transgenic bt cotton

基本解释

Hybrid cotton, especially transgenic Bt hybrid cotton was superior to conventional cotton and not Bt cotton in K efficiency;
抗虫杂交棉的钾营养效率显著高于常规抗虫棉；
A simple, cheap and efficient technique for identifying transgenic Bt cotton by using kanamycin as an identification marker in the field experiment was tested.
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。
The rate of parasitism was significantly higher in the natural control check plots than those in the other control measure plots (bio insecticide, chemical insecticide and transgenic Bt cotton).
自然控制区幼虫的寄生率明显高于化学防治区、生物农药防治区和转基因棉区。