Dr. R. K. PatilYogeshkumar M. Rojasara2018-01-052018-01-052016http://krishikosh.egranth.ac.in/handle/1/5810038870Castor (Ricinuscommunis L.) is industrially important non-edible oilseed crop. The total world production of castor seed was 13.26 lac tonnes during the year 2013-14 from an area of 12.88 lac ha with the productivity of 1030 kg/ha. In India, during the year 2013-14 castor occupied 10.00 lac ha area with an annual production of 16.89 lac tonnes with 1689 kg/ha productivity. Interestingly, the yield levels have increased from 1653 kg/ha in 2012-13 to 1689 kg/ha in 2013- 14, which is highly encouraging. Gujarat is leading castor growing state, where the crop is grown on 6.27 lac/ha with 12.92 lac tonnes production with 2061 kg/ha productivity (2013-14).enPlant PathologyAnalysisThesis