小扁豆田除草剂除草试验

Herbicide Experiment in Lentil Plot

对小扁豆田杂草进行调查,共有17个科48种杂草。其中禾本科杂草种类少,但数量多,占杂草总量的60%。而阔叶杂草种类多。选用不同类型除草剂、不同施药方式进行除草剂除草试验,结果表明:播前土壤处理,48%氟乐灵乳油除草效果达95.3%;播后苗前施药,48%拉索乳油对禾本科杂草防除效果较好,除草效果达88.7%;45%豆草畏乳油对阔叶杂草防除效果较好,除草效果达86.9%;苗后施药,10%利收乳油对阔叶杂草防除效果较好,除草效果达79.6%。所用各除草剂对小扁豆均表现安全。小扁豆田化学除草应以播前土壤处理或播后苗前施药为主,苗后施药为辅。

In the experiment plot, there are 17 and 48 kinds of weeds. The number of Gra mineous weed is more than the number of latifoliate weeds and accounts for 60 % of the weeds, but the kinds is adverse. In this experiment, We used different kinds of herbicides and spraying methods. The result shows that the soil processing effect of 48 % trifluralin cream is better than other herbicides applied before sowing （95.3% weeds can be killed）, and 48% LASSO cream shows better effect to grassy weeds （88.7% weeds can be killed）. The killing effect of 45 % fomesafen cream is better than the others for latifoliate weeds before applied seedling （ 86.9 % weeds can be killed ）, and application after seedling 10 % flumiclorac-pentyl cream is better（79.6% weeds can be killed）All the herbicides are secure for lentil. According to the result, herbicides should be sprayed before seedling primarily, and after seedling as auxiliary.