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Pulse beetle (Callosobruchus chinensis) of Chickpea

Pulse beetle (Callosobruchus chinensis) of Chickpea. Pulse beetle ( Callosobruchus chinensis ) of Chickpea:. Identification & Monitoring Adult beetle is 3 - 4 mm long, oval shaped chockalate coloured, body is pointed towards front. The adult emerges out of the pupa.

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Pulse beetle (Callosobruchus chinensis) of Chickpea

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  1. Pulse beetle (Callosobruchus chinensis) of Chickpea

  2. Pulse beetle (Callosobruchus chinensis) of Chickpea: • Identification & Monitoring • Adult beetle is 3 - 4 mm long, oval shaped chockalate coloured, body is pointed towards front. • The adult emerges out of the pupa. • The size of the adult beetle depends upon the size of the infested portion of the pulse. • The attack is during July-August in the stores.

  3. Damage • The adult and grub feed on the grain by making a small hole. • 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. • Kabuli types are particularly susceptible.

  4. Cultural Control • Periodical exposure of the grain to sun helps to check infestations. • Dry the pods to optimum kernel moisture level of about 7 %. • Store the pods in polythene-lined gunny bags and fill the top surface of the bag with a layer of 3 cm ht. sand. • Mouth of bags should not be stitched or closed to avoid germination loss. • Care should be taken to avoid breakage • Broken seeds should not be stored for long periods. • Dust an inert substance such as ABCD (attapulgite-based clay dust)

  5. Chemical Control • Dip the gunny bags in 10% malathion solution. • Apply E.D.B. ampulses @ 3 ml/q of seed in air tight storage structure. • Fumigation with aluminum phosphide protects the seed without affecting the viability.

  6. Mechanical Control • Dip the old gunny bags in boiled water for 15 minutes.

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

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