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First report of Xylella fastidiosa infecting coffee in Costa Rica
(2001-09)
In 1995, severe symptoms were observed on ‘Caturra’ and ‘Catuaí’ coffee (Coffea arabica L.) varieties in farms in the southern part of the Central Valley in Costa Rica. Symptoms were reduced leaf size, malformation of ...
First Report of Citrus variegation virus in Palestine Sweet Lime, as Coffee Shade in Costa Rica
(2011)
Symptoms resembling those of Citrus variegation virus (CVV) were observed in old Palestine sweet lime trees (Citrus limettioides Tan.) used as coffee shade in the Central Valley in Costa Rica. The symptoms include leaf ...
Direct and indirect in vitro regeneration of Vanilla odorata C. Presl. and V. pompona Schiede, two aromatic species with potential relevance for future vanillin production
(2023-10-11)
Direct and indirect shoot regeneration in Vanilla odorata and indirect for V. pompona are described for the first time. Both species produce fragrant, vanillin-containing seed pods and are closely related to the commercially ...
Chayote mosaic, a new disease in Sechium edule caused by a tymovirus
(1997-04)
A sap-transmissible virus was isolated from chayote (Sechium edule) in Costa Rica. Infected plants showed chlorotic spots and rings, and blotchy mosaics, which often coalesced to give a complete mosaic and leaf deformation. ...
Latin America: Reduced S&T Investment Puts Sustainable Development at Risk
(2020)
Latin America is home to more than 600 million people and has considerable natural
and human resources. However, investment in science and technology (S&T) lags far behind that
in developed countries. This gap represents ...
Caracterización del MStV asociado a una enfermedad de maíz en Costa Rica
(1991-09)
Maize stripe virus (MStV) was identified as a causal agent of a corn disease in Costa Rica. Cytoplasmic inclusion bodies in needle, ring and eight-shapes were observed by light microscopy in infected leaf tissue. Different ...
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 ...
Infección de la orquídea terrestre Phaius tankervillae (Orchidaceae) con el cymbidium mosaic potexvirus (CymMV) en Costa Rica
(1999)
En 1996, en un pequeño vívero comercial en la zona oeste del Valle Central de Costa Rica se observaron plantas de la orquídea terrestres Phaius tankervilliae que mostraban síntomas foliares de leves a severos de un estriado ...
Comparative Epidemiology of Citrus tristeza virus in Plantings of Various Citrus Species in Costa Rica, and Long Distance Spread by the Brown Citrus Aphid
(2002)
Five 400-tree plots were established to compare the virus increase and spread of Citrus tristeza virus (CTV) among grapefruit, orange and lemon plots in San Carlos and Nicoya citrus producing areas of Costa Rica. Tree ...
Genetic diversity and geographic distribution of Bemisia tabaci and Trialeurodes vaporariorum in Costa Rica
(2019)
The tobacco whitefly Bemisia tabaci (Gennadius) cryptic species complex and of the greenhouse whitefly Trialeurodes vaporariorum (Westwood) are extensively reported as destructive pests in vegetable crops worldwide. A ...