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作者通过近年来大量的基层工作实践,总结了玉米生产季节中的主要虫害有:玉米螟、蝼蛄、蚜虫、蛴螬、小地老虎、蚜虫、斜纹夜蛾、蓟马等八种,对其田间表现症状和防治方法做了详细的介绍,以期对农民朋友和技术人员有所帮助。1.玉米螟又叫钻心虫,是玉米的主要害虫,常在幼嫩茎叶处钻入咬食,破坏茎叶组织,使养分和水分不能输送,影响玉米生长,抽穗后钻进雌穗使果穗折断影响授粉。防治方法当田间危害株率达到10%时,每
Through a large number of grassroots work practices in recent years, the author summarizes the main pests in corn production season: corn borer, slugs, aphids, slugs, small tigers, aphids, Spodoptera, thrips and other eight kinds of its field performance Symptoms and prevention methods made a detailed introduction, with a view to farmers friends and technical staff helpful. 1. Corn borer, also known as bore worms, is the main pests of corn, often young stems and leaves drilled into biting, damage stem and leaf tissue, nutrients and water can not be transported, affecting the growth of corn, ear after heading into the ear Broken ears affect pollination. Prevention and treatment methods When the rate of harmful plants in the field reaches 10%, each