Analysis on Main Climatic Factor Effecting Chemical Control of Dendrolimus tabulaeformis Tsai et Liu with Degree of Relatedness

year-old Dendrolimus tabulaeformis Tsai et Liu have harmed Pinus tabulaeformis in Laofu Forest Farm in Chifeng, which have been controlled by use of 6HYB-25AD(W) fog machine to spray chemical medicine. In this paper, climatic factor related to control of Dendrolimus tabulaeformis Tsai et Liu have been analyzed by use of degree of relatedness.