Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia
Tepary bean, Phaseolus acutifolius A. Gray, is tolerant to drought and high temperatures but has low genetic diversity in its cultivated forms. To increase this diversity, a research program on mutation induction was initiated. The aim of this study was to establish the effect of different agro-morp...
| Autores principales: | , , , , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Universidad Nacional de Colombia
2018
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/90949 |
| _version_ | 1855539650989391872 |
|---|---|
| author | Crespo Muñoz, Sergio Rivera Peña, Mariela Rosero Alpala, Deisy Alexandra Muñoz Flórez, Jaime Eduardo Rao, Idupulapati M. Muñoz Flórez, Ligia Carmenza |
| author_browse | Crespo Muñoz, Sergio Muñoz Flórez, Jaime Eduardo Muñoz Flórez, Ligia Carmenza Rao, Idupulapati M. Rivera Peña, Mariela Rosero Alpala, Deisy Alexandra |
| author_facet | Crespo Muñoz, Sergio Rivera Peña, Mariela Rosero Alpala, Deisy Alexandra Muñoz Flórez, Jaime Eduardo Rao, Idupulapati M. Muñoz Flórez, Ligia Carmenza |
| author_sort | Crespo Muñoz, Sergio |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Tepary bean, Phaseolus acutifolius A. Gray, is tolerant to drought and high temperatures but has low genetic diversity in its cultivated forms. To increase this diversity, a research program on mutation induction was initiated. The aim of this study was to establish the effect of different agro-morpho-physiological parameters on pollen viability and quantity in 123 mutant lines M5 of P. acutifolius and parental genotypes, by processing micrographs of pollen stained with acetocarmine. The experiment was conducted under greenhouse conditions and the experimental design was a split-split plot with three replicates; in addition, the factors evaluated were as follows: soil moisture conditions, inoculation with Bradyrhizobium sp. or Rhizobium tropici, and the evaluated lines (6 mutants and 2 non-mutants). The experiment was carried out maintaining night temperature above 25°C. There were no significant differences among treatments, and there was a positive correlation of pollen viability with other variables. |
| format | Journal Article |
| id | CGSpace90949 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | Universidad Nacional de Colombia |
| publisherStr | Universidad Nacional de Colombia |
| record_format | dspace |
| spelling | CGSpace909492025-03-13T09:45:28Z Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia Viabilidad polínica de líneas mutantes de fríjol tépari (Phaseolus acutifolius A. Gray.) bajo condiciones de estrés hídrico e inoculación con rizobios Crespo Muñoz, Sergio Rivera Peña, Mariela Rosero Alpala, Deisy Alexandra Muñoz Flórez, Jaime Eduardo Rao, Idupulapati M. Muñoz Flórez, Ligia Carmenza phaseolus acutifolius abiotic stress high temperature beans fabaceae rhizobiaceae inoculation mutation estrés abiótico calor inoculación mutación Tepary bean, Phaseolus acutifolius A. Gray, is tolerant to drought and high temperatures but has low genetic diversity in its cultivated forms. To increase this diversity, a research program on mutation induction was initiated. The aim of this study was to establish the effect of different agro-morpho-physiological parameters on pollen viability and quantity in 123 mutant lines M5 of P. acutifolius and parental genotypes, by processing micrographs of pollen stained with acetocarmine. The experiment was conducted under greenhouse conditions and the experimental design was a split-split plot with three replicates; in addition, the factors evaluated were as follows: soil moisture conditions, inoculation with Bradyrhizobium sp. or Rhizobium tropici, and the evaluated lines (6 mutants and 2 non-mutants). The experiment was carried out maintaining night temperature above 25°C. There were no significant differences among treatments, and there was a positive correlation of pollen viability with other variables. El fríjol tépari, Phaseolus acutifolius A. Gray destaca por su tolerancia al estrés por sequía y altas temperaturas, sin embargo, presenta baja diversidad genética en sus formas cultivadas. Por lo que se inició un programa de inducción de mutaciones. El objetivo de este estudio fue establecer el efecto de diferentes parámetros agro-morfofisiológicos asociados sobre la viabilidad y cantidad del polen en 123 líneas mutantes de la quinta generación M5 de P. acutifolius y genotipos parentales, por medio del procesamiento de microfotografías de preparaciones de polen con tinción de acetocarmin. El experimento se realizó en condiciones de invernadero y el diseño experimental fue de subparcelas divididas con 3 repeticiones; adicionalmente, los factores evaluados fueron: condiciones de humedad del suelo, inoculación con cepas de Bradyrhizobium sp. o Rhizobium tropici, y las líneas o accesiones evaluadas (6 mutantes y 2 no mutantes). El experimento fue realizado manteniendo la temperatura nocturna superior a 25°C. No hubo diferencias significativas entre los tratamientos, se encontraron correlaciones positivas de la viabilidad de polen con otras variables. 2018 2018-02-06T14:14:23Z 2018-02-06T14:14:23Z Journal Article https://hdl.handle.net/10568/90949 en Open Access Universidad Nacional de Colombia Crespo-Muñoz, Sergio; Rivera Peña, Mariela; Rosero-Alpala, Deisy Alexandra; Muñoz-Florez, Jaime Eduardo; Rao, Idupulapati M.; Muñoz-Florez, Ligia Carmenza. 2018. Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia. Acta Agronómica 67(2): 319-325. |
| spellingShingle | phaseolus acutifolius abiotic stress high temperature beans fabaceae rhizobiaceae inoculation mutation estrés abiótico calor inoculación mutación Crespo Muñoz, Sergio Rivera Peña, Mariela Rosero Alpala, Deisy Alexandra Muñoz Flórez, Jaime Eduardo Rao, Idupulapati M. Muñoz Flórez, Ligia Carmenza Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title | Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title_full | Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title_fullStr | Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title_full_unstemmed | Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title_short | Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia |
| title_sort | pollen viability of tepary bean phaseolus acutifolius a gray mutant lines under water stress conditions and inoculation with rhizobia |
| topic | phaseolus acutifolius abiotic stress high temperature beans fabaceae rhizobiaceae inoculation mutation estrés abiótico calor inoculación mutación |
| url | https://hdl.handle.net/10568/90949 |
| work_keys_str_mv | AT crespomunozsergio pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT riverapenamariela pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT roseroalpaladeisyalexandra pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT munozflorezjaimeeduardo pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT raoidupulapatim pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT munozflorezligiacarmenza pollenviabilityofteparybeanphaseolusacutifoliusagraymutantlinesunderwaterstressconditionsandinoculationwithrhizobia AT crespomunozsergio viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios AT riverapenamariela viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios AT roseroalpaladeisyalexandra viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios AT munozflorezjaimeeduardo viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios AT raoidupulapatim viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios AT munozflorezligiacarmenza viabilidadpolinicadelineasmutantesdefrijoltepariphaseolusacutifoliusagraybajocondicionesdeestreshidricoeinoculacionconrizobios |