Compatibility studies of Bacillus spp. with commonly used agrochemicals

Abstract

The compatibility of bacterial biocontrol agent (Bacillus spp.) was assessed with seven seed dressers (Thiophanate Methyl + Pyraclostrobin, Mancozeb + Carbendazim, Carboxin + Thiram, Captan, Captan + Hexaconazole, Thiamethoxam and Imidacloprid + Hexaconazole), nine fungicides (Hexaconazole, Propiconazole, Tebuconazole, Thiophanate Methyl, Chlorothalonil, Propineb, Copper Oxychloride, Carbendazim + Mancozeb and Azoxystrobin + Difenoconazole) and five weedicides (2,4-D Amine Salt, Pendimethalin, Oxyfluorfen, Ammonium Salt of Glyphosate and Glyphosate), commonly used by farmers in India for the control of soil borne plant pathogens. Bacillus spp. (BRSN-B2) was found compatible with seed dressing chemicals (Thiophanate Methyl 45% + Pyraclostrobin 5% FS and Thiamethoxam 30% FS), fungicides (Thiophanate Methyl 70% WP and Copper Oxychloride 50% WP) and weedicides (2,4-D Amine Salt 58% SL, Oxyfluorfen 23.5% EC and Ammonium Salt of Glyphosate 71% SG). The usage of these bio-pesticides was made more widespread by their pesticide compatibility since they can be used in integrated disease management to control soil-borne plant diseases.