泽漆提取液对蔬菜生长的影响

为研究杂草——泽漆对蔬菜的化感作用，采用室内生物测定法，研究了泽漆水提液对萝卜、白菜、莴苣3种蔬菜幼苗生长的影响．结果表明，泽漆水提液对这3种蔬菜的根长、茎长、根／茎比都有一定的影响，对根长、根／茎比均表现为抑制作用，对茎长的影响则随品种不同而异．此结果说明泽漆水提液可抑制蔬菜幼苗根的生长．

Effects of Euphorbia Helioscopia L.Water Extract on Vegetables Seedling Growth

The study was to research the allelopathic effect of Euphorbia helioscopia L.on some vegetables.By using the techniques of laboratory bioassay the effects of Euphorbia helioscopia L.water extract on some vegetables such as radish,Chinese cabbage and lettuce were studied.Euphorbia helioscopia L.water extract had some effects on the roots length,seedling height and root/shoo ratio.The water extract decreased the roots length and root/ shoot ratio of the 3 vegetables,but its efftects on the seedling height was variable in different species.The extracted liquid from Euphorbia helioscopia L.could inhibit the growth of vegetable root.