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Producción de Echinacea purpurea en tres localidades de Costa Rica
(2005-10-27)
Se estudió la producción de la planta medicinal Echinacea purpurea en 3 localidades de Costa Rica: Los Santos, a 1650 msnm, temperatura máxima de 26,5°C y mínima de 15,5°C, precipitación promedio de 2635 mm año-1, y suelos ...
Control of Dysmicoccus brevipes (Hemiptera: Pseudococcidae) on the pineapple fruit, San Carlos, Costa Rica.
Control de Dysmicoccus brevipes (hemiptera: pseudococcidae), en el fruto de piña, san carlos, Costa Rica
(2013-07-03)
The study evaluated 6 products for Dysmicoccus brevipes control in pineapple production (Ananas comosus). The laboratory test was conducted in the BioEco Natural Company S.A., biocontrol laboratory in Aguas Zarcas, San ...
Cryopreservation de of shoots and seeds of cedar (Cedrela odorata L.)
Crioconservación de ápices y semillas de cedro (Cedrela odorata L.) mediante las técnicas de vitrificación y deshidratación
(2013-07-03)
In order to protect the forest resources of Cedrela odorata L., currently threatened, it was considered necessary to establish a protocol for its cryopreservation. Research was conducted using shoots and seeds. Vitrification ...
Análisis del crecimiento de cinco híbridos de zanahoria (Daucus carota l.) mediante la metodología del análisis funcional
Análisis del crecimiento de cinco híbridos de zanahoria (<i>Daucus carota</i> l.) mediante la metodología del análisis funcional
(2013-05-14)
Plant growth analysis of five hybridsof carrot (Daucus carota L.) by functionalanalysis methodology. Plant growth analysisof 5 hybrids of carrot (Daucus carota L.) wasconducted in Cipreses, Oreamuno, Cartago, withthe aim ...
Efecto de la colocación de dispositivos elásticos de hule, en las manos superiores del racimo de banano, sobre la conformación de la mano, el rechazo de frutos y la relación cajas-racimo
Efecto de la colocación de dispositivos elásticos de hule, en las manos superiores del racimo de banano, sobre la conformación de la mano, el rechazo de frutos y la relación cajas-racimo
(2013-05-28)
Effect of rubber plastic bands, placed on banana’s bunch upper hands, on the conformation of the hand, the rejection of fruits and the relationship boxes-bunch. The effect of rubber elastic bands (REB) placed on the newly ...
Nutrient absorption curves in papaya (Carica papaya L.) cv. “Pococí” during vegetative growth, flowering and the beginning of the harvest period
Curvas de absorción de nutrientes en papaya (Carica papaya L.) cv. “Pococí” en las fases de crecimiento vegetativo, floración e inicio de cosecha
(2014-12-01)
In a commercial papaya farm located at Guácimo, Costa Rica, the requirements of nutrients, and the nutrient absorption curves for the Costa Rican high-yielding papaya hybrid “Pococí”, were established. The experiment was ...
Watery rot of pseudo-stem (Dickeya sp.) management in banana (Musa sp.) under greenhouse conditions
Manejo de la pudrición acuosa del pseudo-tallo (Dickeya sp.) en banano (Musa sp.) bajo condiciones de invernadero
(2014-12-01)
This crop has serious constraints with diseases, including those caused by bacteria, such as Dickeya sp. This research aimed to evaluate the effect of 4 resistance inductors and 3 doses in Chlorine Dioxide in handling ...
The effect of the application of compost and nematicide on the dynamics of microorganism populations, soil phytoparasite nematodes and the root system health in the banana crop (Musa AAA) planted on domes
Efecto de la aplicación de compost y nematicida sobre la dinámica de las poblaciones de microorganismos, nematodos fitoparásitos del suelo y la salud del sistema radical en el cultivo del banano (Musa AAA) sembrado en domos
(2014-12-01)
The effect of implementing 6 doses of compost plus a control, interacting with the nematicide application or non-application, on the dynamics of the soil microorganisms population (bacteria, fungi and actinomycetes), the ...
Characterization of visual symptoms of nutritional deficiencies in oak seedlings
Caracterización de los síntomas visuales de deficiencias nutricionales de plántulas del roble andino en invernadero
(2014-07-04)
The identification of visual symptoms of deficien- cies is a widely used method in the diagnosis of nutritional problems in agricultural and forestry production. The aim of this study was to charac- terize visual symptoms ...
Agronomic evaluation of thirteen genotypes of sweet potato (Ipomoea batatas L.)
Evaluación agronómica de trece genotipos de camote (Ipomoea batatas L.)
(2014-12-01)
The goal of this study was to determine the agronomic performance of 13 sweet potato genotypes for their cultivation in Costa Rica. Ten were introduced from North Carolina State University’s Micropropagation and Repository ...