Integrated management of root-knot nematode, Meloidogyne incognita through different approaches in tomato, Lycopersicon esculentum Mill

The pot experiment was conducted during Kharif season, 2012. Pots were filled with Root-knot nematode infested soil (2 larvae/g soil) brought from the pure culture field at department of Nematology, RCA Udaipur. The combination of P. lilacinus @ 3.0g/kg soil + neem (Azadirachta indica) leaf extract at 20 per cent conc. was found most effective treatment as compared to other combinations like P. lilacinus @ 3.0g/kg soil + jatropha (Jatropha curcas) leaf extract at 20 per cent conc., P. lilacinus @ 3.0g/kg soil + castor (Ricinus communis) leaf extract at 20 per cent conc. and P. lilacinus @ 3.0g/kg soil + karanj (Pongamia pinnata) leaf extract at 20 per cent conc. However, highest reduction in nematode population was recorded with the application of carbosulfan 25 EC @ 2 %. Combined effect of P. lilacinus @ 3.0g per kg soil as soil application and 20 per cent concentration of plant leaf extracts of neem (Azadirachta indica) as root dip treatment proved better over other treatments in enhancing plant growth parameters of tomato and minimizing infection of root-knot nematode, M. incognita.