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Revista mexicana de ciencias agrícolas

versión impresa ISSN 2007-0934


LOPEZ SALINAS, Ernesto et al. Yield stability of improved mesoamerican genotypes of black common bean in Mexico. Rev. Mex. Cienc. Agríc [online]. 2011, vol.2, n.1, pp.29-40. ISSN 2007-0934.

In Mexico, over 400 000 t of black beans are consumed every year, and the country's production is insufficient, which is why it is also imported. By planting varieties with a higher potential yield tan those used nowadays, greater amounts can be produced, and imports reduced or even avoided. The aim was to establish the yield and adaptability of lines and varieties of Mesoamerican breed of black beans, in different environments in Mexico (one in Chiapas, three in Veracruz, one in Puebla, one in the State of Mexico, two in Guanajuato, one in Tamaulipas, two in Durango, one in Zacatecas, one in Nayarit and two in Sinaloa) in 2008. The experiment was set up in a 4*4 lattice design with four repetitions, in fields of four five-meter long furrows, separated by 0.76 m. During the trials, diverse agricultural characteristics were determined, including yield. With the yield data, a combined analysis was performed (environments-genotypes) and the stability parameters were estimated using the main additives effect and multiplicative interaction model. Highly significant differences were found (p< 0.01) between environments, genotypes and the interaction of both factors. The environments explained variance (59%) further, in comparison to the environment*genotype (23%) interaction and genotype (7%). The highest yields were obtained in Mazatlán, Sinaloa and Durango, Durango, whereas the lowest was found in Guasave, Sinaloa. The Negro Papaloapan variety displayed the highest average yield of 1.4 t ha-1 and presented a reduced interaction with the test environments.

Palabras llave : Phaseolus vulgaris L.; adaptability; genotypes; selection.

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