Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants
- Autores
- Novo, Patricia Elda; Acuña, Carlos Alberto; Urbani, Mario Hugo; Galdeano, Florencia; Espinoza, Francisco; Quarin, Camilo Luis
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Fil: Novo, Patricia Elda. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Novo, Patricia Elda. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Fil: Acuña, Carlos Alberto. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Acuña, Carlos Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Fil: Urbani, Mario Hugo. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Urbani, Mario Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Fil: Galdeano, Florencia. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Galdeano, Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Fil: Espinoza, Francisco. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Espinoza, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Fil: Quarin, Camilo Luis. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.
Fil: Quarin, Camilo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.
Basic findings from classical genetic studies are available for exploiting apomixis in the breeding of several forage grass genera. Most Paspalum species are multi- ploid with a sexual diploid cytotype and conspecific apomictic polyploid (mainly tetraploid) cytotypes. Experimental tetraploidized diploids reproduce sexually and, when crossed with natural apomictic tetraploids, yield hybrid populations that segregate for reproductive mode. Genetic studies indicated that apomixis is inherited as a monogenic dominant factor. We recombined 50 selected sexual hybrids obtained from crosses between a tetraploidized sexual genotype of P. plicatulum and 9 natural apomictic tetraploid accessions of 6 species of the Plicatula group. A synthetic sexual tetraploid population (SSTP) of 600 individuals from mixed seed of the 50 intercrossed hybrids was space-planted in the field. Based on evaluations of plant vigor, seed set, ergot tolerance, regrowth after flowering, and cold tolerance, 31 plants were selected. Crosses between most selected plants and two testers, which belonged to P. guenoarum, were performed, and the generated progeny was planted into the field following a randomized block design with 3 replications. The progeny test was evaluated for seed fertility, biomass yield, and cold tolerance. This procedure allowed selection of 10 elite plants from the SSTP. These plants should contain genes recombined from six apomictic species, without the genetic determinants for apomixis. They may be polycrossed to generate an improved sexual population, or crossed with other apomictic genotypes to obtain improved apomictic hybrids. - Fuente
- Crop Science, 2020, vol. 60. no. 4, p. 1-11.
- Materia
-
Paspalum
Apomixis
Sexual plants - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Universidad Nacional del Nordeste
- OAI Identificador
- oai:repositorio.unne.edu.ar:123456789/53136
Ver los metadatos del registro completo
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Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plantsNovo, Patricia EldaAcuña, Carlos AlbertoUrbani, Mario HugoGaldeano, FlorenciaEspinoza, FranciscoQuarin, Camilo LuisPaspalumApomixisSexual plantsFil: Novo, Patricia Elda. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Novo, Patricia Elda. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Acuña, Carlos Alberto. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Acuña, Carlos Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Urbani, Mario Hugo. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Urbani, Mario Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Galdeano, Florencia. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Galdeano, Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Espinoza, Francisco. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Espinoza, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Fil: Quarin, Camilo Luis. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina.Fil: Quarin, Camilo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina.Basic findings from classical genetic studies are available for exploiting apomixis in the breeding of several forage grass genera. Most Paspalum species are multi- ploid with a sexual diploid cytotype and conspecific apomictic polyploid (mainly tetraploid) cytotypes. Experimental tetraploidized diploids reproduce sexually and, when crossed with natural apomictic tetraploids, yield hybrid populations that segregate for reproductive mode. Genetic studies indicated that apomixis is inherited as a monogenic dominant factor. We recombined 50 selected sexual hybrids obtained from crosses between a tetraploidized sexual genotype of P. plicatulum and 9 natural apomictic tetraploid accessions of 6 species of the Plicatula group. A synthetic sexual tetraploid population (SSTP) of 600 individuals from mixed seed of the 50 intercrossed hybrids was space-planted in the field. Based on evaluations of plant vigor, seed set, ergot tolerance, regrowth after flowering, and cold tolerance, 31 plants were selected. Crosses between most selected plants and two testers, which belonged to P. guenoarum, were performed, and the generated progeny was planted into the field following a randomized block design with 3 replications. The progeny test was evaluated for seed fertility, biomass yield, and cold tolerance. This procedure allowed selection of 10 elite plants from the SSTP. These plants should contain genes recombined from six apomictic species, without the genetic determinants for apomixis. They may be polycrossed to generate an improved sexual population, or crossed with other apomictic genotypes to obtain improved apomictic hybrids.Crop Science Society of America2020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfp. 1-11application/pdfNovo, Patricia Elda, et al., 2020. Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants. Crop Science. Baltimore: Crop Science Society of America, vol. 60, no. 4, p. 1-11. E-ISSN 1435-0653.0011-183Xhttp://repositorio.unne.edu.ar/handle/123456789/53136Crop Science, 2020, vol. 60. no. 4, p. 1-11.reponame:Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE)instname:Universidad Nacional del Nordesteenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/2.5/ar/Atribución-NoComercial-SinDerivadas 2.5 Argentina2025-09-29T14:29:32Zoai:repositorio.unne.edu.ar:123456789/53136instacron:UNNEInstitucionalhttp://repositorio.unne.edu.ar/Universidad públicaNo correspondehttp://repositorio.unne.edu.ar/oaiososa@bib.unne.edu.ar;sergio.alegria@unne.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:48712025-09-29 14:29:32.615Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) - Universidad Nacional del Nordestefalse |
