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在兰州市榆中县良种繁殖场进行了28.6%氨氯吡啶酸·二氯吡啶酸水剂不同剂量防除甘蓝型春油菜田一年生阔叶杂草试验。结果表明,28.6%氨氯吡啶酸·二氯吡啶酸水剂720.00 g/hm2(有效成分量205.92 g/hm2)对水675 L,在春油菜4~5叶期、一年生阔叶杂草3~5叶期喷施的防效最好,药后30 d对一年生阔叶杂草总株防效达96.43%;药后45 d的总株防效达93.24%,总鲜重防效达96.57%,而且对油菜安全。
A pilot experiment was conducted to control annual broadleaf weeds in cabbage field with different dosages of 28.6% clopidoglic acid and clopyralid in the breeding grounds of Yuzhong County, Lanzhou City. The results showed that 28.6% of clopidoglic acid · clopyralid 720 720 g / hm2 (active ingredient 205.92 g / hm2) had 675 L of water on the water, 4 ~ 5 leaves in spring rape, 5 leaf spraying the best control effect, 30 d after the drug on the annual broadleaf weed control of 96.43% of total strains; 45 d after the drug control effect reached 93.24% of the total, fresh weight control efficiency of 96.57% , But also for rapeseed safety.