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Mallikarjun, S. K.
- Variability, Heritability and Genetic Advance for Yield and Yield Attributing Characters in Different Local Rice (Oryza sativa L.) Cultivars
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Authors
Affiliations
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.k.v.k., Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, U.a.s. (b), Shimoga, Karnataka, IN
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.k.v.k., Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, U.a.s. (b), Shimoga, Karnataka, IN
Source
Asian Journal of Bio Science, Vol 8, No 1 (2013), Pagination: 60-62Abstract
A field experiment was conducted to study the extent of genetic variability in yield and yield attributing traits under irrigated conditions. Genetic parameters of variability and heritability of 13 characters were studied in 100 genotypes of local rice. Co-efficients of variation were high for number of productive tillers per plant, grain yield per plant, number of tiller per plant, panicle number, plant height, panicle length, test weight, number of spikelet per panicle. The maximum genotypic co-efficient of variability and phenotypic co-efficient of variability were observed for test weight, number of productive tillers per plant, number of spikelet per panicle, amylase per cent and grain yield/plant (g). High heritability coupled with high genetic advance as per cent of mean were observed for days to 50 per cent flowering, test weight, number of spikelet per panicle, per cent of spikelet fertility, protein per cent and grain yield/plant (g) will be useful for further breeding programme. Indicated the possibility of yield and quality improvement through adoption of selection procedures.Keywords
Rice, Variability, Quality, Yield
References
- Allard, R.W. (1960). Principles of plant breeding. John Wiley and Sons, Inc. NEWYORK (U.S.A.).
- Binse, Rita, Motiramani, N.K. and Sarwagi (2006). Association analysis and variability analysis in rice. Mysore J. agric. Sci., 40(3):375-380.
- Burton, G. W. (1952). Quantitative inheritance in grasses. Proceedings of the 6th International Congress. pp. 277-283.
- Das, P.K., Chakraborty, S., Barman, B. and Sarmah, K.K. (2001). Genetic variation for harvest index, grain yield and yield components in boro rice. Oryza, 38(3&4):149-150.
- Johnson, H.W., Robinson, H.F. and Comstock, R.E. (1955). Estimates of genetic and environmental variability in soybean. Agron. J., 47(7): 314-318.
- Sharma, A.K. and Sharma, R.N. (2007). Genetic variability and character association in early maturing rice. Oryza, 44(4): 300-303.
- Siddiq, E. A. (1989). Innovative approaches to raise the ceiling to yield of rice in high productive areas. Paper presented at seminar on new directions of irrigated rice farming, January, 128-30, 1989. Agricultural College, Bapatla, Andhra Pradesh. Mimeographed. Directorate of Rice Research, Hyderabad (A.P.) INDIA.
- Tang, S.X.Y.Z., Jiang, X.H., Wei, Z.C., Li and H.Y.Yu. (2002). Genetic diversity of isozymes of cultivated rice in china. Acta Agron. Sin., 28: 203-207.
- Vaithiyalingan, M. and Nadarajan, N. (2006). Genetic variability and genetic advance in F2 population of inter sub- specific crosses of rice. Crop Res., 31(3): 476-477.
- Correlation and Path Analysis of Yield and Yield Attributes in Local Rice Cultivars (Oryza sativa L.)
Abstract Views :305 |
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Authors
Affiliations
1 Department of Genetics and Plant Breeding, G.K.V.K., University of Agricultural Sciences, Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, U.A.S. (B), Shimoga, Karnataka, IN
1 Department of Genetics and Plant Breeding, G.K.V.K., University of Agricultural Sciences, Bengaluru, Karnataka, IN
2 Department of Genetics and Plant Breeding, College of Agriculture, U.A.S. (B), Shimoga, Karnataka, IN
Source
Asian Journal of Bio Science, Vol 8, No 1 (2013), Pagination: 36-38Abstract
The associations among the yield components and direct and indirect influence of yield components on the grain yield of local rice were investigated at Agricultural college farm, Navile, Shimoga. The experiment was laid out in a 10 x 10 Simple Lattice Design with two replications which consisted of 100 local genotypes during Kharif 2010. The correlation analysis indicated that grain yield was significantly associated with panicle length, test weight, number of tiller per plant, number of productive tiller per plant, number of spikelet per panicle, per cent spikelet fertility and amylase per cent. Path co-efficient analysis revealed that days to 50 per cent flowering, plant height, panicle length, panicle number, number of productive tiller per plant, per cent spikelet fertility and amylase per cent had positive direct effect on grain yield. Hence, selection on these traits could be suggested to bring simultaneous improvement of yield and yield attributes.Keywords
Correlation, Path Analysis, Rice, YieldReferences
- Dewey, D.R. and Lu, K.H. (1959). A correlation and path co-efficient analysis of components of crested wheat grass seed production. Agron. J., 51(9):515-518.
- Eradasappa, E., Nadarajan, N., Ganapathy, K. N., Shanthala, J and Satish, R.G. (2007). Correlation and path analysis for yield and its attributing traits in rice (Oryza sativa L.). Crop Res., 34(1,2,3): 156-159.
- Johnson, H.W., Robinson, H.F. and Comstock, R.E. (1955). Estimates of genetic and environmental variability in soybean. Agron. J., 47(7): 314-318.
- Panwar, L.L. (2006). Character association and path analysis in rice (Oryza sativa L.). Ann. agric. Res. New series, 27(3): 257-260.
- Panwar, L.L. and Mashiat, Ali (2007). Correlation and path analysis of yield and yield components in transplanted rice. Oryza, 44(2): 115- 120.
- Siva Kumar, P. and Kannan Bapu, J.R. (2005). Character association in inter sub-specific rice hybrids involving wide compatible gene. Crop Res., 30(2):208-210.
- Wright, S. (1921). Correlation and causation. J. agric. Res., 20: 557-585.