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Revista Ciência Agronômica

versão On-line ISSN 1806-6690

Resumo

ZILIO, Marcio et al. Contribution of the yield components to grain yield of common beans (Phaseolus vulgaris L.) landrace genotypes. Rev. Ciênc. Agron. [online]. 2011, vol.42, n.2, pp.429-438. ISSN 1806-6690.  https://doi.org/10.1590/S1806-66902011000200024.

The objective this work was to verify the relative contribution between yield components and yield of the common bean landraces cultivars. The experiment was carried out with twenty six genotypes of beans under field conditions in the 2008/2009 growing season using randomized block design with three repetitions, where evaluated the yields components and yield in the in the following Santa Catarina countries: Anchieta, Joaçaba and Lages. The unvaried variance test was used and the cropping places were compared by Tukey test and, Scott-Knott test to grouping genotypes. The correlations were done by path analysis. The genotypes evaluated performed differently according to the environment where the tests were done to all characters, with exception to the mass of 100 grains. The indirect selection by mass of 100 grains to yield component isn't a good alternative to genetic progress. But, the selection to pod number per plant, grain per pod and pod loci number can contribute to yield selection.

Palavras-chave : Phaseolus vulgaris; Genotype; Environment; Landrace cultivar; Genetic resources; Stepwise.

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