Avaliação dos componentes da produtividade de grãos em feijão de grãos especiais

Ribeiro, Nerinéia Dalfollo; Domingues, Lucas da Silva; Zemolin, Allan Emanoel Mezzomo

doi:10.15361/1984-5529.2014v42n2p178-186

Cited by 15 publications

(15 citation statements)

References 8 publications

(15 reference statements)

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“…The X, Y, and Z primary components have positive and strong genetic and phenotypic correlations with grain yield (Cabral et al, 2011;Zilio et al, 2011;Ribeiro et al, 2014), an observation that was supported by the results of the current study (Table 3). However, the correlations were negative or weak between X and Y, X and Z, and Y and Z.…”

Section: Discussionsupporting

confidence: 87%

Geometry applied to breeding common beans (Phaseolus vulgaris)

Lima

Ramalho

2016

Genet. Mol. Res.

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ABSTRACT. The primary components of common bean (Phaseolus vulgaris) grain yield (W) are the number of pods (X), the number of grains per pod (Y), and the weight of the grains (Z). In 1964, Grafius suggested using geometry in plant breeding; W corresponds to the volume of a parallelepiped with three axes, X, Y, and Z. Because the cube is the largest parallelepiped by volume, maximum yield is obtained when the relative contributions of X, Y, and Z are the same. We evaluated individual plants of a 'Talismã' x 'L.59583' cross in two sowing periods. The sum of squares of deviations from the ideal plant (GI), i.e., the plant in which the X, Y, and Z contributions were the same, was estimated. Mean and variance genetic components, and genetic and phenotypic correlations between the characteristics were also estimated. Good concordance was observed in the magnitude and direction of the genetic and phenotypic correlation estimates of the paired characteristics. However, a low GI heritability (h 2 r = 6.7%) indicated that success due to selection should be small. Ninety-four progenies of 'Pérola' x 'ESAL 686' crosses were also evaluated, where X, Y, Z, and W were obtained and GI was estimated. The h 2 estimate was higher, but still low (h 2 = 39.0%). Therefore, the selection of individuals to obtain plants in which the X, Y, and Z products tend to the cube is unfeasible, because the sums of X, Y, and Z vary between individuals. In addition, the GI h 2 value was low.

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Section: Discussionsupporting

confidence: 87%

Geometry applied to breeding common beans (Phaseolus vulgaris)

Lima

Ramalho

2016

Genet. Mol. Res.

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“…Common bean cultivars presented a number of pods per plant, ranging from 3.7 (Carioca, 2013 rainy season) to 30.7 (IPR Graúna, 2010 rainy season) (Table 6). These values were above the ones observed in experiments of common bean cultivars competition carried out in different seasons, years, and growing locations (ZILIO et al, 2011;115 Combined selection in beans… RIBEIRO, N. D. et al RIBEIRO et al, 2014b;MAMBRIN et al, 2015). Therefore, the common bean cultivars present genetic variability for the number of pods per plant, which enables the selection of superior cultivars for this trait.…”

Section: Brs Expeditomentioning

confidence: 83%

Combined selection in beans for cycle, plant architecture and grain yield

Ribeiro¹,

Kläsener²,

Mezzomo³

et al. 2018

Biosci. J.

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The selection of common bean cultivars for high agronomic performance can be difficulty by genotype x environment interaction. The objectives of this work were to evaluate if common bean cultivars differ for cycle, plant architecture and grain yield in different growing seasons, and to select early, upright and highly grain yield common bean cultivars, by the use of selection index. For this, five experiments were conducted in the randomized blocks design, with three replicates. A total of 26 common bean cultivars were evaluated and the multiplicative index was used to select superior cultivars. A significant cultivar x season interaction for flowering, cycle, insertion of the first pod, insertion of the last pod, number of pods per plant and grain yield was observed. The common bean cultivars have early or semiearly cycle in rainy season and upright plant architecture. The cultivars Macanudo, BRS Campeiro, IAPAR 81, and IPR Juriti presented high grain yield in most growing seasons. The four superior common bean cultivars selected by the multiplicative index were BRS Campeiro, Macanudo, IPR Juriti, and Guapo Brilhante. The cultivars BRS Campeiro, Macanudo, and IPR Juriti presents earliness, upright plant architecture, and high grain yield and will be selected for the breeding program.

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“…In common bean, several studies report an interaction of genotype x sowing season, especially for grain yield (Lima et al, 2014;Ferreira et al, 2015). There are also reports of the genotype x environment interaction for other traits of common bean, including some pods per plant, grain per pod, and grain weight (Ribeiro et al, 2014). Although an interaction has occurred, the most significant results were concordant between generations/ seasons, and for this reason, emphasis on discussion of results will be directed to what occurred in the average of three generations.…”

Section: Discussionmentioning

confidence: 99%

Research Article Genetic control of number of flowers and pod set in common bean.

Martins¹,

Júnior

Abreu

et al. 2017

Genet. Mol. Res.

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ABSTRACT. This article aimed to study the genetic control of some flowers and pod set of common bean and to verify if its estimate varies with environmental conditions and gene pool. A complete diallel was used among six lines, but no reciprocal ones. The treatments were evaluated in three harvests/generations -F 2 , F 3 , and F 4 -in 2015/2016, in a randomized complete block design with four replications. The plot consisted of 3 lines with 4 m. In the center line, a receptacle to collect the aborted flowers/pods was placed. The traits considered were the number of flowers/plant (N), the percentage of pod set (V), and the production of grain/plant (W). A joint diallel analysis was performed, and the correlations between N, V, and W were estimated. N was 31.9 on average, and V was 40.4%. The average of Mesoamerican parents, for N and V, was higher than for Andean. Specific combining ability explained most of the variation for N, evidencing predominance of dominance effect. For V, specific combining ability was slightly lower than general combining ability, indicating additive loci and also dominance effects. These two traits were very influenced by environment and should be considered a strategy for greater grain yield stability of common bean.

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Avaliação dos componentes da produtividade de grãos em feijão de grãos especiais

Cited by 15 publications

References 8 publications

Geometry applied to breeding common beans (Phaseolus vulgaris)

Geometry applied to breeding common beans (Phaseolus vulgaris)

Combined selection in beans for cycle, plant architecture and grain yield

Research Article Genetic control of number of flowers and pod set in common bean.

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