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Crop protection :: Arecanut

Root grub:  Leucopholis burmeisteri 
Symptom of damage:

  • Grubs feed on growing roots
  • Infested palms show a sickly appearance
  • Yellowing of leaves
  • Tapering of stem and reduction in yield.

Identification of the pest

  • Adult beetle is chestnut brown in colour.
Grub
Adult

Management:

  • Collection and destruction of adult beetles
  • Digging and forking of the soil
  • Addition of organic amendments and anti-feedants (neem, pongamia and oilcake)
  • Application of phorate (Thimet 10G) @ 15g per palm give effective control
  • Soil application of phorate around the plant twice a year
    • Before onset of southeast monsoon (May)
  • After the monsoon (Sep-October)
  • In severely infected gardens, the soil should be drenched with eco-friendly insecticides

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