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通过对28.5%高效氟吡甲禾灵.氟磺胺草醚乳油防除大豆田杂草进行田间药效试验,结果表明:1200ml、1500ml/hm2的各处理药后30d对大豆田杂草的防效仍然很高,对青葙的株防效分别为83.71%、91.57%,鲜重防效分别为83.95%、93.80%;对其它阔叶草的株防效分别为74.60%、92.06%,鲜重防效分别为76.73%、94.84%;对禾本科杂草稗草的株防效分别为91.58%、91.23%;鲜重防效分别为88.79%、92.01%;对其它禾本科杂草的株防效分别为91.76%、96.47%,鲜重防效分别为83.7%、97.57%;对总草的株防效分别为87.56%、92.14%;鲜重防效分别为84.09%、94.23%。
The control efficacy of 28.5% high-efficiency clomazone and fomesafen EC on weeds in soybean field was tested. The results showed that the control effect on weeds in soybean field was still high after 30 days of 1200ml and 1500ml / hm2 treatment , Respectively. The control effects on the plant of barley were 83.71% and 91.57%, respectively. The control effects of fresh weight and heavy resistance were 83.95% and 93.80%, respectively. The control effects on other broadleaf trees were 74.60% and 92.06% Were 76.73% and 94.84%, respectively. The control effects on the grass weeds barnyardgrass were 91.58% and 91.23%, respectively. The control effects of fresh weight and weight were 88.79% and 92.01%, respectively. The control effects on other grass weeds were 91.76% and 96.47% respectively. The fresh weight control efficiency was 83.7% and 97.57%, respectively. The control effect on the total grass was 87.56% and 92.14% respectively. The fresh weight and the control effect were 84.09% and 94.23% respectively.