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White flies: White patches on leaves


Pest: Siphorinus phillyreae


Symptoms

White appearance in patches on lower surface of leaf in initial stage of infestation.


Control

  • Management of heavy whitefly infestations is difficult.

  • Remove infested leaves or hose down with water sprays.

  • Insecticidal soaps or oils such as neem oil may reduce but not eliminate populations. Systemic insecticides may be more effective but can have negative impacts on beneficial insects and pollinators.

  • Spray cyantraniliprole 10.26% OD @ 360 ml in 400 l of water / acre.

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