Chemical control of Bacterial leaf spot

Karnataka:

•  Disinfecting the seeds for 1 minute in 1.3 per cent Sodium hypochlorite solution and drying in   shade is the best way to reduce seed borne bacterium.

• Spraying of (o.o5g/lit) Agrimycin 100 alone or with Copper oxychloride or Copper sulphate (3gm/l) or Mancozeb 2gm/l will control the bacterium.

Andhra Pradesh:

•  Spraying the plants with a mixture of Streptocycline (200 ppm) and Copper oxychloride (3g/ litre) of water gives fairly good control of the disease.

• Spray 2 or 3gms of Plantomycin mixed with 30gms of Copper Oxychloride (blitax or phytolon) per 10 litre of water twice or thrice at 15 days interval depending on the severity of the disease.

Tamilnadu:

• Seed treatment with 0.1% Mercuric chloride solution for 2 to 5 minutes is effective.

•  Seedlings may be sprayed with Bordeaux mixture 1% or Copper oxychloride 0.25%.