利用不同浓度卡那霉素对转基因棉花在试管内进行筛选 ,通过对棉苗子叶颜色的变化情况的观察 ,以及对棉苗平均苗重、根重、茎重、茎......

We report, in this paper, some results of in vitro selection of rice cell lines resistant to raw toxin extract of P. ory......