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Crop Protection :: Chrysanthemum

Chrysanthemum aphid: Macrosiphoniella sanborniMyzus persicae
Symptoms of damage

  • Nymphs and adults suck the sap from under surface of leaves and terminal shoots.
  • Stunted growth of the plant
  • Curling of leaf
  • Withering of flowers.

Identification of the pest

  • Aphids are black (or) chocolate brown in colour

Management

  • Aqueous spray application of Vercillium lecanii (Vertilec) @ 15 g/lit (108 CFU/g)
  • Application (ultra low volume) of the entomogenous fungus V.lecanii
  • Neem formulations can be used in rotation with regular insecticides
  • Spray any following insecticides malathion 50 EC @ 1 ml/l of water,
Green peach aphids on underside of a leaf
Nymph
Winged adult

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