欢迎访问中国生物防治学报,今天是

中国生物防治学报 ›› 2015, Vol. 31 ›› Issue (6): 830-835.DOI: 10.16409/j.cnki.2095-039x.2015.06.003

• 研究论文 • 上一篇    下一篇

花绒寄甲寄生松褐天牛的关键环境因子研究

唐艳龙1, 高尚坤1, 张彦龙1, 杨忠岐1, 路纪芳2, 展茂魁2, 王健2   

  1. 1. 中国林业科学研究院森林生态环境与保护研究所/国家林业局森林保护学重点实验室, 北京 100091;
    2. 遵义市林业科学研究所, 遵义 563000
  • 收稿日期:2015-03-16 出版日期:2015-12-08 发布日期:2015-12-17
  • 通讯作者: 杨忠岐
  • 作者简介:唐艳龙(1982-),男,博士,助理研究员,E-mail:15120086160@163.com
  • 基金资助:
    国家自然科学基金重点项目(31230015);国家“863”计划(2012AA101503)

Key Environmental Factors Affecting Parasitism of Monochamus alternatus Hope by Dastarcus helophoroides Fairmaire

TANG Yanlong1, GAO Shangkun1, ZHANG Yanlong1, YANG Zhongqi1, LU Jifang2, ZHAN Maokui2, WANG Jian2   

  1. 1. Key Laboratory of Forest Protection of State Forestry Administration/Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China;
    2. Zunyi Institute of Forestry, Zunyi 563000, China
  • Received:2015-03-16 Online:2015-12-08 Published:2015-12-17

摘要: 为了明确林间影响花绒寄甲Dastarcus helophoroides(Fairmaire)寄生率的关键环境因子,本文在试验地不同位置设置诱木引诱松褐天牛Monochamus alternatus Hope成虫产卵,并在诱木上释放花绒寄甲成虫,之后调查诱木的生长环境及诱木上花绒寄甲的寄生率,并对各环境因子与花绒寄甲寄生率进行逐步回归分析,筛选出关键环境因子。结果表明,花绒寄甲寄生率(Y)与坡位(X5)呈显著正相关关系,与主林层郁闭度(X8)呈显著负相关关系,依此建立多元回归模型:Y=0.4146+0.5741X5―0.4382X8。经检验,平均差异程度为0.2209。因此,可试用该模型对花绒寄甲寄生率进行评估。以上研究为释放花绒寄甲防治松褐天牛提供参考。

关键词: 花绒寄甲, 松褐天牛, 寄生率, 环境因子

Abstract: Dastarcus helophoroides (Fairmaire) is an important parasitoid of Monochamus alternatus Hope in China, but shows varying parasitism depending on the microenvironment. The influence of key environmental factors on parasitism by D. helophoroides was investigated. Fifteen environmental factors of 65 plots were surveyed, and the data were related to parasitism rate by stepwise regression analysis. The results showed that there was a significant positive correlation between slope position and parasitism rate, and a significant negative correlation between crown density and parasitism rate. Using these two key factors, a multiple regression model was established for forecasting the parasitism by D. helophoroides. The average difference degree was detected to be 0.2209, which indicates the model is suitable for forecasting the parasitism rate. These studies provide a basis for releasing the parasitoid to control the longhorn beetles.

Key words: Dastarcus helophoroides, Monochamus alternatus, parasitism, environmental factors

中图分类号: