Effect of oil cakes on management of root-knot nematode, yield and quality of FCV tobacco
Ravindra H., Onkarappa T., Vasuki N., Krishnappa K., Narayanaswsamy H., Basavawa M.K.
Network Research Project (Tobacco), Department of Plant Pathology, Zonal Agricultural Research Station, Navile, U.A.S., Shimoga-577 204, Karnataka.
Root-knot nematode is a major threat for successful cultivation of flue cured virginia tobacco in the light soils of Karnataka. Yield reduction due to this menace is 59.4% in nursery and 52.9% in the main field. A study was conducted in sick plot for three years to evaluate the efficacy of neem and pongamia cake in different dosages (10,20 and 30 @plant), applied directly to the base. Pongamia cake at 30 glplant recorded maximum green leaf and cured leaf yield. However, neem cake at 20gplant recorded least root-knot nematode index followed by pongamia cake at 10 @plant.
Neem cake, pongamia cake, root-knot nematode, management, green leaf, cured leaf, top grade equivalent.