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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 ...
Isolation and molecular characterization of Xylella fastidiosa from coffee plants in Costa Rica.
(2008-10)
Coffee plants exhibiting a range of symptoms including mild to severe curling of leaf margins, chlorosis and deformation of leaves, stunting of plants, shortening of internodes, and dieback of branches have been reported ...
First Report of Xylella fastidiosa in Avocado in Costa Rica
(2008-01)
Since the late 1990s, chlorotic mottling, marginal scorch, deformation of leaves, defoliation, shortening of internodes, and branch dieback have been observed in avocado trees (Persea americana Mill.) in Costa Rica. The ...
Field Survey of Cucumber mosaic virus Subgroups I and II in Crop Plants in Costa Rica
(2001-09)
Leaf samples were collected from cucurbit and solanaceous crop plants and Musa spp. in 28 locations in five provinces of Costa Rica during the period from January to October 1996. Sampling sites were selected in dry, humid, ...
Rayado virus fino: detection in salivary glands and evidence of increase in virus titer in the leafhopper vector Dalbulus maidis.
(1981-03)
El virus rayado fino del maíz se detectó en las glándulas salivales de insectos transmisores
(Dalbulus maidis) examinadas al microscopio electrónico. Por otra parte,utilizando la técnica serológica de ELISA (enzyme-linked ...
Adaptación de una técnica de inmunosorbencia (ELISA) a la detección del virus del rayado fino del maíz en su insecto vector
(1983-06)
An enzyme-linked immunosorbent assay (ELISA) was adapted for detection of maize rayado fino virus (RFV) in its insect vector Dalbulus maidis. Optimization of experimental conditions for the assay included the use of ...
Genetic Diversity of Xylella fastidiosa Strains from Costa Rica, São Paulo, Brazil, and United States
(2007-10)
The diversity of 42 Xylella fastidiosa strains from Costa Rica, São Paulo, Brazil, and the United States were analyzed using the sequence of the 16S rRNA gene by variable number of tandem repeat (VNTR) fragment analysis ...