ZonePlant

Disease on crop

fungal

Cane Blight on blackberry

Leptosphaeria coniothyrium

Fungal disease that enters through wounds (often from cane-borer or pruning cuts) and causes dark cankers that wilt and kill canes.

Disease
Cane Blight
Pathogen type
Fungal
Crop
Blackberry
Scientific name
Leptosphaeria coniothyrium

Cane Blight on blackberry

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Symptoms on blackberry

  • Dark brown cankers below pruning cuts or wounds
  • Wilting and dying of fruiting laterals
  • Small black fruiting bodies in dead bark

IPM controls

  • Prune only in dry weather
  • Disinfect pruning tools between plants
  • Remove and destroy infected canes
  • Manage cane-borers to reduce wound entry sites
  • Plant rust- and borer-resistant varieties

Other crops affected by cane blight

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