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1.Imagen marcada / sin marcar DO CANTO, J.; STUDER, B.; FREI, U.; LÜBBERSTEDT, T. Fine mapping a self-fertility locus in perennial ryegrass. Theoretical and Applied Genetics, v. 131, no. 4, p. 817-827, 2018. Article history: Received: 2 August 2017 //Accepted: 11 December 2017.
Biblioteca(s): INIA Tacuarembó.
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2.Imagen marcada / sin marcar DO CANTO, J.; STUDER, B.; FREI, U.; LÜBBERSTEDT, T. Pattern of inheritance of a self-fertility gene in an autotetraploid perennial ryegrass (Lolium perenne) population. Plant Breeding, 1 February 2020, Volume 139, Issue 1, Pages 207-213. Doi: 10.1111/pbr.12765 Article history: Received: 29 November 2018 // Revised: 31 March 2019 // Accepted: 13 September 2019.
Biblioteca(s): INIA Tacuarembó.
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3.Imagen marcada / sin marcar ARIAS AGUIRRE, A.; STUDER, B.; DO CANTO, J.; FREI, U.; LÜBBERSTEDT, T. Mapping a New Source of Self-fertility in Perennial Ryegrass (Lolium perenne L.) Plant Breed. Biotech., 2013, v.1, no. 4, p. 385-395.
Biblioteca(s): INIA Tacuarembó.
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4.Imagen marcada / sin marcar ARIAS AGUIRRE, A.; STUDER, B.; DO CANTO, J.; FREI, U.; LÜBBERSTEDT, T. Validation of two models for self-incompatibility in autotetraploid perennial ryegrass using high resolution melting-based markers. Plant Breeding, 2014, n. 133, p. 765-770. Article history: Received November 19, 2013; Accepted June 5, 2014.
Biblioteca(s): INIA Tacuarembó.
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Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy.
Registro completo
Biblioteca (s) :  INIA Tacuarembó.
Fecha actual :  26/11/2019
Actualizado :  05/03/2020
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Circulación / Nivel :  Internacional - --
Autor :  DO CANTO, J.; STUDER, B.; FREI, U.; LÜBBERSTEDT, T.
Afiliación :  JAVIER DO CANTO FAGUNDEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. 1Department of Agronomy, Iowa State University, Ames, IA, USA; BRUNO STUDER, Molecular Plant Breeding, Institute of Agricultural Sciences, ETH Zurich, Zurich, Switzerland.; URSULA FREI, Department of Agronomy, Iowa State.; THOMAS LÜBBERSTEDT, Department of Agronomy, Iowa State University, Ames, IA, USA.
Título :  Pattern of inheritance of a self-fertility gene in an autotetraploid perennial ryegrass (Lolium perenne) population.
Fecha de publicación :  2020
Fuente / Imprenta :  Plant Breeding, 1 February 2020, Volume 139, Issue 1, Pages 207-213. Doi: 10.1111/pbr.12765
DOI :  10.1111/pbr.12765
Idioma :  Inglés
Notas :  Article history: Received: 29 November 2018 // Revised: 31 March 2019 // Accepted: 13 September 2019.
Contenido :  Abstract: A mutation causing self-fertility (SF) in perennial ryegrass was studied at the tetraploid level. The aim of this work was to determine a) whether SF remains functional in a tetraploid population and b) whether the SF mutation expresses dominance in heterozygous pollen grains. A tetraploidized plant carrying SF alleles was self?pollinated to create a segregating F2 population. In the F2 individuals, pollen compatibility ranged between 38% and 84% showing that SF remained functional. The SF locus genotype was the main determinant of pollen compatibility explaining 78% of the variation. The observed segregation was significantly different from the expected under both SF being dominant or recessive models (P(x2)?0.001) and tended to be intermediate between them, indicating partial dominance or additive gene action. The frequency of the different genotypes suggested that pollen grains homozygous for the mutation have a competitive advantage over heterozygous pollen and that pollen compatibility is affected by the interaction with additional loci. The implications of our results for breeding polyploid grasses are discussed.
Palabras claves :  PERENNIAL RYEGRASS; SEGREGATION; SELF-FERTILITY; TETRAPLOID.
Asunto categoría :  A50 Investigación agraria
Marc :  Presentar Marc Completo
Registro original :  INIA Tacuarembó (TBO)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TBO103095 - 1PXIAP - DD
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