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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Homeostasis of common bean populations with different genetic structures.
Autores:  BRUZI, A. T.
RAMALHO, M. A. P.
ABREU, Â. de F. B.
FERREIRA, D. F.
SENA, M. R.
Data:  2007-10-22
Ano:  2007
Palavras-chave:  Feijão
Phaseolus vulgaris
Melhoramento genético vegetal
Resumo:  Eight lines of common bean, a mixture in equal proportions (MP) and the F2 generation of the multiple hybrids (MH) between them were analyzed to verify whether they differ in homeostasis and phenotypic plasticity. The experiments were conducted in 20 environments (seasons and locations) from November 2004 to December 2005, in Alto Paranaíba and the south of Minas Gerais state. Based on the mean yield of the environments the stability was evaluated by the ecovalence values (Wi 2). To estimate the repeatability of the stability parameters the 20 environments were separated in two groups of 10, simulating 1000 possibilities. The MH and MP were the most stable. Nevertheless, high stability was also identified in some pure lines. The repeatability of mean grain yield (rk 2=0.73) was higher than Wi 2 (rk 2=0.18). The chances of success of selection for the smallest contribution to the G x E interaction are small.

2007
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  26101

http://www.alice.cnptia.embrapa.br/handle/doc/215829

http://ainfo.cnptia.embrapa.br/digital/bitstream/item/30631/1/CBABv7n2Bruzi.pdf
Editor:  Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 7, n. 2, p. 111-116, June 2007.
Relação:  Embrapa Arroz e Feijão - Artigo em periódico indexado (ALICE)
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