Department of Plant Pathology, CCS Haryana Agricultural University, Hisar - 125 004, India.
Out of four bioagents (Aspergillus sp., Gliocladium virens, Trichoderma harzianum and T. viride) tested against the root rot pathogen, T. harzianum was proved highly effective in inhibiting mycelial growth of Macrophomina phaseolina and root rot incidence under green house conditions. This was followed by G. virens and T. viride. Aspergillus sp was found least effective in controlling the pathogen.