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38%丙草胺.噁草酮微乳剂在水稻移栽后5d施药,可有效防除稗草、千金子、鸭舌草、节节菜、异型莎草等禾本科杂草、阔叶杂草和莎草科杂草,用药量1 350~1 500mL/hm2,施药后45d对各类杂草总草株防效为86.93%~87.47%,鲜重防效为90.94%~91.48%,显著高于对照药剂30%丙草胺EC 1 500mL/hm2、25%噁草酮EC 1 500mL/hm2及人工除草处理;建议其用药量以1 350~1 500mL/hm2较为经济有效。
38% of propylchloride .And oxaliclone microemulsion was applied 5 d after transplanting rice, which can effectively control the gramineous weeds such as barnyardgrass, cadmium, monocotyledonous, And Sesamia weeds with the dosage of 1 350-1 500 mL / hm2. The control effect on total weeds was 86.93% ~ 87.47% and the fresh weight control efficiency was 90.94% ~ 91.48% 45 days after application, which was significant Higher than the control agent 30% pretilachlor EC 1 500mL / hm2, 25% oxaliclone EC 1 500mL / hm2 and artificial weeding; the recommended dosage of 1 350 ~ 1 500mL / hm2 more cost-effective.