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Crop Name:  Coconut

Disease Image:  
Disease management in Agriculture
Disease Name:  Grey blight
Symptoms:  
  • Minute yellow spots surrounded by agrayish margin appear on leaflets. Gradually, the centre of the spot turnsgrayish white with dark brown margins and a yellow halo
  • Spots coalesce into irregular necrotic patches
  • Infected leaf blade completely dries up and shrivelsgiving a blighted or burnt appearance
Management:  
  • Correct potassium deficiency by applying recommended dose of potassium @ 3 kg /palm
  • Spray foliage with BM 1% or Copper Oxychloride or Captan 0.25%
  • Remove older affected leaves and burn
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