Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica
Ilustraciones, tablas
- Autores:
-
Petro Páez, Eliel Enrique
- Tipo de recurso:
- Fecha de publicación:
- 2021
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/80003
- Palabra clave:
- 570 - Biología::571 - Fisiología y temas relacionados
570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantas
heat stress
Estrés térmico
Radiación solar
Baja radiación
Tolerancia
Arroz
Low radiation
Tolerance
Rice
Efectos de las radiaciones
- Rights
- openAccess
- License
- Atribución-NoComercial-SinDerivadas 4.0 Internacional
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| dc.title.spa.fl_str_mv |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| dc.title.translated.eng.fl_str_mv |
Phenotypic characterization of a diversity panel of rice (Oryza sativa L.) indica in response to low light stress |
| title |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| spellingShingle |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica 570 - Biología::571 - Fisiología y temas relacionados 570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantas heat stress Estrés térmico Radiación solar Baja radiación Tolerancia Arroz Low radiation Tolerance Rice Efectos de las radiaciones |
| title_short |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| title_full |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| title_fullStr |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| title_full_unstemmed |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| title_sort |
Caracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínica |
| dc.creator.fl_str_mv |
Petro Páez, Eliel Enrique |
| dc.contributor.advisor.none.fl_str_mv |
Rebolledo Cid, María Camila Cardozo Conde, Carlos Iván |
| dc.contributor.author.none.fl_str_mv |
Petro Páez, Eliel Enrique |
| dc.subject.ddc.spa.fl_str_mv |
570 - Biología::571 - Fisiología y temas relacionados 570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantas |
| topic |
570 - Biología::571 - Fisiología y temas relacionados 570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantas heat stress Estrés térmico Radiación solar Baja radiación Tolerancia Arroz Low radiation Tolerance Rice Efectos de las radiaciones |
| dc.subject.agrovoc.none.fl_str_mv |
heat stress Estrés térmico Radiación solar |
| dc.subject.proposal.spa.fl_str_mv |
Baja radiación Tolerancia Arroz |
| dc.subject.proposal.eng.fl_str_mv |
Low radiation Tolerance Rice |
| dc.subject.unesco.none.fl_str_mv |
Efectos de las radiaciones |
| description |
Ilustraciones, tablas |
| publishDate |
2021 |
| dc.date.accessioned.none.fl_str_mv |
2021-08-24T15:20:27Z |
| dc.date.available.none.fl_str_mv |
2021-08-24T15:20:27Z |
| dc.date.issued.none.fl_str_mv |
2021-04-15 |
| dc.type.spa.fl_str_mv |
Trabajo de grado - Maestría |
| dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/masterThesis |
| dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
| dc.type.coarversion.spa.fl_str_mv |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| dc.type.content.spa.fl_str_mv |
Text |
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http://purl.org/redcol/resource_type/TM |
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publishedVersion |
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https://repositorio.unal.edu.co/handle/unal/80003 |
| dc.identifier.instname.spa.fl_str_mv |
Universidad Nacional de Colombia |
| dc.identifier.reponame.spa.fl_str_mv |
Repositorio Institucional Universidad Nacional de Colombia |
| dc.identifier.repourl.spa.fl_str_mv |
https://repositorio.unal.edu.co/ |
| url |
https://repositorio.unal.edu.co/handle/unal/80003 https://repositorio.unal.edu.co/ |
| identifier_str_mv |
Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia |
| dc.language.iso.spa.fl_str_mv |
spa |
| language |
spa |
| dc.relation.references.spa.fl_str_mv |
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Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Rebolledo Cid, María Camilaab1aef1c8abebf99e1c32e39cc965f3eCardozo Conde, Carlos Iván7aab3b45e4336bb3f80c398bd395bc4bPetro Páez, Eliel Enriqueb0586bd37ffd26aee7d4ac7a9d49510a2021-08-24T15:20:27Z2021-08-24T15:20:27Z2021-04-15https://repositorio.unal.edu.co/handle/unal/80003Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/Ilustraciones, tablasLa baja radiación es un importante estrés ambiental que causa perdida significativa del rendimiento en el cultivo de arroz en diferentes regiones alrededor del mundo. Con el objetivo de evaluar la respuesta a baja radiación en fase de maduración, 78 genotipos de arroz indica fueron evaluados en un diseño de parcelas divididas con 3 repeticiones bajo dos niveles de radiación (tratamiento de luz: 100% de radiación y tratamiento de sombra: 50% de radiación) en el Centro Internacional de Agricultura Tropical (CIAT) durante 2015 y 2016. El rendimiento, sus componentes y características relacionadas con la fenología, materia seca en tallos y hojas, fuente y sumidero e índices de tolerancia fueron evaluadas. Los resultaron mostraron que el