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Sugarcane disease: Red Rot

Red rot of Sugarcane

Red rot is one of the major diseases of sugarcane found in many areas of the world. It was first described in 1983.

Pathogen

  • Colletotrichum falcatum

Symptoms

  • The first symptom of red rot in the field is discoloration of the young leaves.
  • The margins and tips of the leaves wither and leaves droop.
  • The discoloration and withering continues from the tip of the leaf base.
  • When a diseased plant is open, a characteristic sour odour comes out, indicating the disease.
  • The tissues reddened throughout the basal portion and vascular bundle with white patches. These white patches are the characteristic symptom of red rot of sugarcane.

Control measures

  • The selected part should be chosen from healthy plants.
  • For seed disinfection, bordeaux mixture can be used.
  • Burning measures can be taken for infected leaves and cane.
  • Proper sanitation.
  • Resistant varieties can be used to control the disease.
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About Abulais Shomrat

Abulais Shomrat
Currently in 4th year (Hons) in the Department of Botany, University of Dhaka. Planning to have multiple careers one by one but promised to be with 'Plantlet' as long as it's primary stage remains unfinished.

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