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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934

Resumo

TOSQUY VALLE, Oscar Hugo et al. Verdín: black bean variety tolerant to drought terminal for Veracruz and Chiapas, Mexico. Rev. Mex. Cienc. Agríc [online]. 2016, vol.7, n.7, pp.1775-1780. ISSN 2007-0934.

In Veracruz and Chiapas, the terminal drought is the most limiting factor abiotic bean production in the system of residual moisture. In 2014, the SEN-70 line was released by the INIFAP as a new variety with the name of Verdín. This variety is tolerant to drought early cycle terminal and adapted to tropical areas of southeastern Mexico. From 2011 to 2013, Verdín was evaluated along with the varieties Black Papaloapan and Black Comapa in 11 environments ofVeracruz and Chiapas, and temporary residual moisture. The average yield ofthe new variety was 1 446 kg ha-1, up 12.8 and 10.2%, that obtained by these varieties. In winter-spring 2013, Verdín was evaluated under irrigation-drought and was selected for its terminal drought tolerance and good grain yield. During 2013 and 2014 with residual moisture, Verdín was evaluated in uniform yield trials in six environments Veracruz and Chiapas (four with drought and two non-drought); the new variety was the most productive; with drought earned an average yield of1 122 kg ha-1, up 49.9 and 41.8% as of the varieties Black Tacanal and Black Jamapa, without moisture stress, yielded 1 844 kg ha-1, up 23.4 and 61.5% to those obtained by the same varieties. Verdín can be grown under conditions of residual and temporary humidity in Veracruz and Chiapas.

Palavras-chave : Phaseolus vulgaris L.; genetic resistance performance; water stress.

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