SciELO - Scientific Electronic Library Online

vol.43 issue3Genetic divergence in populations of maize, in Tocantins State, BrazilCultivation of cassava and beans in intercropping systems held in Coimbra in the State of Minas Gerais, Brazil author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Revista Ciência Agronômica

On-line version ISSN 1806-6690


KRAUSE, Willian; RODRIGUES, Rosana  and  LEAL, Nilton Rocha. Combining ability for agronomic traits in snap bean. Rev. Ciênc. Agron. [online]. 2012, vol.43, n.3, pp.522-531. ISSN 1806-6690.

To develop a plant breeding program, information about parentals per se performance and also about genotypes combining ability is an important step. Crosses involving snap and common beans are usual in breeding snap beans since both belong to the same species and many times common beans genotypes have interesting traits to be transferred to snap beans. The aim of this work was to evaluate the combining ability among four snap beans and one common bean genotypes considering agronomic traits. The genotypes were chosen based on genetic divergence and desirable agronomic traits. Crosses in a complete diallel without reciprocals design were performed. Eight agronomic traits were evaluated under field conditions from November 2007 to February 2008, in a randomized block design, with four replications, in Tangará da Serra, Mato Grosso, Brazil. The parents 'UEL 1' and 'Novirex' had the best performance and were indicated to start breeding programs aiming to develop promising populations. The combinations 'Manteiga Baixo' x 'Novirex' and 'Manteiga Baixo' x 'UEL 1' had the best results considering Specific Combining Ability. Yet, these combinations were originated from 'UEL 1' and 'Novirex', the two parents with superior General Combining Ability and also the best mean values.

Keywords : Phaseolus vulgaris; Diallel analysis; Vegetable breeding.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf epdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License