Cabbage (Brassica oleracea var. capitata)

Cabbage flea beetle (Phyllotreta cruciferae)

Symptoms

  • Larvae live in soil and feed on roots of plants.
  • Adults feed on the cotyledons and leaves of young plants making round holes.
  • The stems, flowers and even pods may also be attacked.
  • The old leaves dry up and young leaves rendered unfit for consumption.
  • The attacked plants give decaying odour.

Management

  • Deep summer ploughing to kill the over wintering population.
  • In endemic areas the off season/ late season crop should be avoided
  • Parasitoid Microctonus indicus also parasitizes adult P. cruciferae

Chemical Control

Sl.No Generic Name Trade Name Color code Dosage/litre Knapsack Sprayer (Capacity 10L) Recommendation Remarks
Dosage/acre (200 L) Dosage/hectare (500 L)
1 Malathion 50 EC Agromala, Agromala Malathion, Celthion, Hilmala, Kthion, Malaacid, Simala Milthion, Tagthion Malamar, Thisol Blue 2 ml/litre of water 20 ml 400 ml 1000 ml -

Extremely Toxic         Highly Toxic         Moderately Toxic         Slightly Toxic