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Horticultural crops :: Plantation :: Tea

Horse hair blight: Marasmius crinisequi
Symptoms
  • Black fungal threads resembling horse hair are attached to upper branches and twigs by small brown discs.
  • The fungus penetrates and infects the twigs from the discs and produces volatile substances that cause rapid leaf drop.

Life cycle

  • This pathogen is spread from infected twigs to healthy twigs by extending its hair-like threads.

Management

  • Remove a and destroy all crop debris from around plants
  • Prune out infected or dead branches from the plant canopy

Content validator: Dr. M. Deivamani, Assistant Professor, Horticulture Research Station, Yercaud-636602.

Image source:
Keith, l., Ko, W.H and Sato D.M. 2006. Identification Guide for Diseases of Tea (Camellia sinensis). Plant Disease, 33, pp-1-4.

Horse hair threads

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