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《Acta Agronomica Sinica》 2000-01
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Genetic Models with Additive-dominance-maternal Effects and Monte Carlo Simulation Analysis for Three-way and Four-way Crosses

XU Zi-Cheng ,ZHU Jun (Department of Agronomy, Zhejiang University, Hangzhou, Zhejiang 310029)  
According to the principles of general genetic model and based on the mating designs of three-way and four-way crosses, two ADM models, one for 3-way crosses and the other for 4-way crosses were proposed for the analysis of additive, dominance and maternal effects. Components of genetic effects in different environments were derived for different generations. Monte Carlo simulations were conducted for analyzing ADM models of 3-way and 4-way crosses including different generations by using MINQUE (1) method. When two generations, parents and F, of 3-way or 4-way crosses were employed for the ADM models, estimation of variance components and prediction of genetic effects could be obtained without bias. When three generations including F1 of single cross were used, the estimated efficiency of dominance and other items could be improved. The prediction of genetic behaviors of 3-way and 4-way crosses by single crosses was also discussed.
【Fund】: 国家自然科学基金
【CateGory Index】: Q943
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