Pecan IPM Toolbox:  Disease Prevention

A Variety of Causal Agents

Disease-Resistant Varieties of Pecan Trees

Preventing Fungicide Resistance in Pecan Scab

Air Circulation Is Important

Pruning Is Helpful

Crop Sanitation

Last Line of Defense

Major Diseases of Pecan Trees

• Nut and Foliage Diseases
  • Pecan scab
  • Powdery mildew
• Nut Diseases
  • Stem end blight
  • Shuck dieback
  • Pink mold
  • Kernel discoloration
• Foliage Diseases
  • Downy spot
  • Brown leaf spot
  • Anthracnose - under construction
  • Vein spot
  • Leaf spot - under construction
  • Articularia leaf mold
• Twig or Limb Diseases
  • Bunch
  • Fungal twig dieback
• Root Diseases
  • Cotton root rot
  • Crown gall
  • Root knot nematodes

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