Cabbage aphid

Cabbage aphid: Brevicoryne brassicae

Symptoms of damage:

  • Yellowing
  • Crinkling and cupping
  • Distorted primordia
  • Presence of white cast skin at the base of the plant

Identification of pest:

  • Nymphs and adults yellowish green with wavy white filament over the body

Management:

  • Install yellow sticky trap @12 no/ha to monitor “macropterous” adults (winged adult).
  • Spray neem oil 3 % with 0.5 ml Teepol/lit
  • Spray any one of the following insecticide
Insecticide
Dose
Azadirachtin 0.03% WSP (300 ppm) 5.0 g/lit.
Dimethoate 30 % EC 6.0 ml/10 lit.
Malathion 50 % EC 1.5 ml/lit.
Phosalone 35 % EC 1.5 ml/lit.
Quinalphos 25 % EC 1.0 ml/lit.

 

 

 

 

 

 

Source-

  • TamilNadu Agritech Portal