渭南市花椒窄吉丁虫危害风险分析

Risk Analysis of Damage Caused by Agrilus zanthoxylumi in Weinan City

花椒窄吉丁虫是危害花椒的主要害虫。通过对该虫的生物学特性、分布与管理、扩散蔓延的可能性、危害影响和检疫防治的难度等5个方面的分析,依据林业有害生物风险分析原则,利用有害生物多指标评价体系,对花椒窄吉丁虫在渭南市的危害风险进行了评估。在定性和定量风险分析的基础上,计算得出风险评估值(R=1.23),属低度危险有害生物,并提出花椒窄吉丁虫的防治办法,为花椒经济林的丰产管理提供参考。

Agrilus zanthoxylumi is a major pest which damaged Zanthoxylum bungeanum.Biological characteristics,distribution and management of the insects,the possibility of proliferation and spread,the impact of harm and the difficulty of quarantine and eradication were analyzed.According to the principle of forestry pest risk analysis,the risk of Zanthoxylum bungeanum in Weinan City was evaluated by adopting multi-index evaluation system of pests.Through the qualitative and quantitative analysis,the risk assessment valu （R=1.23） was obtained by counting,which is a low risk dangerous creature;it can provide reference for managing Zanthoxylum bungeanum economic forest.