Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes

Cross-compatibility studies in Arachis L. have brought to light possible new sources of genes for introgression in cultivated peanuts. A total of 32 different crosses were made, using accession V14957 of A. gregoryi C.E. Simpson, Krapov. & Valls as the female parent and Arachis species conta...

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Detalles Bibliográficos
Autores principales: Custodio, Adriana R.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917., Simpson, Charles E.; Texas A&M AgriLife Research, Stephenville, Texas, Montenegro Valls, José F.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
Formato: Artículo revista
Lenguaje:Español
Publicado: Instituto de Botánica del Nordeste 2020
Materias:
Hybrids, interspecific crosses, peanut, pollen viability, wild relatives
Cruzamientos interespecíficos, híbridos, maní, parientes silvestres, viabilidad de polen.
Acceso en línea:https://revistas.unne.edu.ar/index.php/bon/article/view/4669
Aporte de:
Revistas UNNE - Universidad Nacional del Noroeste (UNNE) de Universidad Nacional del Nordeste
id I48-R154-article-4669
record_format ojs
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-154
container_title_str Revistas UNNE - Universidad Nacional del Noroeste (UNNE)
language Español
format Artículo revista
topic Hybrids, interspecific crosses, peanut, pollen viability, wild relatives
Cruzamientos interespecíficos, híbridos, maní, parientes silvestres, viabilidad de polen.
spellingShingle Hybrids, interspecific crosses, peanut, pollen viability, wild relatives
Cruzamientos interespecíficos, híbridos, maní, parientes silvestres, viabilidad de polen.
Custodio, Adriana R.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
Simpson, Charles E.; Texas A&M AgriLife Research, Stephenville, Texas
Montenegro Valls, José F.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
topic_facet Hybrids, interspecific crosses, peanut, pollen viability, wild relatives
Cruzamientos interespecíficos, híbridos, maní, parientes silvestres, viabilidad de polen.
author Custodio, Adriana R.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
Simpson, Charles E.; Texas A&M AgriLife Research, Stephenville, Texas
Montenegro Valls, José F.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
author_facet Custodio, Adriana R.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
Simpson, Charles E.; Texas A&M AgriLife Research, Stephenville, Texas
Montenegro Valls, José F.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
author_sort Custodio, Adriana R.; Embrapa Genetic Resources and Biotechnology, Parque Estação Biológica, PqEB, Av. W5 Norte (final). Caixa Postal 02372, Brasília, DF, Brazil, CEP 70770-917.
title Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
title_short Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
title_full Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
title_fullStr Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
title_full_unstemmed Crossability between Arachis gregoryi (Fabaceae) and wild Arachis species with distinct genomes
title_sort crossability between arachis gregoryi (fabaceae) and wild arachis species with distinct genomes
description Cross-compatibility studies in Arachis L. have brought to light possible new sources of genes for introgression in cultivated peanuts. A total of 32 different crosses were made, using accession V14957 of A. gregoryi C.E. Simpson, Krapov. & Valls as the female parent and Arachis species containing seven distinct genomes as male parents. The 3167 pollinations resulted in 153 confirmed inter and intraspecific hybrids. Viability estimates of paternal pollen by staining (PVS) varied from 46.75 to 99.17%, while the pollen count of the hybrids varied from 0.3 to 43.6%, this highest PVS resulting from an intraspecific combination, which suggests appreciable variability in accessions of A. gregoryi. Viability estimates of paternal pollen by germination (PVG) resulted in consistently lower values for all materials, ranging from 41.91% to 88.00%. Arachis gregoryi is important to expand the available diversity of species associated with the peanut B genome; it has a potential to be incorporated as a parent in crosses that aim to expand the genetic base of peanuts and may be useful for concentrating important genes in pre-breeding lines associated with the B genome.
publisher Instituto de Botánica del Nordeste
publishDate 2020
url https://revistas.unne.edu.ar/index.php/bon/article/view/4669
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