Browsing Artículos by Issue Date
Now showing items 1-20 of 39
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Crioconservación de plantas, estado actual de la investigación en Costa Rica
(1999)In Costa Rica the development of cryopreservation research is recent. It started in 1990 with a project on bananas and plantains at the Agronomic Center for Research and Training (CATIE), followed by research on coffee, ... -
El consorcio cooperativo de comercialización R.L. Costa Rica: Frijol
(1999)Cooperative Commercialization Consortium (CCCRL), Costa Rica. The admission of Costa Rica into the World Trade Organization, and the subscription of the Bilateral Free Trade Agreement with Mexico and the agreements with ... -
Cryopreservation of chayote (Sechium edule JACQ.SW.) zygotic embryos and shoot-tips from in vitroplantlets
(2002)This paper presents the development of cryopreservation protocols for zygotic embryos and apices of chayote (Sechium edule Jacq. Sw.), a tropical plant species with recalcitrant seeds. Zygotic embryos of two cultivars, ... -
Micropropagación de chayote (Sechium edule) a partir de brotes vegetativos
(2002)Micropropagation of waterpear (Sechium edule Jacq. S.W.) from vegetative shoots. Waterpear (Sechium edule) is an important source of revenue for the exporting countries, being Costa Rica the leading producer. Among the ... -
Micropropagación y organogénesis in vitro de Gloxinia sp.
(2002)Se estableció un protocolo para la micropropagación de gloxinia y se evaluó en cinco fenotipos. Se realizó un estudio histológico al microscopio electrónico de barrido para determinar el origen de los brotes producidos, ... -
Cultivo de meristemas, termo y quimioterapia en chayote (Sechium edule Jacq. Sw.) para la erradicación del virus del mosaico del chayote (ChMV)
(2006)Recientemente se identificó en Costa Rica una nueva enfermedad viral en chayote, denominada "virus del mosaico del chayote" (ChMV, Chayote mosaic virus). Además de disminuir los rendimientos, esta enfermedad causa reducciones ... -
Genetic Characterization of chayote, Sechium edule (Jacq) Swartz, in Costa Rica by using isozyme markers
(2007)We established protocols for the analysis of genetic diversity in chayote (Sechium edule) by using isozyme markers, thereby determining the level of genetic diversity present in 42 accessions of chayote from Costa Rica. ... -
Estudios preliminares para la crioconservación de especies forestales arbóreas
(2007)La crioconservación presenta numerosas ventajas con respecto a otras técnicas que se utilizan rutinariamente para la conservación y almacenamiento de germoplasma. Algunas de estas ventajas son los bajos costos de labor ... -
Conservación in vitro de chayote (Sechium edule)
(2007)In vitro conservation of chayote (Sechium edule). The in vitro medium-term conservation technique was assayed on chayote. Survival was assayed after the addition of high concentration of sucrose (0, 30, 50, 60, 70 y 80 ... -
Cultivo in vitro de Geophila macropoda (Ruiz & Pav.DC) a partir de embriones cigóticos
(2010)In vitro culture of Geophila macropoda (Ruiz & Pav. DC) from zygotic embryos. The goal of this research was to develop a protocol for the in vitro culture of Geophila macropoda. The work was conducted in Guácimo, Limón, ... -
Micropropagación de Pilón (Hieronyma Alchorneoides)
(2011)Micropropagation of pilon (Hieronyma alchorneoides). Pilon (Hieronyma alchorneoides) (Euphorbiaceae) is one of the native timber species of Costa Rica best adapted to conditions of open plantation. Due to its growth ... -
Establecimiento de un protocolo para la conservación in vitro a mediano plazo de uña de gato (Uncaria Tomentosa (Willd). D.C.)
(2011)Aproximadamente el 25% de los medicamentos de patente posee algún componente o es derivado de plantas. La importancia farmacológica de la uña de gato (U. tomentosa) radica en la producción de alcaloides empleados en medicina ... -
Identificación y valor nutricional de algunos materiales nativos de arándano (Vaccinium spp)
(2013)The blueberry is a shrub of the family Ericaceae, genus Vaccinium. Its fruits are berries of dark, bluish or reddish coloration. Presents nutritional qualities and antioxidants which make it a fruit of high nutritional and ... -
Crioconservación de ápices y semillas de cedro (Cedrela odorata L.) mediante las técnicas de vitrificación y deshidratación
(2013)Cryopreservation de of shoots and seeds of cedar (Cedrela odorata L.). In order to protect the forest resources of Cedrela odorata L., currently threatened, it was considered necessary to establish a protocol for its ... -
Establecimiento in vitro de arándano (Vaccinium corymbosum L)
(2013)Blueberry is a shrub of the Ericaceae family, that belongs to the genus Vaccinium, which comprises several species, among them V. corymbosum. Due to the high medicinal and nutritional value of the fruit, these plants are ... -
Crioconservación de semillas de teca (Tectona grandis L. f)
(2013)Cryopreservation of teak (Tectona grandis L.f) seeds. Teak (Tectona grandis L.f) is a tropical tree of commercial value due to the high demand of its high-quality wood and rapid growth. Genetic improvement programs for ... -
Establecimiento in vitro de Terminalia amazonia (Gmel.) Excell
(2014)Terminalia amazonia is a native species used for reforestation because of their rapid growth characteristics and wood quality. The main objective of this study was to determine the conditions for the in vitro establishment ... -
Sensibility analysis of the Trace Transform on land coverage images
(Institute of Electrical and Electronics Engineers Inc., 2015)Aerial or satellital images may be used to produce terrain coverage maps, which in time are a very useful and important tool for decision-making in several fields including biodiversity, telecommunications and natural ... -
Análisis prospectivo de los bioinsumos agrícolas en Colombia: una consulta a expertos
(Revista Colombiana de Biotecnología, 2015)Productivity and sustainability of agriculture in Colombia can be influenced positively through the use of biodiversity for the production of bioinoculants. They were analyzed in the medium and long term, the future scenarios ... -
Molecular characterization of two accessions of Cydonia oblonga
(Revista Agronomía Mesoamericana, 2015)The purpose of this research was to evaluate the plastid trnH-psbA spacer and the matK coding sequence as possible markers for the molecular characterization in two accessions of quince (C. oblonga), one from Argentina and ...