论文部分内容阅读
玉米红蜘蛛即截形叶螨,主要在玉米叶背面活动,卵散产在叶背中脉的两侧,5月上旬出土为害玉米下部叶片,逐渐向上部叶片移动。当被害叶片失绿干枯后,即转移到另外绿色叶片上为害,使植株提早枯死。玉米红蜘蛛的危害逐年严重,给人们心理上造成了恐惧,所以研究玉米红蜘蛛防治措施是十分必要的。一、农业防治1.选用优良品种,实行轮作换茬,玉米最好不要连作三年。
Maize spider mite truncated spider mite, mainly in the back of the maize leaves activity, the eggs scattered in the leaves on both sides of the veins, maize unearthed in early May lower leaves, and gradually move to the upper leaves. When the victim leaves green after drying, that is transferred to another green leaves on the damage, so that plants die early. The harm of corn spider mines has been serious year by year, which has caused people’s psychological fear. Therefore, it is necessary to study the prevention and treatment of corn spider mites. First, the prevention and treatment of agriculture 1. Selection of fine varieties, the rotation crop rotation, corn is best not to even for three years.