Abstract
The experiment was conducted at Department of Seed Science and Technology, Agricultural College and Research Institute, Madurai during 2014-2015, to find out the effect of organic seed priming with cow urine at different concentrations. The cluster bean seeds were soaked for 3 h with different concentrations viz., 2, 4, 6, 8 and 10% along with water and control (no treatment). The seed quality parameters viz., speed of germination, germination, root length, shoot length, vigour index I, vigour index II and dry matter production were evaluated. The best performance was observed in cow urine (2%) by recording highest seed quality parameters. The percentage increase over control was 10.52, 8.16, 9.8, 8.0, 16.34, 15.36 and 7.8 for speed of germination, germination percentage, root length, shoot length, vigour index I, vigour index II and dry matter production, respectively. Key words: Bovine urines, cluster bean, pre sowing seed treatment, vigour index-germination.
Highlights
Cluster bean [Cyamopsis tetragonoloba (L.) Taub] (2n=14) is an under exploited leguminous vegetable belonging to the family Fabaceae
The experiment was conducted at Department of Seed Science and Technology, Agricultural College and Research Institute, Madurai during 2014-2015, to find out the effect of organic seed priming with cow urine at different concentrations
The best performance was observed in cow urine (2%) by recording highest seed quality parameters
Summary
Cluster bean [Cyamopsis tetragonoloba (L.) Taub] (2n=14) is an under exploited leguminous vegetable belonging to the family Fabaceae It is commonly known as Guar, Chavli kayi, Khurtti. Guar is grown in kharif season in arid and semi arid regions of India It is a drought hardy, deep rooted, summer annual legume. 2400 to 2500 L of urine are produced per year per animal (Yawalker et al, 1996) If this urine were not conserved, nitrogen in the urine, which is mainly in the form of urea, would be quickly lost as ammonia. Keeping into view its importance as a vegetable and its adaptability to arid drought conditions, there is need for its improvement for yield This can be achieved by maintaining plant population by organic seed priming
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