The characteristics of K+ uptake kinetics of four flue-cured tobacco genotypes were studied and their whole cell transmembrane inward K+ current of root cortex protoplast were recorded.

• 对4个烤烟基因型进行了根系钾吸收动力学特性研究,并对其根皮层细胞质膜内向跨膜钾电流进行了全细胞记录。