Pseudomonas fluorescens is an effective biocontrol agent for management of rice blast. P.f. can be used for seed treatment, seedling dip and for foliar spraying in rice. Seedling dip method can easily be taken up in nursery fields, in the following manner. 

• Make a bed of 10' X 10' in rice nursery after removing seedlings.
• Let sufficient water (1") to stand in the bed.
• Mix 1 kg of Pseudomonas fluorescens formulation.
• Place all the seedling bundles in the bed, for dipping roots in the solution.
• Keep it aside for atleast 30 minutes before taking it to transplanting in main field.