The allelopathic effects of aqueous extract of root, stem and leaf from 3 strains of rubber trees (He-vea brasiliensis) on the seed germination and seedling growth of peanut, watermelon, maize were investigated.

• 研究3个橡胶品系根、茎、叶水浸液对花生、西瓜、玉米3种受体作物种子及其幼苗生长的影响。