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Genome-Wide Selection for tropical maize root traits under conditions of nitrogen and phosphorus stress - doi: 10.4025/actasciagron.v34i4.15884 Agronomy
Fritsche-Neto, Roberto; Universidade Federal de Viçosa; DoVale, Júlio César; Universidade Federal de Viçosa; Lanes, Éder Cristian Malta de; Universidade Federal de Viçosa; Resende, Marcos Deon Vilela de; Embrapa Florestas; Miranda, Glauco Vieira; Universidade Federal de Viçosa.
The objective of this study was to verify the accuracy of the Genome-Wide Selection (GWS) method in tropical maize breeding for root traits under conditions of nitrogen and phosphorus stress. Forty-one single-crosses were evaluated in two experiments. The first experiment considered low nitrogen availability, and the second experiment considered low phosphorus availability. A randomized block design with two replicates was used. The lateral and axial root lengths were measured using WinRhizo software. The analysis of deviance was calculated using the Restricted Maximum Likelihood/Best Linear Unbiased Prediction (REML/BLUP) method. Eighty microsatellite markers were used to genotype the estimation population. The Random Regression method was used to analyze...
Tipo: Pesquisa Empírica de Campo Palavras-chave: 5.01.03.05-9 marker-assisted selection; Recurrent selection; Abiotic stresses Melhoramento vegetal marker-assisted selection; Recurrent selection; Abiotic stresses.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/15884
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