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QTLs identification for characteristics of the root system in upland rice through DNA microarray Agronomy
Terra, Thiago Gledson Rios; Rodrigues, Haroldo Silva; Rangel, Paulo Hideo Nakano; Tomaz, Rafael Simões; Cruz, Cosme Damião; Borém, Aluízio.
The aim of this work is the construction of a genetic map and identification of quantitative trait loci (QTLs) that control characteristics of the root system of rice. We evaluated a F2:3 population composed of 150 families from the cross between the varieties IAC 165 × BRS Primavera. Genotyping was performed in the F2 population using 3,742 SNP (Single Nucleotide Polymorphism) markers. The evaluation of the root system in the F3 population was performed through a large-scale phenotyping method based on image generation with a CI-600 root scanner and on quantification through the WinRhizo® software. The experiment was arranged in a randomized block design with three replications performed under greenhouse. The variables analyzed were root length, root...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.03.05-9 genomic; Oryza sativa L.; DNA chip; QTL mapping; Abiotic stress Melhoramento Vegetal.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/30534
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