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Crop Protection :: Pests of Tapioca

Whitefly: Bemisia tabaci 

Symptoms of damage:

  • Chlorotic spots on the leaves which latter coalesce forming irregular yellowing of leaf tissue
  • Severe infestation results in premature defoliation
  • Development of sooty mould
  • Vector of cassava mosaic virus

Identification of pest:

  • Nymph: Greenish yellow, oval in outline
  • Adult: Minute insects with yellow body covered with a white waxy bloom

Management:

  • Remove alternate host: Abutilon indicum
  • Set up yellow sticky trap
  • Spray any one of the following
    • Phosalone 35 EC @2.5 l/ha
    • Quinalphos 25 EC @ 2.0 l/ha
    • Triazophos 40 EC 2.0 l/ha
http://www.infonet-biovision.org/res/res/files/274.300x200.jpeg White fly adult

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