2012
DOI: 10.1590/s0102-05362012000300019
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Ganhos genéticos para caracteres de raiz em populações de cenoura nos sistemas orgânico e convencional de produção

Abstract: O objetivo deste trabalho foi verificar os ganhos genéticos para caracteres de raiz em populações de cenoura cultivadas nos sistemas orgânico e convencional. Os experimentos foram conduzidos na Embrapa Hortaliças, Brasília (DF). Duas populações de cenoura derivadas da cultivar Brasília e de origem comum até 2002, foram subdivididas em duas populações, avaliadas e selecionadas, por oito gerações consecutivas, nos verões de 2000 a 2007. Em 2008, amostras de sementes das populações, provenientes de cada ciclo de … Show more

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“…Estimated gains for root mass in this study are quite superior to real gains calculated by Silva & Vieira (2010) and Silva et al (2012a). In the first case, the authors obtained gains of 2.82% per selection cycle evaluating three carrot populations of Brasília group, selected on six selection cycles for traits which provided higher root productivity (thicker and longer roots).…”
Section: Resultscontrasting
confidence: 51%
“…Estimated gains for root mass in this study are quite superior to real gains calculated by Silva & Vieira (2010) and Silva et al (2012a). In the first case, the authors obtained gains of 2.82% per selection cycle evaluating three carrot populations of Brasília group, selected on six selection cycles for traits which provided higher root productivity (thicker and longer roots).…”
Section: Resultscontrasting
confidence: 51%