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《Hubei Agricultural Sciences》 2007-02
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Structure and Control on High Yield Population of Hybrid Rice D-you 3232 in System of Rice Intensification(SRI)

XIE Bi-Wu1,ZHANG Jia2,YAN Cheng-Xing2,HUANG Ren-Jun2(1.Chongqing Three Gorges Vocational College,Wanzhou 404001,Chongqing,China; 2.Agricultural Science Institute of Chongqing Three Gorges,Wanzhou 404001,Chongqing,China)  
The paper performed Regression analysis and Path analysis on the yield(Y)as the dependent variable and effective panicle number(x1)、total grain of per ear(x2)and grain setting rate(x3)as independent variables in the system of rice intensification(SRI).The result showed that,the efective panicle number、total grain of per ear and grain setting rate were positively correlated with the yield.Three factors contribute to the yield was arranged from big to small:total grain of per ear,efective panicle number and grain setting rate.The grain number of panicle is the key factor of the D3232 population under the system of rice intensification(SRI).The main technical route of high yield population structure of D3232 under the system of rice intensification(SRI).
【Fund】: 国家科技部“三峡库区优质稻产业化综合技术开发”资助项目(K2000-09-04)
【CateGory Index】: S511.21
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