用发根农杆菌(agrobacterium rhizogenes)的ri质粒转化药用植物牛膝(achyranthes bidentataBl。)，诱导出了抗卡那霉素的发状根。
Achyranthes bidentata BL, a famous medica plant, was transferred by ri plasmid with Agrobacterium rhizogenes, and hairy root with kanamycin resistance was induced successfully.
对转基因抗虫棉不同时期、不同叶片对卡那霉素不同浓度的反应及其与棉花抗虫性的关系进行了较系统的研究。
A simple, cheap and efficient technique for identifying transgenic Bt cotton by using kanamycin as an identification marker in the field experiment was tested.
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