2015
DOI: 10.1590/0103-9016-2014-0137
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Abstract: Periodic assessment of the genetic progress made in recurrent selection programs is essential for assessing the evolution of the programs and identifying the main factors that have contributed to this progress. This study aimed to estimate genetic progress in grain yield, plant height and days-to-flowering achieved in the CNA6 population of upland rice (Oryza sativa L.), after four cycles of recurrent selection; and evaluate the genetic potential of this population to generate superior inbred lines after each … Show more

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Cited by 21 publications
(17 citation statements)
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“…For GY, the annual genetic gain achieved (1.98% yr −1 ) is higher than the annual gains previously reported in rice populations under RS: 1.14 (Breseghello et al, 1998) to 1.56% (Rangel et al, 2002) in irrigated rice and 1.54 (Morais Júnior et al, 2015) to 3.60% (Breseghello et al, 2009) in upland rice. For GY, the annual genetic gain achieved (1.98% yr −1 ) is higher than the annual gains previously reported in rice populations under RS: 1.14 (Breseghello et al, 1998) to 1.56% (Rangel et al, 2002) in irrigated rice and 1.54 (Morais Júnior et al, 2015) to 3.60% (Breseghello et al, 2009) in upland rice.…”
Section: Discussioncontrasting
confidence: 63%
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“…For GY, the annual genetic gain achieved (1.98% yr −1 ) is higher than the annual gains previously reported in rice populations under RS: 1.14 (Breseghello et al, 1998) to 1.56% (Rangel et al, 2002) in irrigated rice and 1.54 (Morais Júnior et al, 2015) to 3.60% (Breseghello et al, 2009) in upland rice. For GY, the annual genetic gain achieved (1.98% yr −1 ) is higher than the annual gains previously reported in rice populations under RS: 1.14 (Breseghello et al, 1998) to 1.56% (Rangel et al, 2002) in irrigated rice and 1.54 (Morais Júnior et al, 2015) to 3.60% (Breseghello et al, 2009) in upland rice.…”
Section: Discussioncontrasting
confidence: 63%
“…Three RS cycles promoted significant genetic progress for GY and DTF. For GY, the annual genetic gain achieved (1.98% yr −1 ) is higher than the annual gains previously reported in rice populations under RS: 1.14 (Breseghello et al, 1998) to 1.56% (Rangel et al, 2002) in irrigated rice and 1.54 (Morais Júnior et al, 2015) to 3.60% (Breseghello et al, 2009) in upland rice. Brazilian elite rice breeding programs have achieved annual gains for GY of ~0.7% in irrigated rice (Rangel et al, 2000) and 1.44% in upland rice (Breseghello et al, 2011).…”
Section: Discussioncontrasting
confidence: 62%
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“…These traits could be further improved via recurrent selection, which has been demonstrated to be an efficient means of population improvement in crops (Hallauer and Carena, 2012; de Morais et al, 2015; Shelton and Tracy, 2015). Additionally, favorable traits from two different groups of traditional B. juncea (Pradhan et al, 1993; Chen et al, 2013) and exotic genome components from B. napus (A n A n C n C n ) (which has been intensively improved by modern breeding and is most widely grown as an oilseed Brassica crop) can be introgressed into the pool via recurrent selection.…”
Section: Discussionmentioning
confidence: 99%