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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 ...
Identification of the agent causing anthracnose on Sansevieria spp., in Costa Rica.
Identificación del agente causal de la antracnosis de Sansevieria spp. en Costa Rica
(2013-07-03)
Sansevieria spp. (Agavaceae), native to Africa and Asia, is a foliage ornamental known as “mother-in-law’s tongue” or sansevieria. S. trifasciata (St) is the species with the highest number of cultivars on the Costa Rican ...
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 of teak (Tectona grandis L.f) seeds
Crioconservación de semillas de teca (Tectona grandis L.f)
(2013-07-03)
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 this species have resulted in seeds of better quality ...
Agronomic and nutritional evaluation of african star grass-based pastures (Cynodon nlemfuensis) in the region of Monteverde, Puntarenas, Costa Rica. I. Dry matter yield and phenology.
Evaluación agronómica y nutricional del pasto estrella africana (Cynodon nlemfuensis) en la zona de Monteverde, Puntarenas, Costa Rica. I. disponibilidad de biomasa y fenología
(2013-07-03)
Dry matter yield and phenology of african star grass (Cynodon nlemfuensis)- based pastures were evaluated in 4 commercial dairy farms nearby to the region of Monteverde (latitude 10°20’ N, longitude 84°50’ W, 800 to 1200 ...
Genetic resistance of tomato hybrids [Solanum lycopersicum L. (Mill.)] to tomato spotted wilt virus (TSWV)
Resistencia genética de híbridos de tomate [Solanum lycopersicum L. (Mill.)] al virus del bronceado (TSWV)
(2013-07-03)
This research was conducted at the PROINPA Foundation’s greenhouse and laboratory in Cochabamba, Bolivia in 2012. Its objective was to evaluate the resistance and susceptibility to Tomato spotted wilt virus – TSWV, Tomato ...
Evaluation of practices associated with the removal of flowers, lateral or central fruits and/or first hand in the banana bunch
Evaluación de prácticas asociadas con la remoción de flores, frutos laterales o centrales y/o de la primer mano basal en el racimo de banano
(2013-07-03)
Practices associated with banana bunch management were evaluated in the Caribbean of Costa Rica during 2011 in 6 experiments. These were, 1 and 2: with (control) and without deflowering; 3 and 4: without (control) and with ...
Presence of Colletotrichum acutatum and Colletotrichum gloeosporioides on leatherleaf fern, key lime, papaya, star fruit and mango in Costa Rica and Florida (United States)
Presencia de Colletotrichum acutatum y Colletotrichum gloeosporioides en helecho hoja de cuero, limón criollo, papaya, carambola y mango en Costa Rica y Florida (Estados Unidos)
(2013-07-03)
Anthracnose is a disease caused by several species of the genus Colletotrichum on different hosts. C. acutatum and C. gloeosporioides are 2 morphologically similar species that can cause similar disease symptoms on the ...
Effect of fungicides propineb and mancozeb on the nutritional status of banana plants growing under hydroponic culture
Efecto de la aplicación de los fungicidas propineb y mancozeb sobre el estado nutricional de plántulas de banano en medio hidropónico
(2013-07-03)
The effect of reiterative and/or alternate application of propineb and mancozeb fungicides on the nutritional status and growth of banana seedlings produced in vitro culture was evaluated. The greenhouse experiment was ...
Precomposting of organic residues and its effect in the population dynamics of Einsenia foetida
Precomposteo de residuos orgánicos y su efecto en la dinámica poblacional de Einsenia foetida
(2013-07-03)
Composting and vermicomposting are processes used to transform organic solid residues into fertilizers (compost and vermicompost, respectively). The physical, chemical and biological properties of vermicompost result in ...