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      Estabilidade de cultivares e linhagens de feijoeiro em diferentes ambientes no estado de São Paulo Translated title: Stability of common bean cultivars and lines in different environments in the state of São Paulo

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          Abstract

          O presente trabalho teve como objetivos realizar a avaliação genotípica de linhagens de feijoeiro no Estado de São Paulo pela estimativa dos valores genotípicos das linhagens para cada local e também para o ambiente médio de todos os locais. Estudos da adaptabilidade e estabilidade dos valores genotípicos preditos foram realizados pelo procedimento BLUP. A cultivar Graúna e a linhagem GEN 96A31 apresentaram superioridade média de 10% sobre a média geral dos 15 ambientes. Os valores foram computados já penalizando as linhagens pela instabilidade através dos locais e ao mesmo tempo capitalizando a capacidade de resposta (adaptabilidade) à melhoria do ambiente, usando propriedades intrínsecas ao método MHPRVG (Média Harmônica da Performance Relativa dos Valores Genéticos). Os métodos MHPRVG, Lin & Binns e Annicchiarico selecionaram, praticamente, as mesmas linhagens. Contudo, o método MHPRVG forneceu os resultados na própria escala de medição do caráter avaliado, os quais foram interpretados diretamente como valores genéticos para produtividade, estabilidade e adaptabilidade simultaneamente.

          Translated abstract

          The present study had the objective of a genotypic evaluation of common bean lines in the state of São Paulo. Genotypic values of the lines for each location and for the environment mean of all locations were predicted as well. Studies on the adaptability and stability of the predicted genotypic values were realized by the BLUP procedure. The cultivar Graúna and line GEN 96A31 presented an average superiority of 10% over the general mean of the 15 environments. These values were computed including the penalization of the lines for the instability across locations and simultaneously crediting the response capacity (adaptability) to improved environments, using intrinsic properties of the MHPRVG method (Harmonic mean of the relative performance of the genetic values). The methods MHPRVG, Lin & Binns and Annicchiarico selected the same lines. Moreover, the results provided by the method MHPRVG were in the same measurement scale of the evaluated trait and were directly interpreted as genetic values simultaneously, for yield, stability and adaptability.

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          Most cited references16

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          Genética biométrica e estatística no melhoramento de plantas perenes

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            Cultivar adaptation and recommendation from alfalfa trials in Northern Italy

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              Modelos biométricos aplicados ao melhoramento genético

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                brag
                Bragantia
                Bragantia
                Instituto Agronômico de Campinas (Campinas )
                1678-4499
                2007
                : 66
                : 2
                : 193-201
                Affiliations
                [1 ] IAC
                [2 ] Empresa Brasileira de Pesquisa Agropecuária
                [3 ] Universidade Federal de Viçosa Brazil
                [4 ] IAC
                Article
                S0006-87052007000200003
                10.1590/S0006-87052007000200003
                4a6fb0c0-c391-4a8b-90e0-4ff5df1b1079

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0006-8705&lng=en
                Categories
                AGRICULTURE, MULTIDISCIPLINARY

                General agriculture
                BLUP,MHPRVG,Phaseolus vulgaris,breeding,adaptability,melhoramento,adaptabilidade
                General agriculture
                BLUP, MHPRVG, Phaseolus vulgaris, breeding, adaptability, melhoramento, adaptabilidade

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