Results indicated that rain eluviation was one of the means by which P. multisectum released allelochemicals, the allelopathy of the leaching might play an important role in enhancing the competitive ability of the species.

• 由此表明，雨水淋溶是多裂骆驼蓬向环境释放化感物质的途径之一，化感作用在增强其生态竞争力和扩大种群中起着重要的作用。