Mineração da interação genótipo x ambiente em Phaseolus vulgaris L. para o Estado de Santa Catarina

Bertoldo, Juliano Garcia; Elias, Haroldo Tavares; Hemp, Silmar; Vale, Naine Martins do; Toaldo, Diego; Rocha, Fabiani da; Barili, Leiri Daiane; Garcia, Soraya Helena; Guidolin, Altamir Frederico; Köpp, Maurício Marini

doi:10.1590/s0103-84782008005000069

Cited by 10 publications

(6 citation statements)

References 16 publications

(11 reference statements)

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“…Essa restrição é imposta tanto pelo agricultor quanto pelo consumidor, pois toda a cadeia produtiva do feijão tem preferência por um ideótipo de grão e planta determinado, representando, assim, um gargalo na variabilidade genética dessa cultura (COIMBRA et al, 2009 (PIEPHO et al, 2012). A diferença existente entre a média dos dois ambientes extremos foi de 1741kg ha -1 , isso justifica a grande divergência entre os ambientes e a importante influência destes sobre a expressão do caráter.…”

Section: Resultsunclassified

Reflexo da interação genótipo x ambiente sobre o melhoramento genético de feijão

et al. 2015

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Section: Resultsunclassified

Reflexo da interação genótipo x ambiente sobre o melhoramento genético de feijão

et al. 2015

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“…Little contribution of genotype to the cooking time and major contributions related to the effects of storage time and storage conditions were observed by other authors (MORAIS et al, 2010). This lack of genotypic variation could be a consequence of the narrowing of the genetic base by bean breeding programs in Brazil; especially at the end of the highly productive genotypes selection process (COIMBRA et al, 2009) resulting in low contribution of the genotype to characteristics such as cooking time regardless of the commercial group to which the seeds belong.…”

Section: Resultsmentioning

confidence: 99%

Environment is crucial to the cooking time of beans

2012

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The objectives of this study were to understand how genotype, storage time, and storage conditions affect cooking time of beans and to indicate storage techniques that do not affect the cooking time. The grains were subjected to five different storage periods and six different storage conditions. The cooking time was estimated using the Mattson Cooker. The data were subjected to analysis of variance and a subsequent adjustment of simple linear regression for deployment of the interactions between the factors. Contrasts were used to determine the best levels of the factor storage condition. Genotype did not impact cooking time when the storage time and storage conditions were considered. Time and storage conditions affect the cooking time of beans in a dependent manner, but time of storage had the biggest influence. The best conditions for long-term storage of beans ensuring a smaller increase in cooking time is plastic storage at low temperatures. Thus, plastic freezer storage is a practical alternative for consumers.

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“…These results confirm the effects of the interaction with the environment when estimating GCA. The interaction between genotypes and environments in bean cultivation for grain yield has been reported by several authors (Carmo et al, 2007;Bertoldo et al, 2009;Coimbra et al, 2009). Genitors of group 1: 1* -Goiano Precoce; 2* -Xan112; 3* -Carioca1070; 4* -Rosinha Precoce.…”

Section: Resultsmentioning

confidence: 70%

Effect of generations and environments in the analysis of a partial diallel to improve bean earliness

Vale¹,

Barili²,

Souza³

et al. 2015

Genet. Mol. Res.

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ABSTRACT. The objective of this study was to select genitors based on F 1 and F 2 generations, evaluated in different environments, to obtain segregating populations for the identification of strains showing improved earliness, yield, and carioca-type grains. Nine bean strains were crossed in a partial diallel scheme (4 x 5), in which group 1 included 4 strains with early cycles and group 2 included 5 elite strains. The F 1 and F 2 generations and the genitors were assessed in Coimbra and Viçosa in randomized blocks with 3 replications. The following characteristics were evaluated: days between sowing and emergence, and grain yield. We observed an interaction between the effects of general combining ability and specific combining ability with the environments (crop, location, and generation) for both grain earliness and yield. Genetic analysis of earliness revealed a predominance of additive effects and grain yield dominance effects. The strain Goiano Precoce may be used as a genitor in breeding programs to improve earliness, while strains RP1 and VC33 can be used to increase grain N.M. Vale et al. 8220©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 14 (3): 8219-8228 (2015) yield. We observed genetic complementation between strains Goiano Precoce and RP1, BRSMG Madrepérola and BRS Estilo for earliness and between RP1 and Rosinha Precoce for grain yield.

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Mineração da interação genótipo x ambiente em Phaseolus vulgaris L. para o Estado de Santa Catarina

Abstract: III RESUMO Genótipos de feijão (Phaseolus vulgaris L.) dos grupos preto (testados em seis ambientes) e carioca (testados em cinco ambientes) foram avaliados para rendimento de

Cited by 10 publications

References 16 publications

Reflexo da interação genótipo x ambiente sobre o melhoramento genético de feijão

Reflexo da interação genótipo x ambiente sobre o melhoramento genético de feijão

Environment is crucial to the cooking time of beans

Effect of generations and environments in the analysis of a partial diallel to improve bean earliness

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