The GC/MS analysis of ether extract from H. verticillata culture showed that Benzenedicarboxylic acid, Dibutyl phthalate and some others were the potential allelochemicals.

• 对乙醚提取物作进一步的气-质联用分析发现有如羊毛甾烯、苯二甲酸丁酯等具有潜在化感效应的物质。