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      Performance of common bean genotypes as a function of growing seasons and technological input levels1 Translated title: Desempenho de genótipos de feijão comum em função de estações de cultivo e níveis tecnológicos de insumos

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          Abstract

          ABSTRACT In Brazil, common bean (Phaseolus vulgaris L.) is cultivated in different growing seasons and environments, with different genotypes responses due to the genotype x environment interaction. This study aimed to identify common bean genotypes with a better production stability in each growing environment. The trials were conducted in a randomized block design, with three replications, involving three growing years, nine common bean genotypes and four environments (first and second growing seasons with high and low levels of technological input, such as fertilizers and pest and disease control). Biplot analyses were performed using the GGE Biplot software. The use of high levels of technological input results in an average increase of 14.4 % for yield and is more representative in the crop environments, as well as more adequate for genotype selection. IPR Campos Gerais, BRS Esplendor and BRS Campeiro showed a high stability and presented the best productive performance under both technological levels.

          Translated abstract

          RESUMO No Brasil, o feijoeiro (Phaseolus vulgaris L.) é cultivado em diferentes safras e ambientes, com diferentes respostas do genótipo devido à interação genótipo x ambiente. Objetivou-se identificar genótipos de feijão com melhor estabilidade produtiva em cada ambiente de cultivo. Os experimentos foram conduzidos em delineamento de blocos casualizados, com três repetições, envolvendo três anos agrícolas, nove genótipos de feijão comum e quatro ambientes (primeira e segunda safras com baixo e alto nível tecnológico de insumos, como fertilizantes, controle de pragas e doenças). Análises biplot foram realizadas utilizando-se o software GGE Biplot. O uso de alto nível tecnológico de insumos resulta em aumento de 14,4 % na produtividade, é mais representativo nos ambientes de cultivo e mais adequado para a seleção de genótipos. IPR Campos Gerais, BRS Esplendor e BRS Campeiro mostraram alta estabilidade e obtiveram o melhor desempenho produtivo em ambos os níveis tecnológicos.

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          GGEbiplot—A Windows Application for Graphical Analysis of Multienvironment Trial Data and Other Types of Two-Way Data

          Weikai Yan (2001)
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            Phenotyping common beans for adaptation to drought

            Common beans (Phaseolus vulgaris L.) originated in the New World and are the grain legume of greatest production for direct human consumption. Common bean production is subject to frequent droughts in highland Mexico, in the Pacific coast of Central America, in northeast Brazil, and in eastern and southern Africa from Ethiopia to South Africa. This article reviews efforts to improve common bean for drought tolerance, referring to genetic diversity for drought response, the physiology of drought tolerance mechanisms, and breeding strategies. Different races of common bean respond differently to drought, with race Durango of highland Mexico being a major source of genes. Sister species of P. vulgaris likewise have unique traits, especially P. acutifolius which is well adapted to dryland conditions. Diverse sources of tolerance may have different mechanisms of plant response, implying the need for different methods of phenotyping to recognize the relevant traits. Practical considerations of field management are discussed including: trial planning; water management; and field preparation.
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              Temperature thresholds and crop production: a review

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pat
                Pesquisa Agropecuária Tropical
                Pesqui. Agropecu. Trop.
                Escola de Agronomia/UFG (Goiânia, GO, Brazil )
                1517-6398
                1983-4063
                2019
                : 49
                : e54989
                Affiliations
                [1] Pato Branco Paraná orgnameUniversidade Tecnológica Federal do Paraná orgdiv1Departamento de Agronomia Brazil
                Article
                S1983-40632019000100227
                10.1590/1983-40632019v4954989
                87245d8d-3519-499d-a03b-eee99b64d029

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 25 September 2018
                : 21 May 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 57, Pages: 0
                Product

                SciELO Brazil

                Categories
                Research Article

                interação genótipo x ambiente,Phaseolus vulgaris L.,genotype x environment interaction,grain yield,produtividade de grãos

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