Banana (Musa spp.)

Banana mosaic or Infection chlorosis (Cucumber Mosaic Virus (Banana strain); Vector : Aphis gossypii ))

Symptoms

  • The disease is characterized by typical mosaic symptoms on the leaves.
  • Mosaic plants are easily recognised by their dwarf growth and mottled, distorted leaves.
  • The earliest symptoms appear on young leaves as light Yellow or yellowish streaks and bands giving a mottled appearance.
  • Subsequently produced leaves become small and distorted with wavy margins.
  • In severe cases, rotted areas are found through out the leaf sheath and pseudostem.
  • Affected plants become stunted & produce smaller bunches

Management

  • Systematic eradication of the diseased plants, suckers and the clumps is very essential.
  • Planting materials should not be collected from places affected by this disease.
  • The affected plant should be killed with kerosene or herbicides
  • Avoid growing leguminous and cucurbitaceous vegetables as intercrop.
  • Before planting, spread lemon grass in the pits.

Chemical Control

Sl.No Generic Name Trade Name Color code Dosage/litre Knapsack Sprayer (Capacity 10L) Recommendation Remarks
Dosage/acre (200 L) Dosage/hectare (500 L)
1 Dimethoate 30 EC Nugor, Rogor, Tagor, Tara 909 Yellow 2 ml/1 litre of water 20 ml 400 ml 1000 ml To control vectors
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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic