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1979—1981年,我们做了氟乐灵防除棉田杂草试验,观察了对棉花的影响.结果除草效果良好,可以示范推广。一、药效试验1.试验条件及方法试验地设在介休县宋(月古)大队,土质为粘士,前茬谷子。田间杂草以马唐、稗草、画眉、狗尾草为主,其次是藜、苋菜、刺儿菜、龙葵、野西瓜苗等.小区面积6.3厘,每处理重复5次,顺序排列。共7个处理:①每亩1.5两48%氟乐灵乳剂;②每亩2.5两48%氟乐灵乳剂;③每亩1.5两48%氟乐灵乳剂加5两25%敌草隆;④每亩1.5两48%氟乐灵乳剂加1两50%利谷隆;⑤每亩5两25%敌草隆加2两48%拉索;⑥每亩2两50%扑草净;⑦每亩5两25%敌草隆加5两25%除草醚。设喷清水为对照。各处理用药量分别兑水80斤,地面喷雾,对照等量.除氟乐灵单施是在播前施药并随即混土外,其他处理都在播后至
From 1979 to 1981, we tested the effect of trifluralin against weeds in cotton fields and observed the effect on cotton. The results showed good weeding effect and could be demonstrated and popularized. First, the efficacy test 1. Test conditions and methods Experimental ground located in Jiexiu County Song (Yue Gu) brigade, soil sticky, Qianqu millet. Field weeds to crabgrass, barnyardgrass, thrush, Setaria based, followed by quinoa, amaranth, cactus, solanum, wild watermelon seedlings, etc. Area of 6.3%, each treatment repeated 5 times, in order. A total of seven treatments: ① 1.5 two 48% trifluralin emulsion per acre; ② two two 48% trifluralin emulsion per acre; ③ two two 48% trifluralin emulsion per acre plus 5 two 25% diuron; ④ 1.5 to 48% of triamcinolone per acre and 1 to 50% of rilelulone; ⑤ 25 to 25% of diuron plus 2 to 48% of cable; ⑥ 2 to 50% of prometryn per acre; Mu 5 two 25% diuron plus 5 two 25% weeding ether. Set spray water as a control. The amount of each treatment were watered 80 pounds, ground spray, control amount.Delieverina single application is sown before spraying and mixing, the other treatments are broadcast to