Title:	Homeostasis of common bean populations with different genetic structures.
Authors:	BRUZI, A. T. RAMALHO, M. A. P. ABREU, A. de F. B. FERREIRA, D. F. SENA, M. R.
Affiliation:	ADRIANO TEODORO BRUZI, UFLA MAGNO ANTONIO PATTO RAMALHO, UFLA ANGELA DE FATIMA BARBOSA ABREU, CNPAF DANIEL FURTADO FERREIRA, UFLA MARCUS REIS SENA, UFLA.
Date Issued:	2007
Citation:	Crop Breeding and Applied Biotechnology, v. 7, n. 2, p. 111-116, June 2007.
Description:	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.
Thesagro:	Feijão Melhoramento Genético Vegetal Phaseolus Vulgaris
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CNPAF)