ZonePlant

Disease on crop

bacterial

Bacterial Hazelnut Blight on hazelnut

Xanthomonas arboricola pv. corylina

Bacterial disease that kills young hazelnut trees and damages established plantings, particularly during wet establishment.

Disease
Bacterial Hazelnut Blight
Pathogen type
Bacterial
Crop
Hazelnut
Scientific name
Xanthomonas arboricola pv. corylina

Bacterial Hazelnut Blight on hazelnut

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Symptoms on hazelnut

  • Reddish-brown angular leaf spots
  • Black sunken lesions on twigs and small branches
  • Death of young trees in nursery and first 2-3 years after planting

IPM controls

  • Copper sprays in fall and at bud break
  • Avoid pruning in wet weather
  • Plant in well-drained sites with good airflow
  • Source clean nursery stock from certified suppliers

Other crops affected by bacterial hazelnut blight

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