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Horticultural crops :: Fruits:: Mango

Stem end rot: Diplodia natalensis

Symptoms

  • The dark epicarp around the base of the pedicel
  • In the initial stage  the affected area enlarges to form a circular, black patch
  • Under humid atmosphere extends rapidly and turns the whole fruit completely black within two or three days.
  • The pulp becomes brown and somewhat softer.
  • Dead twigs and bark of the trees, spread by rains
Management
  • Prune and destroy infected twigs and spray Carbendazim or Thiophanate Methyl(0.1%) or
  • Chlorathalonil (0.2%) as fortnightly interval during rainy season.
Infected fruits  

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