rendimiento en 2015 fue significativamente superior a 2016, debido a mayores niveles de radiación durante las fases reproductiva y maduración. El tratamiento de sombra redujo en promedio para 2015 y 2016 el rendimiento en 26.89% y 20.76%, el porcentaje de fertilidad en 16.05% y 15.78% y el peso de 1000 granos en 4.28% y 4.07% respectivamente. La relación tallo-hoja, relación sumidero fuente e índice de fuerza del sumidero se correlacionaron positivamente con el rendimiento y el porcentaje de fertilidad en los ambientes de menor radiación, sugiriendo que estas características adaptativas son claves y están asociadas con la tolerancia a baja radiación. Basado en las correlaciones, el biplot e índices de tolerancia, los genotipos con valores altos y bajos en el componente principal 1 y 2 respectivamente, presentaron tolerancia a baja radiación; estos genotipos se caracterizaron por presentar alta productividad media, productividad media geométrica, media armónica, índice de estabilidad al estrés y bajos índices de tolerancia e índice de susceptibilidad al estrés. A partir de estos resultados, 9 genotipos para 2015 y 2016 fueron identificados como tolerantes a condiciones de baja radiación en fase de maduración y pueden ser recomendados candidatos para ser utilizado en programas de mejoramiento. (Texto tomado de la fuente)Low radiation is a major environmental stress that causes significant yield loss in rice cultivation in different regions around the world. In order to evaluate the response to low radiation in the ripening phase, 78 indica rice genotypes were evaluated in a split plot design with 3 replications under two radiation levels (light treatment: 100% radiation and shade treatment: 50% radiation) at the International Center for Tropical Agriculture (CIAT) during 2015 and 2016. The yield, its components and characteristics related to phenology, dry matter in stems and leaves, source and sink and tolerance indices were evaluated. The results showed that the yield in 2015 was significantly higher than 2016, due to higher radiation levels during the reproductive and ripening phases. The shade treatment reduced on average for 2015 and 2016 the yield by 26.89% and 20.76%, the fertility by 16.05% and 15.78% and the weight of 1000 grains by 44.28% and 4.07% respectively. The stem-leaf relationship, sink-source relationship, and sink strength index were positively correlated with yield and fertility in lower radiation environments, suggesting that these adaptive characteristics are key and associated with low radiation tolerance. Based on the correlations, the biplot and tolerance indices, the genotypes with high and low values in the main component 1 and 2 respectively, presented tolerance to low radiation; These genotypes were characterized by presenting high mean productivity, geometric mean productivity, harmonic mean, stress stability index and low tolerance indexes and stress susceptibility index. Based on these results, 9 genotypes for 2015 and 2016 were identified as tolerant to low radiation conditions in the ripening phase and can be recommended as candidates for use in breeding programs.MaestríaMagíster en Ciencias Agrarias95 páginasapplication/pdfspaUniversidad Nacional de ColombiaPalmira - Ciencias Agropecuarias - Maestría en Ciencias AgrariasFacultad de Ciencias AgropecuariasPalmira, Valle del CaucaUniversidad Nacional de Colombia - Sede Palmira570 - Biología::571 - Fisiología y temas relacionados570 - Biología::575 - Partes específicas de y sistemas fisiológicos en plantasheat stressEstrés térmicoRadiación solarBaja radiaciónToleranciaArrozLow radiationToleranceRiceEfectos de las radiacionesCaracterización fenotípica de un grupo de diversidad de arroz (Oryza sativa L.) de la subespecie indica en respuesta al estrés por baja intensidad lumínicaPhenotypic characterization of a diversity panel of rice (Oryza sativa L.) indica in response to low light stressTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TMAbe, A., Kosugi, S., Yoshida, K., Natsume, S., Takagi, H., Kanzaki, H., … Terauchi, R. (2012). Genome sequencing reveals agronomically important loci in rice using MutMap. Nature Biotechnology, 30(2), 174–178. https://doi.org/10.1038/nbt.2095Acevedo, M., & Castrillo, W. (2006). Origen, evolución y diversidad del arroz. Agronomía Trop., 56(2), 151–170.Barmudoi, B., & Bharali, B. (2016). Effects of Light Intensity and Quality on Physiological Changes in Winter Rice (Oryza Sativa L.). International Journal of Environmental & Agriculture Research (IJOEAR) ISSN, 2(3), 65–76.Beneragama, C. K., & Goto, K. (2010). Chlorophyll a: b Ratio Increases Under Low-light in “Shade-tolerant” Euglena gracilis. Tropical Agricultural Research, 22(1), 12–25.Cai, Z. Q. (2011). Shade delayed flowering and decreased photosynthesis, growth and yield of Sacha Inchi (Plukenetia volubilis) plants. Industrial Crops and Products, 34(1), 1235–1237. https://doi.org/10.1016/j.indcrop.2011.03.021Cao, S., Zhai, H., Yang, T., Zhang, R., & Kuang, T. (2001). 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