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Mostrando ítems 3522-3541 de 19080
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Comparison of the antifungal and antibacterial effect of the essential oil and ethanolic extract of the Zingiber officinale Rhizome (Ginger) cultivated in the San Carlos zone, Costa Rica in order to standardize a hydroponic medicinal cultivation of the same
(2020)Introduction: Ginger is a medicinal plant native to India. Its potential use in cosmetics, medicines and natural products has been reported, however depending on the conditions of cultivation the medicinal components of ... -
Comparison of the effect of Crotalus simus and Crotalus durissus ruruima venoms on the equine antibody response towards Bothrops asper venom: Implications for the production of polyspecific snake antivenoms
(2011-02)Antivenoms are preparations of immunoglobulins purified from the plasma of animals immunized with snake venoms. Depending on the number of venoms used during the immunization, antivenoms can be monospecific (if venom from ... -
Comparison of the immunogenicity and antigenic composition of ten Central American snake venoms
(1993-08)The immunological reactivity of five crotaline antivenoms for the venoms of ten Costa Rican snakes was determined. Venoms from Bothrops asper, B. godmani, B. lateralis, B. nasutus, B. ophryomegas, B. schlegelii, B. nummifer, ... -
Comparison of three in vitro protocols for direct somatic embryogenesis and plant regeneration of coffea arabica L. CVS. Caturra and Catuaí
(Agronomía Costarricense, vol. 31, n. 1, 2007, 2007)Comparación de tres protocolos para la embriogénesis somática directa y la regeneración de plantas de Coffea arabica L. cvs. Caturra y Catuaí in vitro. La presente investigación tuvo como objetivo establecer una metodología ... -
Comparison of tissue deterioration of ripening banana fruit (Musa spp., AAA group, Cavendish subgroup) under chilling and non-chilling temperatures
(2018)BACKGROUND In fleshy fruits, induced programmed cell death (PCD) has been observed in heat-treated tomato, and in ethylene-treated and low-temperature exposure in immature cucumber. No other fleshy fruit has been evaluated ... -
Comparison of Tree Species Sensitivity to High- and Low-Extreme Hydroclimatic Events
(2001-03)We present here a six-species comparison of tree-ring growth response to extremes (below the 30th and above the 70th percentile) in temperature, precipitation, and corresponding streamflow. The species compared are Pinus ... -
Comparison of Tropical and Temperate Zone Diarrheal Problems
(1978)In the past. we thought there were differences hetween tropica! and temperate zones in the etiology of intestinal diseases. Recent observations indicate that such differences do not exist. Infectious agents are ubiquitous. ... -
Comparison of two non-destructive techniques to determine DM yield in the tropics
(2018-06)Dry matter yield determines both stocking rate and animal carrying capacity on farms, but to estimate such indicators, accurate yield measures are required. Some common techniques to estimate biomass in pastures are ... -
Comparison of two sampling methods for biomonitoring using aquatic macroinvertebrates in the Dos Novillos River, Costa Rica
(2008)Benthic macroinvertebrates are the most commonly suggested group of organisms for freshwater biomonitoring and have been extensively studied in temperate areas. On the other hand, the methodology and theoretical background ... -
Comparison of venom composition and biological activities of the subspecies Crotalus lepidus lepidus, Crotalus lepidus klauberi and Crotalus lepidus morulus from Mexico
(2013-08-01)The rock rattlesnakes Crotalus lepidus comprise a group (lepidus, klauberi, morulus and maculosus) of poorly known mountain cold-tolerant snakes in Mexico. In particular, Crotalus lepidus morulus is a snake endemic of ... -
Compendio de Instrumentos de Medición IIP-2014
(2014)Los instrumentos de medición representan una herramienta fundamental para recopilar observaciones numéricas, ya sea mediante el autoreporte o la ejecución de actividades específicas por parte de las personas; o bien mediante ... -
COMPENDIO DE INVESTIGACIONES/ARROZ
(1982)Compendio de investigaciones enfocadas en el mejoramiento del cultivo de arroz en los países participantes de la Reunión Anual XXVIII del PCCMCA, Costa Rica, 1982. La recolección y almacenamiento de semillas son acciones ... -
COMPENDIO DE INVESTIGACIONES/MAÍZ/SORGO
(1982)Compendio de investigaciones enfocadas en el mejoramiento de los cultivos de maíz y sorgo de los países participantes en la Reunión Anual XXVIII del PCCMCA, Costa Rica, 1982. -
COMPENDIO DE RESÚEMENES
(Unidad de Información Científica de la Subdirección de Investigaciones Agrícolas, Ministerio de Agricultura y Ganadería, 1988)Esta memoria contiene resúmenes de los distintos temas presentados por las diferentes mesas de trabajo en la Reunión Anual del año 1988.