Talc-Based formulation of Trichoderma viride >for Biocontrol of Macrophomina phaseolina

A simple formulation of Trichoderma viride Pers ex. S.F. Grey for seed pelleting was developed by mixing tale powder with Trichoderma biomass obtained by growing the fungus in molasses-yeast medium for 15 days and drying. For effective adherence to the seeds CMC was added @ 0.5 % leveJ after drying. This formulation packed in polythene bags yielded 8 x 10⁷ colonies/g after 120 days. Seed treatment with this product effectively reduced the ischolar_main rot diseases of urd bean (Vigna mungo {L.} Hepper caused by Macrophomina phaseolina (Tassi) Goid. both in the artificially infested soil and natural soil in farmers fields.