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LEAFROLL



Vein necrosis colours the finest veinlets black and brown
Vein necrosis colours the finest veinlets black and brown
Photo credit: CSIRO Division Hort.
Look For Look For Notes

   LOOK FOR


    Look for in leaves
  • Leaves with autumn colour between green veins
  • Red/purple between the veins in red varieties and yellow/red in white varieties

   CONDITIONS

  • More obvious in cooler seasons and on the shaded side of the canopy
  • Leafroll virus is best seen in autumn.

OTHER LEAFROLL IMAGES

Leafroll on red grape varieties. Veins often remain green Leafroll white grape varieties. Veins often remain green Variants of leafroll on red grape varieties

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