东亚飞蝗暴发原因与治理对策

Analysis on the outbreak of Locusta migratoria manilensis and its control strategies

概述了近年来东亚飞蝗发生范围广、面积大、程度重、发生期不整齐、暴发频率高的特点;分析了暴发的原因主要是虫源基数较高、孳生场所扩大、气象条件有利、自然控害作用下降、资金投入不足及防治能力不够等;并从治理方针、策略、战术、技术上,提出了东亚飞蝗的治理对策。

The occurring characteristics of Locusta migratoria manilensis in recent years were generalized as t he follow-ing:wide range,large area,serious injury,overlap for generations and high frequency of outbreak.It was an alyzed in this paper that the outbreak of thi s pest were mainly based on the initia l large population in the spring,extension of breeding place,opportune weather,weakness of natural control and sh ortage of funds input from governmen t for the control.The strategies of its ma nagement were proposed in considera tion of policy,tactic and technology.