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Mostrando ítems 11-20 de 30
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 ...
First Report of New Phytoplasma Diseases Associated with Soybean, Sweet Pepper, and Passion Fruit in Costa Rica
(2009-02)
A new soybean disease outbreak occurred in 2002 in a soybean (Glycine max) plantation in Alajuela Province, Costa Rica. Symptoms on the affected plants included general stunting, small leaves, formation of excessive buds, ...
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 ...
First Report of Orchid fleck virus in Costa Rica
(2002-12)
Orchid fleck virus (OFV), a tentative member of the family Rhabdoviridae, infects orchids in several countries. The virus is vectored worldwide by the mite Brevipalpus californicus (Banks) (Acari: Tenuipalpidae). Eleven ...
First Report of an Aster Yellows Subgroup 16SrI-B Phytoplasma Infecting Chayote in Costa Rica
(2002-03)
An outbreak of a witches' broom disease affected approximately 20% of plants in several chayote (Sechium edule (Jacq.) Schwartz) fields in the commercial production area of the Ujarrás Valley, Cartago Province, Costa Rica ...
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 ...
Genipa americana and Ageratina anisochroma, two new hosts of Candidatus Phytoplasma asteris in Costa Rica
(2018-08-23)
We report two new plant species hosts for Candidatus Phytoplasma asteris: Genipa americana (Rubiaceae) and Ageratina anisochroma (Asteraceae). Phytoplasma infections were detected by real-time loop-mediated isothermal ...
First Report of Xylella fastidiosa Infecting Citrus in Costa Rica
(2005-06)
Citrus variegated chlorosis (CVC) is an important disease mainly of sweet orange (Citrus sinensis (L.) Osbeck) cultivars. It was first described in Brazil in the state of Sā Paulo in 1987 (4). The disease has spread to all ...
Detection of Plantago asiatica mosaic virus in lily hybrid plants(Lilium spp.) in Costa Rica grown from imported bulbs
(2017-12)
Plantago asiatica mosaic virus (PlAMV) was detected in Costa Rica infecting lily plants showing foliar chlorotic and necrotic streaking. Virus identity was established by TEM, sequencing and ELISA. Pathogenicity was confirmed ...
Confirmation of Xylella fastidiosa infecting grapes (Vitis vinifera) in Costa Rica
Confirmación de la presencia de Xylella fastidiosa infectando vid (Vitis vinifera) en Costa Rica
(2008-11)
In 2003, symptoms of Pierce Disease (PD) were observed in two vineyards established in two different localities in San Jose province (Santa Ana and La Uruca) and in La Garita, Alajuela province. Twenty four symptomatic ...