The r esults showed that there are remarkable differences in capacity to acquire Zn fro m soils among the six pakchoi cultivars due to the difference of the morphology of the roots.

• 结果表明，不同小白菜品种从土壤介质中累积吸锌能力差异显著，这种差异是由于品种间根系形态特征的不同造成的。