Its petroleum, ethanol and water extracts showed inhibitory effects on the germination and seedling growth of the garden pea (Pisum sativum).

• 研究表明它对其它植物有化学互感作用，其地上部分的石油醚、乙醇和水提取物对豌豆的种子萌发和幼苗生长均有抑制作用。