| |
|
|
| Registros recuperados : 3 | |
| 2. |  | BETANCURT, P.; CROSA, M.J. Valorización de frutos nativos como forma de promover el desarrollo local: aprovechamiento agroalimentario del butiá en Rocha. Montevideo, UY: INIA, 2014. 70 p. (Serie FPTA-INIA, 57). Unidad ejecutora: Laboratorio Tecnológico del Uruguay (LATU). - Equipo de trabajo: Pablo Betancurt, responsable técnico; María José Crosa, responsable técnico; Marina Barrientos, editora; Carlos Ayres; Mariana Irisity, Julio Sosa, Ángel...| Biblioteca(s): INIA La Estanzuela; INIA Tacuarembó; INIA Treinta y Tres. |
|    |
| 3. | | OLIVERA, A.; PIPPOLO, D.; CROSA, M.J.; SKERL, V.; PACHECO, P.; VILARÓ, F.; ZACCARI, F.; OSORIO, F.; SILVEIRA, D.; LEMA, P. Cadenas hortifrutícolas: agregando valor. El País Agropecuario, 2012, v. 18, no. 211, p. 24-25.| Biblioteca(s): INIA Tacuarembó. |
| |
| Registros recuperados : 3 | |
|
|
|
 | 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 : |
LEADER 01962naa a2200229 a 4500
001 1060452
005 2020-03-05
008 2020 bl uuuu u00u1 u #d
024 7 $a10.1111/pbr.12765$2DOI
100 1 $aDO CANTO, J.
245 $aPattern of inheritance of a self-fertility gene in an autotetraploid perennial ryegrass (Lolium perenne) population.$h[electronic resource]
260 $c2020
500 $aArticle history: Received: 29 November 2018 // Revised: 31 March 2019 // Accepted: 13 September 2019.
520 $aAbstract: 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.
653 $aPERENNIAL RYEGRASS
653 $aSEGREGATION
653 $aSELF-FERTILITY
653 $aTETRAPLOID
700 1 $aSTUDER, B.
700 1 $aFREI, U.
700 1 $aLÜBBERSTEDT, T.
773 $tPlant Breeding, 1 February 2020, Volume 139, Issue 1, Pages 207-213. Doi: 10.1111/pbr.12765
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Tacuarembó (TBO) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
| Expresión de búsqueda válido. Check! |
|
|
