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First Report of Xylella fastidiosa in Nerium oleander in Costa Rica

Montero Astúa, Mauricio; Saborío Rodríguez, Guido Alonso; Chacón Díaz, Carlos; Villalobos Muller, William; Rodríguez Solís, Carlos Mario; Moreira Carmona, Lisela; Rivera Herrero, Carmen (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 ...

Papaya ringspot virus and Cucumber mosaic virus associated with a severe mosaic in melon

Rivera Herrero, Carmen; Ramírez Fonseca, Pilar; Rodríguez Solís, Carlos Mario (1991-09)

Severe mosaic disease was observed in several melon fields in Costa Rica during the period 1987-1991. Two viruses, papaya ringspot virus (PRSV) and cucumber mosaic virus (CMV) were associated in single and mixed infections ...