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Nutmeg diseases – Kisan Suvidha
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Nutmeg diseases

nutmeg diseases

Nutmeg diseases

Major Nutmeg diseases are:-

1.Nutmeg Leaf spot and shot hole: Colletotrichum gloeosporioides

nutmeg short hole

Symptoms:
  • Sunken spots surrounded by a yellow halo are the initial symptoms.
  • Subsequently, the central portion of the necrotic region drops off resulting in shot hole symptoms.
  • Dieback symptoms are also observed in some of the mature branches.
  • On young seedlings drying of the leaves and subsequent defoliation are seen.
Management:
  • The disease can be controlled by spraying 1% Bordeaux mixture two or three times during the rainy season.

 

2.Nutmeg Fruit rot: Colletotrichum gloeosporioides and Botryodiplodia theobromae

fruit rot of nutmeg
Symptom:
  • This is caused by Colletotrichum gloeosporioides and Botryodiplodia theobromae.
  • Water soaked lesions are seen on the fruits, the tissues of which become discoloured and disintegrated.
  • Premature splitting of the pericarp and rotting of mace and seed are the main symptoms of the disease.
  • The internal tissues are found rotten. The fallen fruits become enveloped with the growth of the organism.
Management:
  • The disease can be controlled by spraying 1% Bordeaux mixture

 

Source-

  • TamilNadu Agritech Portal

 

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