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Common bean breeding to improve red grain lines

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Author(s): José Ângelo Nogueira de Menezes Júnior | José Eustáquio de Souza Carneiro | Vanessa Maria Pereira e Silva2, | Lêlisângela Carvalho da Silva | Luiz Alexandre Peternelli | Pedro Crescêncio Souza Carneiro

Journal: Crop Breeding and Applied Biotechnology
ISSN 1518-7853

Volume: 11;
Issue: 1;
Start page: 50;
Date: 2011;
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Keywords: Phaseolus vulgaris L. | recurrent selection | selection within families | red bean.

ABSTRACT
The purpose of this study was to evaluate the performance potential of red bean lines, derived from populations ofthe first cycle of recurrent selection in the common bean breeding program of the Federal University of Viçosa, Minas Gerais. In theF3:5, F3:6 and F3:7 generations, 243 families from 18 segregating populations were evaluated. These families were conducted by thebulk-within-families method and from the best, 154 lines were obtained and evaluated in the dry season of 2006 (F7: 9) and of 2007(F7: 10), Coimbra - MG. The estimates of genetic and phenotypic parameters revealed variability among families. The method bulkwithin F3-derived families proved useful for bean breeding. The most promising lines that may be included in future tests of valuefor cultivation and use (VCU), and will possibly be recommended for planting in the state of Minas Gerais, were derived from thepopulations Vermelhinho/AN9022180//Vermelhinho/Vermelho2157, Vermelhinho//Vermelhinho/ IAPAR81,Vermelhinho/LR720982//Vermelhinho/AB136 and Vermelhinho/AB136//Vermelhinho/ Vermelho2157.
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