【摘要】 198 6～ 1988年在浙江省嘉兴、杭州、金华和温州 4个农区 ,对大小麦和油菜田杂草发生种类和危害程度开展全面系统调查 ,涉及 6个市、2 3个县 (市 )和 1个大型农场 ,计 70 0 0多块样田 ,取样面积约 667hm2 。调查结果 ,浙江省大小麦和油菜田共有杂草 50科 2 77种 ,杂草群落结构复杂 ,危害程度较高 ,杂草群落组成与地域、地势、土质、前茬作物及耕作习惯等有关。最后提出大小麦和油菜田杂草防除对策和措施 ,并附浙江省大小麦和油菜田杂草名录。更多还原

【Abstract】 A thorough survey was made for weed species and their damage in wheat,barley,and rapeseed fields in Jiaxing,Hangzhou,Jinhua,and Wenzhou,Zhejiang Province in 1986-1988.Twenty three counties belonging to 6 regions and more than 7 000 sampling fields with the sampling area of 667 hm 2 were involved.The result showed that there are 277 species belonging to 50 families of weeds appearing in wheat,barley,and rapeseed fields in Zhejiang.Weeds have their complex communities and heavy damages to crops,depending on regions,soils,crops,and cultivation habits.Tactics and measures for weed control were proposed and a list of weed species in wheat,barley and rapeseed fields was appended at the end.更多还原