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dc.contributor.authorMazurkievicz, Gustavopt_BR
dc.contributor.authorUbert, Itacir de Pierript_BR
dc.contributor.authorKrause, Felipe Augustopt_BR
dc.contributor.authorNava, Itamar Cristianopt_BR
dc.date.accessioned2020-03-25T04:16:59Zpt_BR
dc.date.issued2019pt_BR
dc.identifier.issn1518-7853pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/206926pt_BR
dc.description.abstractThe onset of flowering is decisive to the reproductive success of plants. The objectives of this study were to characterize the phenotypic variation in heading date and estimate its heritability in segregating populations of oat (Avena sativa L.). F2 and F3 generations of two large populations, derived from crosses ‘URS Taura × Leggett’ and ‘FL0206B-S-B-S1 × UFRGS 078030-1’, were evaluated. A wide phenotypic variation in the number of days to heading was observed in both populations. Heritability coefficients of 0.68 and 0.46 were estimated for the ‘URS Taura × Leggett’ and ‘FL0206B-S-B-S1 × UFRGS 078030-1’ populations. Our results demonstrate that genetic differences derived from parents in response to photoperiod and temperature explain most of the phenotypic variation in heading date of oat populations. Understanding genetic and environmental effects on flowering expression is essential to increase the response to selection for well-adapted and high-yielding oat cultivars.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofCrop Breeding and Applied Biotechnology. Viçosa, MG. Vol. 19, n. 4 (out./dez. 2019), p. 436-443pt_BR
dc.rightsOpen Accessen
dc.subjectPhotoperioden
dc.subjectGenética vegetalpt_BR
dc.subjectTemperatureen
dc.subjectMelhoramento genético vegetalpt_BR
dc.subjectVernalizationen
dc.subjectAveiapt_BR
dc.subjectAdaptationen
dc.subjectAvena sativapt_BR
dc.subjectVariedadept_BR
dc.subjectResistência à temperaturapt_BR
dc.subjectAclimatacaopt_BR
dc.titlePhenotypic variation and heritability of heading date in hexaploid oatpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001114191pt_BR
dc.type.originNacionalpt_BR


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