]*>","")" /> Research on the Complex Damage to Cotton Caused by 1st and 2nd of Generations Helicoverpa armigera Hubner and Its Control Index in Kashi District
Xinjiang Agricultural Sciences

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Research on the Complex Damage to Cotton Caused by 1st and 2nd of Generations Helicoverpa armigera Hubner and Its Control Index in Kashi District

YAO Ju;LI Hao-bin;WANG Wei;ZHANG Ai-xin;WANG Dong   

  • Received:2008-01-25 Revised:2008-01-25 Online:2008-01-25 Published:2008-01-25

喀什棉区第一、二代棉铃虫对棉花的复合危害和防治指标研究

姚举;李号宾;王伟;张爱新;王东   

  1. 新疆农科院植保所,乌鲁木齐,830091;莎车县农业技术推广中心,新疆莎车,844700





摘要： 2007年在新疆喀什地区莎车县利用二次正交旋转组合设计得出新疆喀什地区第一、二代棉铃虫复合为害与产量损失的回归模型,Y=13.402 32+4.650 75 X1+4.999 563 X2+0.624 735 X12+3.876 875 X22-1.93 X1X2.结果显示:一、二代棉铃虫交互作用不明显,得出每代棉铃虫的为害效应模型,一代Y'1=13.402 32+4.650 75X1,二代Y'2=13.402 32+4.999 563X2+3.876 875 X22.根据模型,制定了喀什地区第一、二代棉铃虫的防治指标.