the National Natural Science Foundation of China (30370842);Program for Changjiang Scholars and Innovative Research Team inUniversity (IRT0511)
It is believed that the nicotine concentration in tobacco is closely correlated with the amount of nitrogen (N) supplied. On the other hand, N uptake mainly occurs at the early growth stage, whereas nicotine concent...
Supported by the National Natural Science Foundation of China(30070452,30370842);the Ministry of Agriculture 948 Program(2003-Z53).
Our previous experiment revealed that apex-removed plants have larger root systems but a lower K+-uptake rates than intact tobacco plants. Since the apex is not only a center of growth and metabolism, but also an imp...