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‘Candidatus Phytoplasma costaricanum’ a novel phytoplasma associated with an emerging disease in soybean (Glycine max).
(2011-12)
A novel phytoplasma, designated strain SoyST1c1, associated with a newly emerging disease in soybean (Glycine max), known as soybean stunt (SoyST), was found in 2002 in a soybean plantation in Alajuela Province, Costa Rica. ...
Guazuma ulmifolia (Sterculiaceae), a new natural host of 16SrXV phytoplasma in Costa Rica
Guazuma ulmifolia (Sterculiaceae), un nuevo hospedero natural de fitoplasmas del grupo 16SrXV en Costa Rica
(2011-04)
Guacimo trees (Guazuma ulmifolia, Sterculiaceae) showing witches’ broom symptoms (GWB), small leaves, short internodes, stunting and no flower and fruit production were observed on side roads and fences in different areas ...
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 ...
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. ...
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 ...
Detección del viroide de la exocortis en plantaciones comerciales, utilizando la selección 861-S1 del cidro Etrog (Citrus medica L.)
Detection of CEVd in an orange grove using the Arizona 861-S1 selection of the ‘Etrog’ citron
(2004)
La prueba de infectividad empleada tradicionalmente para el viroide de la exocortis consiste en injertar yemas de los árboles por evaluar en clones sensibles, como el cidro Arizona 861-S1, el cual ha sido previamente ...
Citrus Huanglongbing Associated with ‘Candidatus Liberibacter asiaticus’ Present in the Northern Region of Costa Rica but Has Not Been Detected in Other Citrus- Growing Areas
(2015-12)
Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ...
First Report of Xylella fastidiosa in Nerium oleander in Costa Rica
(2008-08)
Oleander (Nerium oleander L.) shrubs presenting mottling, leaf tip and margin scorch, short internodes, defoliation, and branch dieback were observed at different localities in the Central Valley in Costa Rica. Severity ...
Fitopatología y comportamientos culturales: posible introducción de la cepa de chaya del Cassava common mosaic virus en Costa Rica
Phytopathology and cultural behaviors: putative introduction of Chaya-strain of Cassava common mosaic virus to Costa Rica
(2023-12-30)
Objetivo/Antecedentes. Las hojas del arbusto de chaya (Cnidoscolus aconitifolius)
o árbol espinaca, o chicasquil (en Costa Rica), son parte de la tradición culinaria
Mesoamericana, con origen en el sur de México y ...