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近年来,蟋蟀在保护性耕作玉米田中发生日趋加重,为摸清蟋蟀在保护性耕作玉米田中的发生规律和防控技术,我们开展了田间发生量调查和田间防治药剂筛选试验,基本摸清了蟋蟀发生规律,找到了有效防控技术。蟋蟀发生盛期为7月下旬和8月上旬,以还田的小麦秸秆为隐蔽场所,以5、6龄若虫和成虫危害为主,造成玉米缺苗、断垄,严重田块可造成绝产。用80%敌敌畏乳油或48%乐斯本乳油每667m2200ml施药量防治效果较好,还可用翻土灭卵方法和毒铒堆草诱杀方法进行防治。
In recent years, crickets in conservation tillage corn fields occur more and more aggravate. In order to find out the occurrence of crickets in conservation tillage maize field and prevention and control technology, we conducted a field survey and field trials of pesticide screening, basic find out The rules of crickets, found an effective prevention and control technology. Crickets peaked in late July and early August, with wheat straw to hide as a hidden place, to 5, 6 instar nymphs and adult hazards, resulting in maize lack of seedlings, broken ridge, can cause serious block plots . With 80% dichlorvos EC or 48% LEXINE EC per 667m2200ml dosage control effect is better, but also with the method of turning the soil off the eggs and poison bait grass trapping methods for prevention and treatment.