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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 ...
Genus Orthotospovirus in Costa Rica: A Central American case
El género Orthotospovirus en Costa Rica: Un caso centroamericano
(2023-12-28)
Objective/Background. The Orthotospovirus genus encompasses a range of economically significant and emerging plant viruses that affect a variety of crops globally. While the prevalence and characteristics of these ...
Incidence, Distribution, and Association of Spongospora subterranea and Potato mop-top virus in Costa Rica
(2008)
A survey was conducted in 39 potato (Solanum tuberosum) fields in Costa Rica to determine incidence and association of Spongospora subterranean f. sp. subterranea and Potato mop-top pomovirus (PMTV). The fields were located ...
Diagnóstico de infecciones virales en plantaciones de papa (Solanum tuberosum L.) en la zona de Alfaro Ruiz, Costa Rica
Diagnostic of viral infections in potato (Solanum tuberosum) in Alfaro Ruíz, Costa Rica
(2008)
La presencia de 13 virus que afectan al cultivo de papa se investigó en el cantón de Alfaro Ruiz (zona de Zarcero) en Costa Rica. Se muestrearon 14 plantaciones de papa, y de cada una se recolectaron muestras foliares de ...
Efecto de la infección de PVX y PVY en la producción de Solanum tuberosum en invernadero con los cultivares Floresta y Granola
PVX and PVY effect on Solanum tuberosum greenhouse yield of the cultivars Floresta and Granola
(2004)
Se realizaron dos ensayos en invernadero para medir el efecto de la infección de PVY y PVX en las variedades cultivadas de papa Floresta y Granola, comúnmente sembradas en Costa Rica. Se sembraron vitroplantas libres de ...
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 ...
Occurrence of Potato Powdery Scab Caused by Spongospora subterranea f. sp. subterranea in Costa Rica
(2002-11)
Powdery scab of potatoes, caused by Spongospora subterranea (Wallr.) Lagerheim f. sp. subterranea Tomlinson, is important worldwide due to its effect on tuber quality and transmission of Potato mop-top virus. Although ...
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 ...
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 ...
First report of Iris yellow spot virus in Costa Rica
(2017)
Iris yellow spot virus (IYSV), an emerging disease of onion crops, was identified by transmission electron microscopy, enzyme linked immunosorbent assay, and reverse transcription polymerase chain reaction in Costa Rica. ...