几种除草剂对机械直播茎瘤芥田间杂草的防效研究

The Control Effect of Several Herbicides on Weed in field of Tumorous stem mustard by Machine Directly Seeding

为筛选合适的机械直播茎瘤芥(榨菜)田间除草剂,研究了5种除草剂对机械直播茎瘤芥田间杂草的防效,以及对茎瘤芥生长、产量的影响。结果表明:茎瘤芥田间主要杂草种类为繁缕和空心莲子草。双丰双除和黄金盖对茎瘤芥田间杂草防治效果好,防效在90%以上,药效持续时间长;对茎瘤芥生长的影响小,不会导致减产。双丰双除及黄金盖可作为茎瘤芥田间除草剂,在杂草生长初期,667m2用125g兑水60kg喷施1次即可。人工除草初期杂草防治效果较好,但持续时间短,费时费工,成本高。

To select suitable herbicides for tumorous stem mustard（ mustard） by machine directly seeding in field,the effects of five kinds of herbicides and artificial weeding on weed control were compared,and the effects on the growth and yield of mustard. The results showed that： The main weed species in the field of mustard were Chickweed and Alligator weed. The herbicides named Shuangfeng Shuangchu and Huang Jingai have the best effect on weed control,the control effect is above 90%. At the same time,the duration of efficacy is long,the effect on the growth of mustard is small and will not lead to reduced production. So Shuangfeng Shuangchu and Huang Jingai can be used in the field of mustard. In the early stages of weeds growth,use 125 g of the herbicides mixed with 60 kg water,spray once for every 667 hm2. Artificial weeding has a good effect on the early growth of weeds,but the duration is short,also with time-consuming and high labor costs.