论文部分内容阅读
玉米螟是玉米的重要虫害之一。2016年山河农场玉米螟发生较重,秋季收获时掉棒现象较重,主要是2016年山河农场区域内夏季严重干旱,有利于玉米螟的发生。玉米螟随着玉米的成熟,逐渐向玉米棒轴水分较大的地方移动,啃食玉米棒与秸秆连接的部位,造成玉米棒一碰就掉的现象。对粮食产量有一定的影响。本文总结去年喷施防治玉米螟药剂的时期,与今年防治进行对比,期望寻求最佳的防治玉米螟时期,确定防治措施,为
Corn borer is one of the important pests of corn. In 2016, the maize borer was heavier in Shanhe Farm and fell off during harvest in autumn, which was mainly caused by the severe summer drought in the Shanhe farm in 2016, which was in favor of the occurrence of maize borer. Corn borer as corn mature, and gradually move to the larger parts of the shaft of corn cob, eating corn cob and straw connected to the site, resulting in a corn cob fell off phenomenon. Have a certain impact on grain output. This article summarizes the spraying of corn borer last year, the era of control, compared with this year's prevention and control, looking forward to the best during the prevention and control of corn borer, to identify control measures for