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一、防治技术要点播种期选好抗病品种,做好药剂拌种,防治地下害虫和苗期病害,重点查治玉米蓟马、耕葵粉蚧、二点委夜蛾、二代粘虫、玉米螟和棉铃虫,确保一播全苗,同时注意玉米田杂草。拔节至孕穗期,重点查治玉米褐斑病、顶腐病、玉米弯孢菌叶斑病、玉米大小斑病及三代粘虫。抽穗到灌浆期注意防治玉米蚜虫,确保玉米丰收。二、防治方法1、种子处理根据当地病虫种类,选择对路种衣剂或拌种剂。一般防治玉米粗缩病,可选用吡虫啉农药拌
First, the technical points of prevention and sowing Select resistant varieties during sowing, good agent seed dressing, prevention and control of underground pests and seedling diseases, focusing on check and cure corn thrips, Corn borer and cotton bollworm, to ensure that the whole plantation is broadcast, paying attention to weeds in corn fields. Jointing to booting stage, focusing on check corn brown spot disease, top rot, corn Curvalaria leaf spot, corn size spot and three generations of armyworms. Ears to the filling stage to prevent corn aphids, to ensure corn harvest. Second, the prevention and treatment methods 1, seed treatment According to the local pest species, choose the right seed coating or seed dressing. General control of maize disease, the choice of imidacloprid pesticide mix