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Crop Protection :: Pest of Sorghum

Shoot bug: Peregrinus maidis
Symptom of damage:
  • Plants become unhealthy stunted and yellow
  • The leaves wither from top downwards
  • Honeydew secreted by the bug causes growth of sooty mould on leaves
  • Panicle formation is inhibited and the plants die if attack is severe
  • The midribs of the leaves turn red due to egg-laying and may dry up subsequently

Identification of the pest:

  • Egg: Laid inside the leaf tissue and covered with a white waxy substance
  • Adult: Yellowish brown to dark brown with translucent wings
   
  Stunted and toppled leaves   Midrib with egg layings Peregrinus maidis

Management:

  • Spray with 0.04% diazine (or) dimethoate 0.02% or phosphomidon @250 ml in 500 litres water/ha
Source of images:
http://www.agropedia.in/sites/default/files/Insect%20pests%20of%20sorghum%20and%20pearl%20millet%20in%20SAT%20and%20their%20management.pdf http://agridr.in/tnauEAgri/eagri50/ENTO331/lecture03/sorghum/004_clip_image002_0000.jpg

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