Allelopathic Effects and Preliminary Isolation of Root Exudates of Wedelia chinensis(Osb.)Merr
Zeng Rensen1, Ling Xianglian1, Tan Huifen2, Zeng Qiang2
1. Agroecology Laboratory, South China Agricultural University Guangzhou 510642; 2. Institute of Elemento Organic Chemistry, Nankai University, Tianjin 300071