Allelopathic activity of root saponins of alfalfa on wheat, corn and barnyardgrass

¹Graduate School of the Chinese Academy of Sciences, Beijing-100 039, China.

²Shenyang Experimental Station of Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang-110016, China.

*Correspondence author: E-Mail: liangwj@iae.ac.cn