摘要
[目的]评估松材线虫病在吉安市的危害度,为科学制定松材线虫病的防控对策提供参考。[方法]运用危害度定性和定量分析方法,对影响吉安市松材线虫病发生的寄主植物、媒介昆虫和气候等主要因素进行分析和评估。[结果]松材线虫病对吉安市的林业生产和林业经济发展具有极大的危害性,危害度D为2.42,其中,温湿度条件对松材线虫病的发生影响较大,特别是在夏季降雨量小,平均气温超过25.0℃的条件下非常有利于松材线虫病的发生和传播。[结论]在高温少雨的季节应加强对松材线虫病的监控与防治。
[Objective] The aim was to evaluate the harm degree of Bursaphelenchus xylophilus in Ji＇an City and provide reterence for scientific prevention and control countermeasures.[Method] By using the qualitative and quantitative research methods of harm degree,the main factors （hosts,medium insects and climate conditions） influencing occurrence of B.xylophilus in Ji＇ an City were analyzed and evaluated.[Result] The harm degree was 2.42,indicating that B.xylophilus had high hazard to forestry production and forestry economic development in Ji＇ an.Among the factors which influenced the index,the conditions of temperature and humidity were very important,especially less rainfall and average temperature over 25 ℃ in summer were very advantageous to the breeding and spread of B.xylophilus.[Conclusion] The monitoring and control of B.xylophilus should be strengthened in high temperature and less rain season.
出处
《安徽农业科学》
CAS
2016年第11期190-192,216,共4页
Journal of Anhui Agricultural Sciences
基金
江西省教育厅科技项目(GJJ13278)
关键词
松材线虫
危害度
评估
吉安市
Bursaphelenchus xylophilus
Harm degree
Evaluation
Ji＇an City