dc.title.none.fl_str_mv |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
title |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
spellingShingle |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants Novo, Patricia Elda Paspalum Apomixis Sexual plants |
title_short |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
title_full |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
title_fullStr |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
title_full_unstemmed |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
title_sort |
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants |
dc.creator.none.fl_str_mv |
Novo, Patricia Elda Acuña, Carlos Alberto Urbani, Mario Hugo Galdeano, Florencia Espinoza, Francisco Quarin, Camilo Luis |
author |
Novo, Patricia Elda |
author_facet |
Novo, Patricia Elda Acuña, Carlos Alberto Urbani, Mario Hugo Galdeano, Florencia Espinoza, Francisco Quarin, Camilo Luis |
author_role |
author |
author2 |
Acuña, Carlos Alberto Urbani, Mario Hugo Galdeano, Florencia Espinoza, Francisco Quarin, Camilo Luis |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Paspalum Apomixis Sexual plants |
topic |
Paspalum Apomixis Sexual plants |
dc.description.none.fl_txt_mv |
Fil: Novo, Patricia Elda. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Novo, Patricia Elda. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Fil: Acuña, Carlos Alberto. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Acuña, Carlos Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Fil: Urbani, Mario Hugo. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Urbani, Mario Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Fil: Galdeano, Florencia. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Galdeano, Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Fil: Espinoza, Francisco. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Espinoza, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Fil: Quarin, Camilo Luis. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. Fil: Quarin, Camilo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica del Nordeste; Argentina. Basic findings from classical genetic studies are available for exploiting apomixis in the breeding of several forage grass genera. Most Paspalum species are multi- ploid with a sexual diploid cytotype and conspecific apomictic polyploid (mainly tetraploid) cytotypes. Experimental tetraploidized diploids reproduce sexually and, when crossed with natural apomictic tetraploids, yield hybrid populations that segregate for reproductive mode. Genetic studies indicated that apomixis is inherited as a monogenic dominant factor. We recombined 50 selected sexual hybrids obtained from crosses between a tetraploidized sexual genotype of P. plicatulum and 9 natural apomictic tetraploid accessions of 6 species of the Plicatula group. A synthetic sexual tetraploid population (SSTP) of 600 individuals from mixed seed of the 50 intercrossed hybrids was space-planted in the field. Based on evaluations of plant vigor, seed set, ergot tolerance, regrowth after flowering, and cold tolerance, 31 plants were selected. Crosses between most selected plants and two testers, which belonged to P. guenoarum, were performed, and the generated progeny was planted into the field following a randomized block design with 3 replications. The progeny test was evaluated for seed fertility, biomass yield, and cold tolerance. This procedure allowed selection of 10 elite plants from the SSTP. These plants should contain genes recombined from six apomictic species, without the genetic determinants for apomixis. They may be polycrossed to generate an improved sexual population, or crossed with other apomictic genotypes to obtain improved apomictic hybrids. |
description |
Fil: Novo, Patricia Elda. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
Novo, Patricia Elda, et al., 2020. Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants. Crop Science. Baltimore: Crop Science Society of America, vol. 60, no. 4, p. 1-11. E-ISSN 1435-0653. 0011-183X http://repositorio.unne.edu.ar/handle/123456789/53136 |
identifier_str_mv |
Novo, Patricia Elda, et al., 2020. Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants. Crop Science. Baltimore: Crop Science Society of America, vol. 60, no. 4, p. 1-11. E-ISSN 1435-0653. 0011-183X |
url |
http://repositorio.unne.edu.ar/handle/123456789/53136 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ Atribución-NoComercial-SinDerivadas 2.5 Argentina |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ Atribución-NoComercial-SinDerivadas 2.5 Argentina |
dc.format.none.fl_str_mv |
application/pdf p. 1-11 application/pdf |
dc.publisher.none.fl_str_mv |
Crop Science Society of America |
publisher.none.fl_str_mv |
Crop Science Society of America |
dc.source.none.fl_str_mv |
Crop Science, 2020, vol. 60. no. 4, p. 1-11. reponame:Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) instname:Universidad Nacional del Nordeste |
reponame_str |
Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) |
collection |
Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) |
instname_str |
Universidad Nacional del Nordeste |
repository.name.fl_str_mv |
Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) - Universidad Nacional del Nordeste |
repository.mail.fl_str_mv |
ososa@bib.unne.edu.ar;sergio.alegria@unne.edu.ar |
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1844621666938781696 |
score |
12.559606 |