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Verticillium Wilt symptoms and treatment

Verticillium dahliae

Caused by soil-borne fungi that attacks through the roots and grows upward into the plant, causing wilting of the plant due to water stress.

Affects many species and can survive periods of cold weather.

Symptoms of Verticillium Wilt

  • Sudden wilting of the plant, especially in hot weather.
  • Stunting of plant growth
  • Yellowing and shriveling of the lower leaves
  • Black or brown streaks under the bark (for trees and large branched plants)
  • Branch die-back

Remedies for Verticillium Wilt

  • Plant resistant varieties
  • Is soil borne, so try to remove affected soil and disinfect shoes and gardening equipment that has come in contact with the affected plant.
  • Remove weeds and leaf debris from around the plant – some weeds can act as hosts to the disease
  • Pay particular attention to watering of the affected plant
  • Ammonium based fertilizer can be helpful to encourage stem growth and new conducting tissue

Verticillium Wilt can affect:


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