云南玉米区域试验点区辨力估算方法的比较研究  

A comparative study on estimating methods of discrimination ability of Yunnan maize regional trial sites for the best genotypes

作　　者：赵自仙[1] 高祥扩[1] 孙家荣 杨克昌[1] 孔建华[1] 范正华[1] 白文睿[1] 

机构地区：[1]云南省农业科学院粮食作物研究所,云南昆明650205 [2]云南金瑞种业有限公司珍禾科技分公司,云南昆明650205

出　　处：《西南农业学报》2005年第2期141-143,共3页Southwest China Journal of Agricultural Sciences

摘　　要：用变异系数法、回归系数法和AMMI模型Dj值法对云南玉米区域试验点区辨力进行了比较研究,结果表明:回归系数法不很有效,变异系数法和AMMI模型法的结论大体相近,但AMMI模型Dj值法相对更准确。Three methods of estimating discrimination of Yunnan maize regional trial sites for the best genotypes, i.e., the method of variation coefficient,regression coefficient and the D_j parameter of AMMI model,were compared in detail. The results showed that regression coefficient was not efficient, the conclusions of another two methods were almost the same in general.But the method of AMMI model was comparatively precise.

关 键 词：区域试验 试点选择 区辨力 AMMI模型 

分 类 号：S513[农业科学—作物学]