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Published online 21 November 2006
Published in Crop Sci 46:2654-2665 (2006)
© 2006 Crop Science Society of America
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Right arrow Biometrics

A Bayesian Approach for Assessing the Stability of Genotypes

José Miguel Cotesa, José Crossab,*, Adhemar Sanchesc and Paul L. Corneliusd

a Dep. de Ciencias Agronómicas, Facultad de Ciencias Agropecuarias, Univ. Nacional de Colombia, Calle 59A No 63– 20 B11 101-07, Medellín, Colombia
b Biometrics and Statistics Unit, International Maize and Wheat Improvement Center (CIMMYT), Apdo. Postal 6-641, 06600, Mexico DF, Mexico
c Faculdade de Ciências Agrárias e Veterinárias, Univ. Estadual Paulista ’Julio de Mesquita Filho’ Câmpus de Jaboticabal, Via de Acesso Prof.Paulo Donato Castellane s/n 14884-900 Jaboticabal, SP, Brazil
d Dep. of Plant and Soil Sciences and Dep. of Statistics, Univ. of Kentucky, Lexington, KY 40546-0312, USA


Figure 1
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Fig. 1. Estimated densities for potato METs: (a) Prior density of Shukla's variance for genotypes G1 through G11; (b) Prior density of genotypic means (Mg ha–1) for genotypes G1 through G11; (c) Posterior density of Shukla's variances for genotypes G1 through G5; (d) Posterior density of Shukla's variances for genotypes G6 through G11; (e) Posterior density of genotypic means (Mg ha–1) for genotypes G1 through G5; (f) Posterior density of genotypic means (Mg ha–1) for genotypes G6 through G11.

 

Figure 2
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Fig. 2. Estimated densities for potato METs: (a) Prior density of genotypic means (Mg ha–1) for check genotypes G12 through G15; (b) Prior density of Shukla's variances for check genotypes G12 through G15; (c) Posterior density of the genotypic means (Mg ha–1) for check genotypes G12 through G15; (d) Posterior density of Shukla's variances for check genotypes G12 through G15.

 

Figure 3
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Fig. 3. Estimated densities for wheat METs: (a) Prior density of Shukla's variance for genotypes G1 through G5; (b) Prior density of Shukla's variance for genotypes G5 through G10; (c) Prior density of genotypic means (Mg ha–1) for genotypes G1 through G5; (d) Prior density of genotypic means for genotypes G5 through G10; (e) Posterior density of Shukla's variance for genotypes G1 through G5; (f) Posterior density of Shukla's variance for genotypes G5 through G10; (g) Posterior density of genotypic means (Mg ha–1) for genotypes G1 through G5; (h) Posterior density of genotypic means (Mg ha–1) for genotypes G5 through G10.

 

Figure 4
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Fig. 4. Estimated densities for maize METs: (a) Prior density of Shukla's variance for genotypes G1 through G9; (b) Prior density of the genotypic means (Mg ha–1) for genotypes G1 through G9; (c) Posterior density of Shukla's variance for genotypes G1 through G5; (d) Posterior density of the Shukla variance for genotypes G6 through G9; (e) Posterior density of genotypic means (Mg ha–1) for genotypes G1 through G5; (f) Posterior density of genotypic means for genotypes G6 through G9.

 





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