Influence of date of sowing and irrigation scheduling on rabi castor (Ricinus communis) in Peninsular India
DOI:
https://doi.org/10.59797/ija.v58i1.4153Keywords:
Castor bean yield, Irrigation scheduling, Rabi castor, Sowing dateAbstract
A field experiment was conducted during rabi seasons of 2007-2010 at Regional Agricultural Research Station, Palem, Andhra Pradesh in order to study the performance of rabi castor (Ricinus communis L.) in relation to four dates of sowing (October 1, October 15, November 1 and November 15) and scheduling of irrigation at three CPE levels (50, 75 and 100 mm). Pooled data of three years revealed that sowing on October 1 significantly outyielded (2.32 t/ha) other three dates of sowing. With delay in sowing from October 1 to October 15, November 1 and No- vember 15, bean yield of castor declined by 21.5% (1.91 t/ha), 24.1 (1.87 t/ha) and 44.1% (1.61 t/ha), respectively. Sowing on October 1 was found to be superior in respect of water use efficiency (3.73 kg/ha-mm), net returns ( 38.65 103/ha) and B:C ratio (2.67). Among irrigation levels, scheduling of irrigation at 50 mm CPE resulted in higher bean yield of castor (2.00 t/ha) but found on par with 75 mm CPE (1.91 t/ha). Scheduling of irrigation at 50 mm CPE was found to be superior in terms of net returns ( 30.82 103/ha) but B:C ratio was higher in case of 75 mm CPE (2.39). Higher water use efficiency was observed with 100 mm CPE (3.53 kg/ha-mm) followed by 75 mm CPE (3.50 kg/ha-mm) and the lowest was with wet regime (2.90 kg/ha-mm).References
Baligar, V.C., Fagerai, N.K. and He, Z.L. 2001. Nutrient use efficiency in plants. Communications in Soil Science and Plant Analysis 32(7 & 8): 921950.
Moses, G.J. and Reddy, R.R. 1989. Grey rot of castor in Andhra Pradesh. Journal of Research, APAU 17 (1): 7475.
Janila, P., Ashok Kumar, A. and Rajasekhar Reddy, N. 2006. Botrytis grey rot disease of castor in Andhra Pradesh and screening for identification of resistance source In: National seminar on Drought adaptations for sustainable agriculture and livelihood in dry land areas Problem, prospects and policies, 1516, February 2006 at RARS, ANGRAU, Palem, 12835.
Nagabhushanam, U. and Raghavaiah, C.V. 2005. Seeding date and irrigation effects on the productivity and oil quality of post monsoon grown castor. Journal of Oilseeds Research 22(1): 20608.
Pratap Kumar Reddy, A., Sambasiva Reddy, A. and Padmabvathi, P. 2006. Effect of irrigation and integrated nutrient management on seed and oil yield of rabi castor. Journal of Oilseeds Research 23 (2): 239-241.
Ramanjaneyulu, A.V., Ramprakash, T. and Vishnuvardhan Reddy, A. 2010. Effect of sowing date and irrigation scheduling on yield and economics of rabi castor in Southern Telangana Zone of Andhra Pradesh. Journal of Oilseeds Research 27(Special issue): 18081.
Ramanjaneyulu, A.V., Vishnuvardhan Reddy, A. and Madhavi, A. 2013. The impact of sowing date, irrigation regimes on castor seed yield, oil quality characteristics and fatty acid composition during post rainy season in South India. Industrial Crops and Products 44:2531.
Patel, R.A., Patel, J. J. and Patel, A.S. 2010. Effect of spacing, drip irrigation and nitrogen levels on oil content, N content and uptake by late rainy season castor (Ricinus communis). Journal of Oilseeds Research 27 (2): 14446.
Sesha Saila Sree, P. and Bhaskar Reddy, B. 2005. Effect of tillage and soil moisture regimes on seedling emergence, growth and yield of summer castor in rice fallows. Journal of Oilseeds Research 22(2): 32730.
Singh, I.D. and Stoskopt, Y.C. 1971. Harvest index in cereals. Agronomy Journal 63: 22426.
Srivastava, S.K. and Chandra, D.R. 2010. Effect of soing dates on growth and productivity of castor in central agro-climatic zone of U.P. Journal of Oilseeds Research 27(2): 19091.
Sudhakar, R., Khayum Ahammed, S., Meena Kumari, K.V.S., Srinivas, T. and Vishnuvardhan Reddy, A. 2010. Integrated disease management of botrytis grey rot of castor (Ricinus communis L.). Journal of Oilseeds Research 27(Special issue): 23940.
