The results suggested that rapid growth of S. canadensis in Pb polluted soil might be due to its ability to exclude Pb or reduce the uptake of Pb compared to non-invasive species.

• 结果表明，铅污染土壤中加拿大一枝黄花的快速生长是由于与非入侵种相比它具有减少或排斥铅吸收的能力。