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dc.contributor.authorFONSECA, J. M. O.
dc.contributor.authorNUNES, J. A. R.
dc.contributor.authorGONÇALVES, F. M. A.
dc.contributor.authorSOUZA SOBRINHO, F. de
dc.contributor.authorBENITES, F. R. G.
dc.contributor.authorTEIXEIRA, D. H. L.
dc.date.accessioned2021-08-16T18:00:40Z-
dc.date.available2021-08-16T18:00:40Z-
dc.date.created2021-08-16
dc.date.issued2020
dc.identifier.citationCrop Breeding and Applied Biotechnology, v. 20, n. 3, e329220314, 2020.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1133606-
dc.descriptionForage plant breeders often use visual scores to assess agronomic traits because of the costs associated with in-depth phenotyping in the initial stages of breeding cycles. The aim of this study was to investigate the impact of the number of graders on the effectiveness of indirect selection of high-yielding genotypes and determine an optimal number of graders in the early-stage trials of Urochloa ruziziensis. For that purpose, five graders assessed 2.219 U. ruziziensis genotypes in an augmented block design. Biomass production and vigor scores were evaluated in two cuts and were analyzed using a linear mixed model approach. Vigor scores were analyzed considering each grader?s score and the combinations of two, three, four, and five graders. Genetic variance was significant for both traits. Visual evaluation was effective in identifying productive genotypes based on the statistical criteria. The optimal number of graders for indirect selection of high-yielding U. ruziziensis genotypes is three.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectVisual selection
dc.subjectForage breeding
dc.subjectPrecisão
dc.titlePredictive approach to optimize the number of visual graders for indirect selection of highyielding Urochloa ruziziensis genotypes.
dc.typeArtigo de periódico
dc.subject.thesagroBrachiaria
dc.subject.thesagroCapim Brachiaria
dc.subject.thesagroMelhoramento
dc.subject.thesagroForragem
dc.subject.nalthesaurusAccuracy
riaa.ainfo.id1133606
riaa.ainfo.lastupdate2021-08-16
dc.identifier.doihttp://dx.doi.org/10.1590/1984- 70332020v20n3a48
dc.contributor.institutionJALES MENDES OLIVEIRA FONSECA, Texas A&M University; JOSÉ AIRTON RODRIGUES NUNES, Universidade Federal de Lavras; FLAVIA MARIA AVELAR GONÇALVES, Universidade Federal de Lavras; FAUSTO DE SOUZA SOBRINHO, CNPGL; FLAVIO RODRIGO GANDOLFI BENITES, CNPGL; DAVI HENRIQUE LIMA TEIXEIRA, Universidade Federal Rural da Amazonia.
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