Genetic potential of common bean parents for plant architecture improvement

In common bean (Phaseolus vulgaris L.) breeding, plant selection that associate erect plant architecture, high yield, and grains with good commercial acceptance has been the choice of breeders. Thus, this study aimed to evaluate potential parents, to obtain promising segregating populations that ass...

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Main Authors: Vanessa Maria Pereira e Silva, Pedro Crescêncio Souza Carneiro, José Ângelo Nogueira de Menezes Júnior, Vinícius Quintão Carneiro, José Eustáquio de Souza Carneiro, Cosme Damião Cruz, Aluizio Borém
Format: Article
Language:English
Published: Universidade de São Paulo 2013-06-01
Series:Scientia Agricola
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000300005
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author Vanessa Maria Pereira e Silva
Pedro Crescêncio Souza Carneiro
José Ângelo Nogueira de Menezes Júnior
Vinícius Quintão Carneiro
José Eustáquio de Souza Carneiro
Cosme Damião Cruz
Aluizio Borém
author_facet Vanessa Maria Pereira e Silva
Pedro Crescêncio Souza Carneiro
José Ângelo Nogueira de Menezes Júnior
Vinícius Quintão Carneiro
José Eustáquio de Souza Carneiro
Cosme Damião Cruz
Aluizio Borém
author_sort Vanessa Maria Pereira e Silva
collection DOAJ
description In common bean (Phaseolus vulgaris L.) breeding, plant selection that associate erect plant architecture, high yield, and grains with good commercial acceptance has been the choice of breeders. Thus, this study aimed to evaluate potential parents, to obtain promising segregating populations that associate high yield, erect plant architecture and carioca grain type, as well as to obtain information on heterosis, general and specific combining ability of these parents regarding grain yield and traits related to plant architecture. Fourteen common bean lines were crossed under a partial diallel scheme. Group 1 was composed by eight erect plant lines and group 2 by six carioca grain type lines. The F1's plants from the crosses and the 14 parents were evaluated during spring (Mar. sowing) for plant architecture grade, diameter of the hipocotyl, plant mean height, and grain yield. Predominance of additive effects was observed for plant architecture grade and diameter of the hypocotyls. For grain yield and plant mean height, there was a greater contribution of the dominance effects. Thus, selection of erect plants, with a larger diameter of the hypocotyl can be carried out in early generations; while for grain yield and plant mean height, it must be delayed, preferably, to later generations.
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spelling doaj.art-50cab2b524784a909c5c50a3462747922022-12-22T00:43:00ZengUniversidade de São PauloScientia Agricola0103-90161678-992X2013-06-01703167175Genetic potential of common bean parents for plant architecture improvementVanessa Maria Pereira e SilvaPedro Crescêncio Souza CarneiroJosé Ângelo Nogueira de Menezes JúniorVinícius Quintão CarneiroJosé Eustáquio de Souza CarneiroCosme Damião CruzAluizio BorémIn common bean (Phaseolus vulgaris L.) breeding, plant selection that associate erect plant architecture, high yield, and grains with good commercial acceptance has been the choice of breeders. Thus, this study aimed to evaluate potential parents, to obtain promising segregating populations that associate high yield, erect plant architecture and carioca grain type, as well as to obtain information on heterosis, general and specific combining ability of these parents regarding grain yield and traits related to plant architecture. Fourteen common bean lines were crossed under a partial diallel scheme. Group 1 was composed by eight erect plant lines and group 2 by six carioca grain type lines. The F1's plants from the crosses and the 14 parents were evaluated during spring (Mar. sowing) for plant architecture grade, diameter of the hipocotyl, plant mean height, and grain yield. Predominance of additive effects was observed for plant architecture grade and diameter of the hypocotyls. For grain yield and plant mean height, there was a greater contribution of the dominance effects. Thus, selection of erect plants, with a larger diameter of the hypocotyl can be carried out in early generations; while for grain yield and plant mean height, it must be delayed, preferably, to later generations.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000300005Phaseolus vulgaris L.general and specific combining abilitypartial diallelquantitative genetics
spellingShingle Vanessa Maria Pereira e Silva
Pedro Crescêncio Souza Carneiro
José Ângelo Nogueira de Menezes Júnior
Vinícius Quintão Carneiro
José Eustáquio de Souza Carneiro
Cosme Damião Cruz
Aluizio Borém
Genetic potential of common bean parents for plant architecture improvement
Scientia Agricola
Phaseolus vulgaris L.
general and specific combining ability
partial diallel
quantitative genetics
title Genetic potential of common bean parents for plant architecture improvement
title_full Genetic potential of common bean parents for plant architecture improvement
title_fullStr Genetic potential of common bean parents for plant architecture improvement
title_full_unstemmed Genetic potential of common bean parents for plant architecture improvement
title_short Genetic potential of common bean parents for plant architecture improvement
title_sort genetic potential of common bean parents for plant architecture improvement
topic Phaseolus vulgaris L.
general and specific combining ability
partial diallel
quantitative genetics
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000300005
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AT viniciusquintaocarneiro geneticpotentialofcommonbeanparentsforplantarchitectureimprovement
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