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Horticultural crops :: Spices:: Cardamom

Azhukal disease / capsule rot / fruit rot – Phytophthora parasitica car. nicotianae/ Phytophthora palmivora
Exporters of Cardamom essential oil cardamom essential oil natural and pure cardamom oil.

Symptoms

  • Symptoms can appear on tender and matured leaves. Large circular, irregular, water soaked spots with black colour appear on leaves.
  • The exposed portion of the unopened leaves my rot.
  • Grey patches of irregular spots with brown margin are formed at the base of the leaf sheath.
  • The basal portion rots and the pseudo stem break away at the collar region.
  • The infection spreads to the underground plants and the rhizomes become rots.
  • Small light brown lesions appear in the green tender fruits which fall of in 3-6 days leaving the small fruit stalk. The tip of inflorescence also rot.
Management
  • Removal and burning of infected plants.
  • Avoid moving of rhizomes from diseased areas to healthy area for planting
  • Provide proper drainage
  • Three sprays with Bordeaux mixture 1% in May, June, July
  • Soil drench with Bordeaux mixture 1 % (or) Copper oxychloride  0.25%

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