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Crop Protection :: Pests of Guava

Spiraling whitefly: Aleurodicus dispersus

Symptoms of damage

  • Nymphs and adults suck the sap from leaves
  • Honey dew - development of sooty mould fungus
  • Yellowing of leaves.
  • Dropping of affected leaves.

Identification of pest

  • Nymph - short glass like rods of wax along the sides of the body
  • Adult - Powdery white, active during early morning hours.

Management

  • Field sanitation
  • Removal of host plants
  • Installation of yellow sticky traps
  • During heavy infestation - application of imidacloprid 200SL at 0.01% or triazophos 40EC at 0.06%
  • Spray neem oil 3% or NSKE 5%
  • Release of predators viz., Coccinellid predator, Cryptolaemus montrouzieri
  • Release of parasitoids viz., Encarsia haitierrsis and E.guadeloupae

Image Source: Krishna gowda
 

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