volume 42 issue 2 (june 2008) : 92 - 96
PERFORMANCE OF CASTOR CULTIVARS AT DIFFERENT DATES OF SOWING IN RICE FALLOWS
1Department of Agronomy,
College of Agriculture, Rajendranagar, Hyderabad – 500 030, India
ABSTRACT
Field experiments were conducted during early summer seasons of 1995-96 and 1996-97 to
study the performance of four castor cultivars (two varieties viz., DCS-9 and Aruna; and two hybrids
viz., GCH-4 and DCH-30) at three different dates of sowing (Dec 20, Jan 5 and Jan 20). The results
revealed that dry matter production, leaf area index, number of capsules per plant, length of primary
spike, 100-seed weight, shelling percentage, seed and oil yields were significantly higher in the
crop sown on Jan 5 and with hybrids. Highest gross and net returns were obtained with Jan 5 sown
crop (Rs. 18219 and Rs. 4406/ha, respectively) and with hybrid DCH 30 (Rs. 20683 and Rs. 7241/
ha, respectively).
study the performance of four castor cultivars (two varieties viz., DCS-9 and Aruna; and two hybrids
viz., GCH-4 and DCH-30) at three different dates of sowing (Dec 20, Jan 5 and Jan 20). The results
revealed that dry matter production, leaf area index, number of capsules per plant, length of primary
spike, 100-seed weight, shelling percentage, seed and oil yields were significantly higher in the
crop sown on Jan 5 and with hybrids. Highest gross and net returns were obtained with Jan 5 sown
crop (Rs. 18219 and Rs. 4406/ha, respectively) and with hybrid DCH 30 (Rs. 20683 and Rs. 7241/
ha, respectively).
KEYWORDS
REFERENCES
- Ganga Saran and Gajendra Giri (1987). Indian J.Agron. 32 : 155-157.
- Leong. And Ong, C.K. (1983). J. Exptal. Bot. 34: 1551-1561.
- Rao, C.H. et. al. (1986). Indian J. Agric. Sci., 56: 828-832.
- Rao, D.G. et. al. (1998). J. Oilseeds Res.15: 280-289.
- Weiss, E.A. (1971). Castor, Sesame and Safflower. Leonard Hill, London.
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Copyright :
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Indian Journal of Agricultural Research
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