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Postharvest Diseases :: Fruits :: Citrus
Anthracnose: Colletotrichium gloeosporioides.

Symptoms

  • Superficial leathery appearance
  • Silver/grey to dark lesions.
  • Tear-staining pattern common.
  • Pink tinge (spores) under humid conditions.
Early stage Grey lesions Dark lesions Fruit anthracnose

Occurrence

  • Infection occurs by rain-splash during autumn.
  • Ethylene degreening increases sensitivity to anthracnose.

Management

  • Dead wood should be pruned as the fungus harbours in dead branches.
  • Field sprays of copper-based fungicides should be applied prior to autumn rains.
  • Postharvest treatment with Benzimidazole fungicides may reduce fruit losses.

Image source: http://www.idtools.org/id/citrus/diseases/factsheet.php?name=Lime+anthracnose


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