Vol. 11, Issue 9 (2022)

Author(s):
Shalu Chandel, Sanjeev Kumar, Mayank Bishnoi and Balkishan Chaudhary

Abstract:
Twelve individual and combination fungicides viz., Tebuconazole, Thiophanate methyl, Azoxystrobin, Fluopyram, Mancozeb, Propineb, Metalaxil + Mancozeb, Tebuconazole + Trifloxystrobin, Fluopyram + Tebuconazole, Thiophanate methyl + Mancozeb, Bascold + Pyrclostrobin, Azoxystrobin + Difenconazole and seven plant extracts viz., leaves of Tulsi, Stevia, Alovera and clove of Garlic, rhizome of Ginger, stem of Giloy, root of Ashwagandha were evaluated to find out the efficacy of various fungicides and plant extract against Rhizoctonia solani causing web blight of Urdbean under in vitro condition. Among the fungicides, Tebuconazole and Mancozeb was found best fungicide which almost completely inhibited the radial growth an sclerotia production of R. solani. Among the combination fungicides, Fluopyram + Tebuconazole fungicide completely inhibited the radial growth and sclerotia production of R. solani. Among plant extracts, Garlic clove extract @ 20 percent found best as it inhibited 77.7 growth of R. solani.