Abstract
AbstractIsolation and characterization of viruses infecting garlic in Venezuela indicate the presence of onion yellow dwarf virus [OYDV] in most field‐grown plants of the clones Criollo venezolano, Morado peruano and Blanco, while 14% of the Criollo venezolano plants showed co‐infection of leek yellow stripe virus [LYSV] and OYDV. In leaf tissues OYDV showed an average concentration of 165 μg/g fresh wt., the value being similar among clones. In Criollo venezolano plants co‐infected by LYSV and OYDV the concentration of the former was three fold lower than that of OYDV. Serological tests on leaf extracts of garlic plants indicated the absence of the garlic yellow streak virus [GYSV], shallot latent virus [SLV] and garlic latent virus [GLV] in the clones Criollo venezolano, Morado peruano and Blanco. GLV was found to infect plants of the clone Gigante. Physicochemical analysis of purified GLV strongly supports the inclusion of this virus as a definitive member of the carlavirus group.
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