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Bruchids in Chickpeas

Bruchids
Bruchids' seed damage
Bruchids  and their damage to the seeds
  Damage symptoms :
  • Infested stored seed can be recognized by the white eggs on the seed surface and the round exit holes with the 'flap' of seed coat .

  • Infested seeds lose their viability and are unfit for human consumption.
  • Bruchids are seldom found on chickpea pods in the fields unlike in pigeonpea.

  • Kabuli types are particularly susceptible.

Description

  • The adult is a mottled brown beetle.

  • The white larva burrows into the pod or seed through the base of the egg.

  • Eggs are laid on the pods or stored seeds.

  • The larva develops into a pupa inside the seed from which the adult emerges through a neat cylindrical hole.

  • One generation takes 4 weeks or more.

Control :

  • Seed is sun dried before storing in a clean beetle-proof storage container (metal, wood, earthware, or plastic).

  • Fumigation with aluminum phosphide protects the seed without affecting the viability.

  • Coat the seed with small quantities of vegetable oil or mix neem leaves in the stored grain.

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