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›› 1986, Vol. 22 ›› Issue (2): 202-208.

• 研究简报 • 上一篇    下一篇

辽宁省三种松毛虫有效积温的研究

夏瑞心 葛葆蔚 徐丽华 王振威   

  1. 辽宁省林业科学研究所;辽宁省森林病虫害防治站
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1986-05-25 发布日期:1986-05-25

A STUDY ON THE EFFECTIVE ACCUMULATED TEMPERATURE OF THE PINE CATERPILLARS

Xia Ruixin,Ge Baowei,Xu Lihua,Wang Zhenwei   

  1. Forest Research Institute of Liaoning Province;Forest Diseases and Insect Pests Control Station of Liaoning Province
  • Received:1900-01-01 Revised:1900-01-01 Online:1986-05-25 Published:1986-05-25

Abstract: The study on the effective accumulated temperature of the pine caterpillars is a method for the prediction of emergence period. The result of the study is given in the following table.