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玉米螟在静宁县60年代偶有发生,现已成为玉米的主要害虫。一代猖撅成灾,二代局部发生,准确预测一代玉米螟的发生量,是经济防治的关键。 笔者对本县农技中心植检站1980—1987
Corn borer Occasionally Occurred in Jingning County in the 1960s and has now become the major pest of corn. The first generation of rampant disaster, the second generation of local occurrence, accurate prediction of the generation of corn borer is the key to economic control. The author of this county agricultural center phytosanitary station 1980-1987