• Una doble infección viral en orquídeas del género Cymbidium 

      Velasco, Ana Cecilia; Hernández Chavarría, Francisco; Gámez Lobo, Rodrigo (1986)
      A double -viral infection in Cymbidium hybrids is described. Virions were discovered by negative staining of sick plant sap, which showed a rigid type and a flexible virus. Two types of viral-cytoplasmatic inclusions, ...