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Browsing by Author "Romero, Hernán Mauricio"
Now showing items 1-20 of 20
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Biochemical and physiological characterization of oil palm interspecific hybrids (elaeis oleifera x elaeis guineensis) grown in hydroponics
The interspecific hybrid, Elaeis oleifera x Elaeis guineensis (OxG) is an alternative for improving the competitiveness and sustainability of the Latin American oil palm agro-industry, because of its partial resistance to ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana. -
Changes in polyamine content are related to low temperature resistance in potato plants
Polyamine content and variation within a 48 hour simulated freezing stress were determined in plants with different low temperature resistance. Genotypes Solanum acaule, Solanum phureja, transgenic Solanum tuberosum c.v. ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana. -
Contenido de poliaminas libres en palmas afectadas por pudricion del cogollo en las zonas central y occidental de colombia
La pudrición del cogollo (PC) es la principal enfermedad de la palma en Colombia. En las zonas palmeras Central (ZC) y Oriental (ZE), las palmas enfermas pueden recuperarse naturalmente. En la Zona Occidental (ZW) el ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana. -
Desarrollo de productos funcionales promisorios a partir de la guayaba (Psidium guajava L.) para el fortalecimiento de la cadena productiva
En este libro se presentan resultados de los trabajos de investigación realizados en cuatro materiales de guayaba, Regional Roja (RR), Regional Blanca (RB), Guavata Victoria (GV) y Ráquira (RQ), en tres sitios de producción ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Biología. -
Development and validation of a bi-directional allele-specific PCR tool for differentiation in nurseries of dura, tenera and pisifera oil palms
Oil palm (Elaeis guineensis Jacq.) fruits are classified by shell thickness into three types: dura, pisifera, and tenera, the last one being the product of a dura × pisifera cross. The palm oil industry relies on the use ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Efecto del estrés abiótico sobre la síntesis y degradación de almidón. una revisión
En las plantas superiores la biosíntesis del almidón es sensible al efecto de condiciones ambientales adversas, las cuales actúan sobre el suministro de carbohidratos desde los órganos fuente, la actividad de los vertederos ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Effect of replanting systems on populations of strategus aloeus (l.) and rhynchophorus palmarum (l.) associated with the oil palm oxg interspecific hybrid (elaeis oleifera × elaeis guineensis) in southwestern colombia
The oil palm replanting process produces a large amount of organic matter that, as it begins to decompose, becomes a breeding ground for various pests, including Strategus aloeus and Rhynchophorus palmarum. Different crop ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Effect of replanting systems on populations of strategus aloeus (l.) and rhynchophorus palmarum (l.) associated with the oil palm oxg interspecific hybrid (elaeis oleifera × elaeis guineensis) in southwestern colombia
The oil palm replanting process produces a large amount of organic matter that, as it begins to decompose, becomes a breeding ground for various pests, including Strategus aloeus and Rhynchophorus palmarum. Different crop ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Effect of replanting systems on populations of strategus aloeus (l.) and rhynchophorus palmarum (l.) associated with the oil palm oxg interspecific hybrid (elaeis oleifera × elaeis guineensis) in southwestern colombia
The oil palm replanting process produces a large amount of organic matter that, as it begins to decompose, becomes a breeding ground for various pests, including Strategus aloeus and Rhynchophorus palmarum. Different crop ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Estimation of transpiration in oil palm (Elaeis guineensis Jacq.) with the heat ratio method
Sap flow sensors were installed on the leaf petioles of 5-year-old oil palms (Elaeis guineensis Jacq.) to measure the xylem water flow for 12 days based on the heat ratio method (HRM). It was found that young leaves have ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Genetic similarity among commercial oil palm materials based on microsatellite markers
Microsatellite markers are used to determine genetic similarities among individuals and might be used in various applications in breeding programs. For example, knowing the genetic similarity relationships of commercial ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Impacts of the dry season on the gas exchange of oil palm (iElaeis guineensis/i) and interspecific hybrid (iElaeis oleifera/i x iElaeis guineensis/i) progenies under field conditions in eastern Colombia
Elaeis guineensis palms and its interspecific hybrid (E. oleifera × E. guineensis) were planted in 2004 in the Cuernavaca farm of Unipalma S.A., located in the municipality of Paratebueno Cundinamarca, Colombia). The palms ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Phenology of the reproductive development of Elaeis oleifera (Kunth) Cortes
The phenological stages of oil palm can be coded using the BBCH scale, which has three digits due to the inclusion of intermediate stages between the principal and secondary stages in order to provide greater detail on ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Physiological effects of water deficit on two oil palm (Elaeis guineensis Jacq.) genotypes
Water supply is the main limiting factor that affects oil palm (Elaeis guineensis Jacq.) yield. This study aimed to evaluate the gas exchange and photosynthetic capacity, determine the physiological effects and assess the ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Physiological responses of oil palm (Elaeis guineensis Jacq.) seedlings under different water soil conditions
Water supply is the main yield-limiting factor of oil palm crops. A water deficit affects virtually all aspects of metabolism and plant structure, while a water excess leads to waterlogging, an abiotic stress that affects ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
Plant responses to pathogen attack: molecular basis of qualitative resistance
Pathogens attack plants to assimilate nutrients from them. All plant species have succeeded in overcoming pathogenic attack; therefore disease condition is not the rule but the exception. A co-evolutionary battle has ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Response of various oil palm materials (Elaeis guineensis and Elaeis oleifera × Elaeis guineensis interspecific hybrids) to bud rot disease in the southwestern oil palm-growing area of Colombia
Palms planted in an area with a high bud rot disease (BR) inoculum pressure were evaluated monthly for a six-year period to determine their tolerance, resistance, or susceptibility to the disease. Dura-type E. guineensis ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
RNA-SEQ: A GLANCE AT TECHNOLOGIES AND METHODOLOGIES
RNA Sequencing (RNA-Seq) is a newly born tool that has revolutionized the post-genomic era. The data produced by RNA-Seq, sequencing technologies and use of bioinformatics are exploding rapidly. In recent years, RNA-Seq ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana. -
The greenhouse gas balance of the oil palm industry in colombia: a preliminary analysis. i. carbon sequestration and carbon offsets
Colombia is currently the world’s fifth largest producer of palm oil and the largest producer in South and Central America. It has substantial areas of land that could be used for additional oil palm production and there ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana. -
The greenhouse gas balance of the oil palm industry in colombia: a preliminary analysis. ii. greenhouse gas emissions and the carbon budget
In the preceding paper we examined carbon sequestration in oil palm plantations and in mill products and by-products as part of a study of the greenhouse gas balance of palm oil production in Colombia, showing how this has ...Universidad Nacional de Colombia Revistas electrónicas UN Agronomía Colombiana.
