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Visual selection of Urochloa ruziziensis genotypes for green biomass yield
Provedor de dados: 1
Autores: Teixeira, Davi Henrique Lima; Gonçalves, Flávia Maria Avelar; Nunes, José Airton Rodrigues; Souza Sobrinho, Fausto; Benites, Flávio Rodrigo Gandolfi; Dias, Kaio Olímpio das Graças.
The breeding program of Urochloa ruziziensis evaluates many genotypes in initial phases. Evaluations through grades might make the selection less costly. The aim of this study was to verify the efficiency of visual selection for green biomass yield in relation to different selection strategies, such as mass selection by phenotypic mean, BLUP (Best Linear Unbiased Prediction) and at random. For this purpose, 2,309 regular genotypes were evaluated in an augmented block design in two cuts. The evaluators gave grades for plant vigor, and later, the plots were measured for green biomass yield. The coincidences of the selected genotypes were estimated by different selection strategies. Then, 254 clones of the genotypes selected in different strategies were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mass selection; Realized heritability; BLUP; Brachiaria.
Ano: 2019
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42444