AICPIP, BCKV, Kalyani, Nadia, 741 235, (West Bengal).
With the objectives of biological management of late blight of potato, 4 antagonists were tested under field condition in Kufri Chandramukhi variety. Both in case of seed treatment and soil application, T. viride + P. fluorescens gave best result in terms of plant stand, disease incidence, yield and plant growth, out of six treatments including control.