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Infección de la orquídea terrestre Phaius tankervillae (Orchidaceae) con el cymbidium mosaic potexvirus (CymMV) en Costa Rica 

Moreira Carmona, Lisela; Villalobos Muller, William; Rodríguez Cerezo, Emilio; Rivera Herrero, Carmen (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 ...
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Estudio de la distribución de las enfermedades virosas de la caña de azúcar en Costa Rica 

Chavarría Soto, Erick; Moreira Carmona, Lisela; Lockhart, Benham E.; Rivera Herrero, Carmen; Villalobos Muller, William (2006)
El estudio de las enfermedades de origen viral requiere de técnicas inmunológicas de alta precisión y confiabilidad. Haciendo uso de estas herramientas y con el apoyo del Ministerio de Ciencia y Tecnología y del Centro de ...

First Report of the Cymbidium Mosaic Potexvirus (CymMV) Infecting the Terrestrial Orchid Phaius tankervilliae in Costa Rica 

Moreira Carmona, Lisela; Villalobos Muller, William; Hsu, H.T.; Rodríguez Cerezo, Emilio; Rivera Herrero, Carmen (1998-10)
In 1996, plants of the terrestrial orchid Phaius tankervilliae from a nursery in the Central Valley of Costa Rica were observed with mild to severe foliar symptoms of chlorotic streak. No differences were observed in growth, ...

First Report of Xylella fastidiosa Infecting Citrus in Costa Rica 

Aguilar Alvarez, Estela Yamileth; Villalobos Muller, William; Moreira Carmona, Lisela; Rodríguez Solís, Carlos Mario; Kitajima, Elliot Watanabe; Rivera Herrero, Carmen (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 ...
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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 

Moreira Carmona, Lisela; Villalobos Muller, William; Molina Bravo, Ramón; Stephens Cárdenas, Stephen A.; Hilje Rodríguez, Irena; Blanco Vargas, Marilyn; Villalobos Navarro, Dayana; Gätjens Boniche, Omar (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 New Phytoplasma Diseases Associated with Soybean, Sweet Pepper, and Passion Fruit in Costa Rica 

Villalobos Muller, William; Moreira Carmona, Lisela; Rivera Herrero, Carmen; Lee, Ing-Ming (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, ...
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Identification and distribution of melon infecting viruses and their vectors in two provinces of Costa Rica 

Rivera Herrero, Carmen; Villalobos Muller, William; Sánchez Vega, Marco Vinicio; Zumbado, C.; Rodríguez Solís, Carlos Mario (1993)
Papaya ringspot potyvirus (PRSV), watermelon mosaic 2 potyvirus (WMV-2), cucumber mosaic cucumovirus (CMV) and zucchini yellow mosaic potyvirus (ZYMV), singly or in mixed infections, were identified by ELISA in melon ...

Genipa americana and Ageratina anisochroma, two new hosts of Candidatus Phytoplasma asteris in Costa Rica 

Villalobos Muller, William; Montero Astúa, Mauricio; Coto Morales, Teresita; Sandoval Carvajal, Izayana; Moreira Carmona, Lisela (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 ...
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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 

Villalobos Muller, William; Martini, Marta; Garita Salazar, Laura Cristina; Osler, Ruggero; Moreira Carmona, Lisela; Muñoz García, Melania Nelly (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 ...
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Chayote mosaic, a new disease in Sechium edule caused by a tymovirus 

Hord, Melanie J.; Villalobos Muller, William; Lizano Umaña, Ana Victoria; Rivera Herrero, Carmen (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. ...
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Villalobos Muller, William (24)
Moreira Carmona, Lisela (20)Rivera Herrero, Carmen (17)Rodríguez Solís, Carlos Mario (6)Garita Salazar, Laura Cristina (5)Montero Astúa, Mauricio (5)Lee, Ing-Ming (4)Bottner Parker, Kristi D. (3)Díaz, Carlos (3)Saborío Rodríguez, Guido (3)... View MoreTypeinfo:eu-repo/semantics/article (23)info:eu-repo/semantics/conferenceObject (1)ProcedenceVicerrectoría de Investigación (24)Vicerrectoría de Docencia (9)... View MoreHas File(s)Yes (21)No (3)

  • Repositorios universitarios

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Universidad de Costa Rica