical significance for developing new herbicide resistant genes with independent intellectual property rights and breeding new varieties of rape that are not limited by environmental release.