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Horticultural crops :: Spices:: Cardamom

Cardamom mosaic virus (CDMV)

Symptoms

  • General chlorosis of young leaves – parallel streaks of pale green tissues running along the veins from midrib to the margins.
  • Leaf sheath also shows stitch stripes.
  • In advanced stage the whole plant shows mosaic symptom.
  • Rhizome shrivels and plants dies. If young clumps are attached they die before flowering.
  • Vector: Pentalonia nigronervosa

Management

  • Collection and removal of infected clumps along with rhizomes and burning.
  • Raising of nursery in diseases free areas.
  • Spray with dimethoate (or) Methyl dematan (or) Phosphomidon to kill the vector.

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