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《Journal of Gansu Forestry Science and Technology》 2003-03
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Study on Correlative Regression Forecast Between Weight of Pupa and Number of Ovum of Apocheima cinerarius

FENG Jiansen1, SONG Yun2,Shi Zhiyi3, HAN Xiaofeng1, ZHANG Haihong1 (1 Forest pest and Disease Management & Quarantine Station of suzhou district of Jiuquan City, Jiuquan 735000; 2Zuojia Forest Farm of Xiaolongshan Forestry Experimental Bureau, Liangdang 742400 china; 3 Forest Pest and Disease Management & Quarantine Station of Ganbsu Province, Lanzhou 730050)  
The correlative regression forecast was conducted, of weight of pupa (x) and number of ovum (y) of Apocheima cinerarius, a kind of leafeaten woods pest occurred in Hexi corridor seriously, and its regression equation is y=-76740 5+1 204250 8x and correlative coefficient is r=0945 9
【CateGory Index】: S433.4
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