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      Agronomic performance of sweet cassava cultivars Translated title: Desempenho agronômico de cultivares de mandioca de mesa

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          Abstract

          ABSTRACT Brazilian sweet cassava consumers are becoming more and more demanding in relation to sanitary conditions, organoleptic and nutritional characteristics of this vegetable products and their derivatives. Thus, more nutritious, early, productive, adapted to mechanized planting and good culinary quality sweet cassava cultivars were developed. This study aimed, therefore, to evaluate the performance of four sweet cassava cultivars in Uberaba, in Triângulo Mineiro region. The experiments were carried out in the experimental field of Faculdades Associadas de Uberaba (FAZU) during two harvest seasons. We adopted a randomized block design with three replicates, each plot consisting of four lines with ten plants. Trait averages were grouped by the Scott & Knott test. The results showed that cultivars BRS 399, BRS 397 and IAC 576-70 have potential to be grown in the region, since they showed root yield higher than 32 t ha-1 and up to 30-minute cooking time. BRS 399 stood out for its performance, showing root yield of 37 t ha-1 and 48 t ha-1 in 2015/2016 and 2016/2017 harvest seasons, respectively, with short-time cooking and presenting shoot productivities which allow its use even as animal feed.

          Translated abstract

          RESUMO Os consumidores brasileiros de mandioca de mesa estão se tornando mais exigentes quanto aos aspectos sanitários, organolépticos e nutricionais dos produtos e derivados de mandioca que adquirem. Em resposta, foram desenvolvidas cultivares de mandioca de mesa, mais nutritivas, precoces, produtivas, adaptadas ao plantio mecanizado e com boas qualidades culinárias. Nesse cenário, oportunizou-se a presente pesquisa, cujo objetivo foi avaliar o desempenho de quatro novas cultivares de mandioca de mesa em Uberaba na região do Triângulo Mineiro. Os experimentos foram conduzidos no campo experimental das Faculdades Associadas de Uberaba (FAZU) durante duas safras. Foi utilizado o delineamento de blocos casualizados com três repetições, cada parcela composta por quatro linhas com dez plantas. As médias dos caracteres foram agrupadas por meio do teste de Scott & Knott. Os resultados revelaram que as cultivares BRS 399, BRS 397 e IAC 576-70 têm potencial para cultivo na região, uma vez que apresentaram produtividade de raízes superior a 32 t ha-1 e tempo para o cozimento de até 30 minutos. A BRS 399 se destacou pelo desempenho apresentado, com produtividade de raízes de 37 t ha-1 e 48 t ha-1 nas safras 2015/2016 e 2016/2017, respectivamente, com baixos tempos para o cozimento e com produtividades de parte aérea que permitem utilizar a mesma até na alimentação animal.

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          Most cited references28

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          An analysis of variance test for normality (complete samples)

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            Sistema brasileiro de classificação de solos

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              Genes Software - extended and integrated with the R, Matlab and Selegen

              ABSTRACT. The Genes Software is useful for analyzing and processing phenotypic and molecular data using different biometric models. In the current version we dispose routines to integrate it with three other softwares: the R, Matlab and Selegen. This version allows in plant and animal breeding complementary analyzes in several breeding research fields as genomic selection, prediction of genetic values, use of neural networks and Fuzzy logic. The Genes is important to estimate parameters for understanding biological phenomena necessary to make decisions and predict the success and viability of strategic selection. The original programme can be downloaded in Portuguese, English or Spanish with the specific literature from (http://www.livraria.ufv.br/) and the user guide from (http://www.ufv.br/dbg/genes/genes.htm and http://www.ufv.br/dbg/biodata.htm). The user has also support in the address www.facebook.com/ GenesNews. The Genes is also integrated in the application softwares MS Word, MS Excel and Paint to efficiently import data and export results as numbers and figures.
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                Author and article information

                Journal
                hb
                Horticultura Brasileira
                Hortic. Bras.
                Associação Brasileira de Horticultura (Vitoria da Conquista, BA, Brazil )
                0102-0536
                1806-9991
                December 2020
                : 38
                : 4
                : 434-438
                Affiliations
                [2] Brasília Distrito Federal orgnameEmbrapa Cerrados Brazil eduardo.alano@ 123456embrapa.br
                [1] Uberaba Minas Gerais orgnameFaculdades Associadas de Uberaba Brazil ricardo@ 123456fazu.br
                Article
                S0102-05362020000400434 S0102-0536(20)03800400434
                10.1590/s0102-0536202004015
                f0094d39-2297-4ea7-9692-f10a5e130ba3

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

                History
                : 13 February 2020
                : 18 September 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 5
                Product

                SciELO Brazil

                Categories
                Scientific Communication

                qualidades culinárias,produtividade de raízes,culinary qualities,macaxeira,aipim,root yield,Manihot esculenta

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