辽阳地区林业危险性有害生物杨树烂皮病风险分析
Risk Analysis of a Kind of Forest Risk Pest Valsa sordida Nit Cytospora spp in Liaoyang
范大庆1
作者信息
- 1. 辽宁省灯塔市森病虫害防治检疫站,辽宁灯塔 111300
- 折叠
摘要
参照国际上林业有害生物危险性分析(Pest Risk Analysis,简称PRA)方法,从有害生物的分布状况、定殖和扩散的可能性、潜在的危害性、寄主植物的经济重要性以及危险性的管理难度等方面进行定性和定量分析,对杨树烂皮病的危险性做出综合评价,其风险评估值(R)为1.49.评价结果表明,杨树烂皮病在辽阳地区属中度危险性的林业有害生物,具有扩散蔓延的危险,对绿化、农田林网、防护林体系构成较大的威胁,应积极采取有效措施除治.
Abstract
Referring to the international forest pest risk analysis method,qualitative and quantitative analysis with distribution status, the possibility of colonization and diffused, potentially hazardous and the economic importance and risk of host plant.The conclusion was obtained by the comprehensive evaluation of the risk of Valsa sordida Nit Cytospora spp, the risk assessment value (R) was 1.49.Evaluation results showed Valsa sordida Nit Cytospora spp belonged to intermediate risk forestry pest of Liaoyang.On greening, farmland shelter belts, protection forest system poses a greater threat, we should took effective measures to cure actively because Valsa sordida Nit Cytospora spp was diffuse dangerous.
关键词
有害生物/杨树烂皮病/风险性分析Key words
Pest/Valsa sordida Nit Cytospora spp/Risk analysis引用本文复制引用
出版年
2017
国家科技期刊平台
NSTL
维普
万方数据