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Fusarium wilt

Common Plant Fungal Disease

Pathogen Information

Fusarium wilt is caused by fungus Fusarium oxysporum a soil born fungi that can be identified by the characteristics:

  • yellowing and wilting of leaves
  • Stunted growth
  • Browning along the vascular tissue
  • Roots can begin to rot
Microscopic view of powdery mildew

Environmental Conditions

  • Temperature: 70-80°F
  • Humidity: Thirives in wet soils with an acidic soil
  • Most effected species: Nightshade are the most commonly affected however some strains have mutated becoming more destructive such as the panama disease
Environmental conditions diagram

Disease Progression

Early Stage

The fungus invades through the roots showing no symptoms at first

Disease progression stages

Mid Stage

as it spreads the xylem tissue will become brown and leaves will begin wilting

Disease progression stages

Late Stage

the plant will die off and the fungus will release spores to spread

Disease progression stages

Prevention Methods

  • avoid heavy watering and dont water after rainfall
  • Maintain proper plant spacing
  • Remove and destroy infected plant debris
  • Use disease-free seeds and resistant varieties
  • Rotate crops with non-susceptible plants
Prevention methods illustration

Treatment Options

  • No current treatments are available prevention is the best way to treat the disease
Treatment methods