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      E6, a dominant gene conditioning early flowering and maturity in soybeans

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          Abstract

          Inheritance was studied in natural variants of the soybean cultivar Paraná, developed under photoperiodic conditions ranging from 13 h 31 min day light, at sowing, to 14 h 23 min, 59 days afterwards. Results indicated that early flowering and maturity are controlled by a single dominant gene. Natural mutations that originated cultivars Paranagoiana and SS-1 occurred at the same locus of cultivar Paraná. It was not possible to determine if the recessive alleles of these mutant cultivars are different. The designation E6 was proposed for the alleles determining earliness in cultivar Paraná, and e6 for the gene determining late flowering and maturity in cultivars Paranagoiana and SS-1, until the individuality of the alleles of Paranagoiana and SS-1 is confirmed.

          Translated abstract

          A herança foi estudada em variantes naturais de soja do cultivar Paraná, cultivados sob condições fotoperiódicas que variaram de 13 h 31 min, na data de semeadura, até 14 h 23 min, 59 dias após. Os resultados indicaram que o florescimento e a maturidade precoces são controlados por um gene dominante. As mutações naturais que originaram os cultivares Paranagoiana e SS-1 ocorreram no mesmo loco do cultivar Paraná. Não foi possível determinar se os alelos recessivos desses cultivares mutantes são separados. Foi proposta a designação E6 para os alelos que determinam o florescimento e a maturação precoces no cultivar Paraná, e e6 para os alelos que determinam florescimento e maturação tardios nos cultivares Paranagoiana e SS-1, até que a individualidade dos alelos de Paranagoiana e SS-1 seja confirmada.

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            Two Major Genes for Time of Flowering and Maturity in Soybeans1

            R. Bernard (1971)
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              INHERITANCE OF A SOYBEAN FLOWERING RESPONSE TO FLUORESCENT-DAYLENGTH CONDITIONS

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                gmb
                Genetics and Molecular Biology
                Genet. Mol. Biol.
                Sociedade Brasileira de Genética (Ribeirão Preto )
                1678-4685
                June 1999
                : 22
                : 2
                : 229-232
                Affiliations
                [1 ] Embrapa Brasil
                [2 ] Universidade de São Paulo Brazil
                Article
                S1415-47571999000200016
                10.1590/S1415-47571999000200016
                2451a622-788c-4a20-86f5-8bb730fc104a

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

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1415-4757&lng=en
                Categories
                BIOCHEMISTRY & MOLECULAR BIOLOGY
                GENETICS & HEREDITY

                Molecular biology,Genetics
                Molecular biology, Genetics

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