国外麻疯树主要有害生物种类及其入侵风险分析

The Main Exotic Pests on Jatropha curcas Plantations and Their Invasion Risk Assessment

掌握国外麻疯树主要有害生物种类及其入侵中国的风险性,为保障我国麻疯树种植安全及制定相关有害生物的检疫管理措施提供参考。查阅大量文献资料,并根据有害生物风险性分析(PRA)程序,从国外分布状况、潜在经济危害性、受害寄主的经济重要性、在国内传播扩散的可能性及危险性管理难度等5个方面对各种有害生物进行定性、定量分析,利用最终计算出的R值确定各有害生物的入侵风险等级。结果表明:确定国外麻疯树重要有害生物种类30种,其中特别危险1种,高度危险11种,中度危险16种,轻度危险2种;建议将其中中度危险等级以上的种类列为检疫对象,并制定切实可行的检疫防范措施。

In order to prevent the invasion of exotic pests of Jatropha curcas L.,this paper summarized the main pests of jatropha plantation overseas based on literature reviews,and then conducted their invasion risk assessment according to the quantitative and qualitative analysis of their potential damages.The result showed that there are 30 important pests which were exclusively recorded overseas,including 1 species of very highrisk,11 species of highrisk,16 species of immediaterisk,and 2 species of low risk.It was suggested that all species above the immediate risk level be regulated as the quarantine objects.