Based on the findings of the present investigation,
the isolate STA7 of T. harzianum, Provax-200 and
mustard oil cake was effective against the suppression
of radial growth, sclerotia formation and mycelial dry
weight of R. solani. The efficacy of the above three
individual component of biocontrol agents along with
a fungicide was more effective when they were applied
in integrated approach. Therefore, Provax-200 in combination
with wheat grain colonized with T. harzianum
isolate STA7 and mustard oil cake gave the best control
against black root rot of strawberry caused by R. solani
and can be recommended for the control of strawberry
black root rot.