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Sesame insects A Lecture By Mr Allah Dad Khan

Sesame insects A Lecture By Mr Allah Dad Khan

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Sesame insects A Lecture By Mr Allah Dad Khan

  1. 1. Sesame Crop Insects A Presentation To IPM Course/FFS Participants By Mr. Allah Dad Khan Provincial Coordinator IPM KPK For MINFAL Pakistan
  2. 2. Crop: Sesamum Scientific name: Sesamum indicum Family: Pedaliaceae
  3. 3. Symptoms of damage:   The young larvae roll together a few top leaves and feed them  In the early stage of infestation, the plant dies without producing any branch or shoot  In later stage of attack, infested shoots stop growing  At flowering, larvae feed inside the flowers and on capsule formation, larvae bore into capsule and feed on developing seeds Leaf webber/ roller and capsule borer: Antigastra catalaunalis
  4. 4. Identification of the pest:  Larvae: Greenish in colour with black head having short white hairs  Adult: Medium sized moth with reddish yellow forewings Leaf webber/ roller and capsule borer: Antigastra catalaunalis
  5. 5. Symptoms of damage: Caterpillar feeding  The young larvae roll together a few top leaves and feed them  In the early stage of infestation, the plant dies without producing any branch or shoot  In later stage of attack, infested shoots stop growing  At flowering, larvae feed inside the flowers and on capsule formation, larvae bore into capsule and feed on developing seeds Hawk or Dead head moth (Sphinx caterpillar): Acherontia styx
  6. 6. Identification of the pest:  Larvae: Greenish in colour with black head having short white hairs  Adult: Brownish giant hawk moth, thorax with a characteristic skullmarking, abdomen has violet and yellow band. Forewings are dark brown and Hind wings are yellowish with 2 black lines Hawk or Dead head moth (Sphinx caterpillar): Acherontia styx
  7. 7. Symptoms of damage:  Fully grown larvae make a hole in the bud and damage the flower Linseed gall fly: Dasyneura sesame
  8. 8. Identification of the pest:  Larva: Maggots are whitish, legless  Adult: Mosquito like fly Linseed gall fly: Dasyneura sesame
  9. 9. Symptoms of damage: Infested Flower Bud  Maggots feed inside the floral bud  Leading to formation of gall like structure which do not develop in to flower/capsules  The flower buds wither and drop Gall fly: Asphondylia sesami
  10. 10. Identification of the pest:  Larva: Maggots are whitish, legless and with body tapering exteriorly  Adult: Mosquito like fly Gall fly: Asphondylia sesami
  11. 11. Symptoms of damage:   Curling of leaf edges and leaves turn red or brown  The leaves dry up and shed  Vector of sesamum phyllody Leaf hopper: Orosius albicinctus
  12. 12. Identification of the pest:  Adult: Light brown coloured hopper Leaf hopper: Orosius albicinctus
  13. 13. Symptoms of damage:  Crinkling and curling of leaves  Leaves appear shiny and sticky due to honeydew excreted by the insects  Later sooty mold grows on honey dew and leaves have a black coating Aphids: Aphis gossypii
  14. 14. Identification of the pest:  Adult: Yellowish to dark Aphids: Aphis gossypii

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  • zawoo

    Mar. 20, 2017

Sesame insects A Lecture By Mr Allah Dad Khan

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