Browsing University of Hertfordshire by Author "Arciniegas, N."

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    • Molecular variation of Potato yellow vein virus isolates 

      Offei, S.K.; Arciniegas, N.; Guzmán, M.; Müller, G.; Salazar, L.F.; Coutts, Robert H.A. (2004-04-01)
      To evaluate the variation of Potato yellow vein virus from potato fields, 12 isolates were collected from Colombia and one was collected from Peru. Double-stranded RNA was extracted from the plants and used as a template ...

    • Occurrence and variability of Potato yellow vein virus in three departments of Colombia 

      Guzman, M.; Ruiz, E.; Arciniegas, N.; Coutts, Robert H.A. (2006-12)
      Potato yellow vein virus (PYVV) causes dramatic yield reductions in potatoes in Andean countries, particularly Colombia. We tested 250 potato leaf samples suspectedly infected with PYVV from three Colombian Departments and ...