The allelopathic effects of V. villosa on the weeds varied with weed species in the descending order of speedwell > annual bluegrass > barnyard grass.

• 毛苕子水浸提液处理对杂草的化感效应因杂草种而异，对供试杂草的化感抑制强度为波斯婆婆纳＞稗草＞一年生早熟禾；