1South China Botanical Garden, Chinese Academy of Sciences, Guangzhou-510650, China E-mail: wujinrong@scbg.ac.cn
2State Key Laboratory of Biocontrol, School of Life Sciences, Zhongshan University, Guangzhou, 510275, China
*Correspondence author. E-mail: lsspsl@zsu.edu.cn
Allelopathy, Alternanthera philoxeroide, germination, invasive plants, Ipomoea cairica, lettuce, radish, seedling growth, Spartina alterniflora