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《Seed》 1992-01
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Study on The Main Decision Selection Criteria and Lts Parameters in Cultlivar Regional Tests——Ⅳ.Quantitative classification of parameters and the classification of cultivars in regional tests

Li Liangbai (Zigong Agricultural Research Institute,Sichuan,643000)  
According to the theoretic distribution of variates,the quantitative classification of b value and c.v.value parameters was performedas well as the tabular culculation in favor of papularization and extention at present are suggested.On that bassis,the classification systemon bassis of quality properties according to quantitative value are provided for criteria of main productive potential of cultivars in regionaltests.The more complete and exact collective conclusion model in regional test that can avoid interfering by subjectivity and followingone's inclination are suggested,as well as application with example are explained.
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