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1 材料和方法1 .1 试验设计与方法试验在中国农科院棉花所试验地进行 ,品种为中棉所 35,4月 2 5日播种 ,播种量为脱绒光子 2 7.6kg· hm-2 ,田间苗病发生均匀 (中等偏重 ) ,田间管理一致。试验处理 ,1 2 0 %甲基立枯磷乳油 (连云港市东海化工厂生产 ) 1 .2 5%(药剂商品量与种
1 Materials and methods 1.1 Test design and method The experiment was carried out on the cotton of the Chinese Academy of Agricultural Sciences. The cultivars were CIMC 35 and sown on April 25, with a sowing rate of 7.66 kg · hm-2 , Miao disease occurred in the field uniform (moderately weighted), field management consistent. Test treatment, 120% methyl clofidine EC (Lianyungang City, East China Sea Chemical Factory) 1 2.5% (drug product quality and species