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Grape (Table)

Other Pests You May See

On this page
  • Eutypa dieback
  • Phomopsis cane and leaf spot

If your vineyard has a history of either Eutypa dieback or Phomopsis cane and leaf spot, look for symptoms of these diseases using the photos below. Names link to more information on identification and management.

Click on photos to enlarge
Vine Damage

Leaf damage

Eutypa dieback
Eutypa dieback
Identification tip: A trunk damaged with Eutypa dieback can have stunted and weakened shoots with shortened internodes.

Pruning wounds cankers
Look for large pruning wound cankers caused by Eutypa dieback.

Eutypa deiback leaf damage
Eutypa dieback
Identification tip: Leaves infected by Eutypa fungus have a tattered, misshapen appearance.

Phomopsis cane and leaf spot
Phomopsis cane and leaf spot
Identification tip: Primary infections of Phomopsis show up as small spots on basal portion of shoots.

Phomopsis infected shoots
Large number of spots give Phomopsis infected shoots a scabby appearance.

Phomopsis cane and leaf spot
Phomopsis cane and leaf spot
Identification tip: Damaged foliage has tiny, black leaf spots with yellowish margins.


Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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