Browsing by Subject "MICROSCOPIA ELECTRONICA"

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Incidencia del virus de la tristeza de los cítricos en Venezuela

Plaza, G; Lastra, R; Martínez, J.E. (Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-04)

Citrus tristeza virus was detected by ELISA in 53% of the citrus trees tested in Aragua, Carabobo and Yaracuy states Vinus-like particles with the shape and size of CTV were visualized by electron microscopy. The severe ...