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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 ...
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 ...
Isolation and molecular characterization of Xylella fastidiosa from coffee plants in Costa Rica
(2008-10)
Coffee plants exhibiting a range of symptoms including mild to severe curling of leaf margins, chlorosis and deformation of leaves, stunting of plants, shortening of internodes, and dieback of branches have been reported ...
Catharanthus roseus (Apocynaceae) naturally infected with diverse phytoplasmas in Costa Rica
Catharanthus roseus (Apocynaceae) naturalmente infectada con diversos fitoplasmas en Costa Rica
(2019-01-30)
Phytoplasmas (class Mollicutes) are causal agents of plant diseases with an economic impact on crops or threatening local biodiversity. A survey was conducted from 2012 to 2016 on infected Catharanthus roseus plants that ...
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 ...