Buscar
Mostrando ítems 1-5 de 5
Occurrence of Squash yellow mild mottle virus and Pepper golden mosaic virus in Potential New Hosts in Costa Rica
(2013-09)
Leaf samples of Solanum lycopersicum, Capsicum annuum, Cucurbita moschata, Cucurbita pepo, Sechium edule and Erythrina spp. were collected. All samples were positive for begomoviruses using polymerase chain reaction and ...
Papaya ringspot virus and Cucumber mosaic virus associated with a severe mosaic in melon
(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 ...
Caracterización del MStV asociado a una enfermedad de maíz en Costa Rica
(1991-09)
Maize stripe virus (MStV) was identified as a causal agent of a corn disease in Costa Rica. Cytoplasmic inclusion bodies in needle, ring and eight-shapes were observed by light microscopy in infected leaf tissue. Different ...
Mechanical transmission of maize rayado fino marafivirus (MRFV) to maize and barley by means of the vascular puncture technique
(2000-04)
Maize rayado fino marafivirus (MRFV) was mechanically transmitted to kernels of three Costa Rican maize cultivars by the vascular puncture technique. A transmission rate of up to 43.2% was obtained for cultivar HC‐57. The ...
Detección de crinivirus y begomovirus en plántulas de tomate y arvenses asociadas a semilleros
Crinivirus and begomovirus detection in tomato plantlets and weeds associated to nurseries
(2017)
El objetivo de este trabajo fue detectar infecciones causadas por el Tomato chlorosis virus (ToCV) y begomovirus en plántulas de tomate, y en las arvenses de los alrededores de los invernaderos. En el período de un año, a ...