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FANLEAF & RUGOSE WOOD



Fanleaf affected vines with yellow mosaic symptoms often occur in patches in the vineyard
Fanleaf affected vines with yellow mosaic symptoms often occur in patches in the vineyard
Photo credit: Peter Magarey
Look For Look For Notes

   LOOK FOR


    Look for in leaves
  • Fan shaped leaves
  • Yellowed and blotched leaf blades (mosaic)
  • Yellow banding along veins in late summer

   CONDITIONS

  • FANLEAF
  • Fanleaf-affected vines occur in patches
  • Fanleaf virus is widespread in New Zealand. In Australia it occurs mainly in the Rutherglen-Corowa area.
  • The three main symptom types are fanleaf, yellow mosaif and vein banding
  • RUGOSE WOOD
  • Corky bark (GVA and GVB), stem pitting and other virus often occur together
  • These viruses cannot be identified in the field. They cause graft imcompatibility in some vines.

OTHER FANLEAF & RUGOSE WOOD IMAGES

Rugose wood virus can cause over-growth of some vines on rootstocks Rugose wood virus may cause incompatibility at the graft-union, restricting sap flow and shoot growth Close-up view; note the black line

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