The allelopathic potentials of volatiles of Wedelia trilobata L were investigated to determine the role of allelopathiy in successful invasion of this alien plant itt South China.

• 摘要华南地区重要外来入侵物种二裂叶蟛蜞菊挥发物的化感作用进行了研究，以揭示该物种的入侵机制。