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通过研究除草剂 Ｂａｓｔａ对 ６个水稻品种愈伤组织的生长和分化的影响，发现 Ｂａｓｔａ对愈伤组织的生长和分化具有强烈的抑制作用；在此基础上，找到了合适的Ｂａｓｔａ筛选压，为以ｂａｒ基因作为选择标记基因的水稻遗传转化奠定了基础．
By studying the effect of herbicide Basta on the callus growth and differentiation of six rice cultivars, it was found that Basta strongly inhibited the growth and differentiation of callus. Based on this, Basta screening pressure was found to be The bar gene as a selectable marker gene laid the foundation for genetic transformation in rice.