Evaluation of Pseudomonas fluorescens Pf-1) against Blackgram and Sesame Root-Rot Disease


  • Tamil Nadu Agricultural University, Department of Plant Pathology, Coimbatore, Tamil Nadu, 641 003, India
  • Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, 641 003, India


Pseudomonas fluorescens strain Pfl, effectively inhibited the mycelial growth of Macrophomina phaseolina, the pathogen causing dry root-rot in blackgram and sesame. Application of Pf1 as seed treatment (10g / kg seed) followed by soil application (2.5 kg / ha) against root rot effectively supported higher plant growth, better native Rhizobium nodulation and grain yield. Sclerotial number and root rot incidence were also greatly reduced. The rhizosphere soil recorded a higher number of Pf I population.


Biocontrol, Macrophomina phaseolina, Pseudomonas fluorescens. Root- Rot, Seed Treatment, Soil Application.

Subject Discipline

Agriculture Sciences

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