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黑龙江省玉米种植面积已超过533万hm2,玉米螟常年发生面积达313万hm2,但防治面积仅为93万hm2。防治面积小原因除了农户防治意识淡薄外,主要还是没有有效的防治药剂和施药机械。为了探索新型防治药剂,
Heilongjiang Province corn acreage has more than 5330000 hm2, corn borer perennial area reached 3130000 hm2, but the control area is only 930000 hm2. In addition to prevention and control of small area of prevention and control of small farmers, there is no effective prevention and treatment of pesticides and pharmaceutical machinery. In order to explore new preventive medicine,