Phenotypic (assessment of rice Oryza sativa L.) genotypes for genetic variability and varietal diversity under direct seeded condition
Article Main
Abstract
The study on variability and diversity of 32 genotypes of rice (Oryza sativa L.) under direct seeded condition revealed significant variability at 5% level among the genotypes for all the characters. High level of broad sense heritability was observed for days to 50% flowering (0.986) followed by filled grains (0.8216) and 1000-grain weight (0.7306). Expected genetic advance was highest for yield per hectare (39.639) and filled grains per panicle (51.39). Genetic divergence analysis using Mahalanobis’s D2 statistic grouped the genotypes into 7 clusters. Cluster II had maximum number (16) of genotypes. Maximum inter cluster distance was found between cluster IV and VII (984.82). However, intra cluster distance was maximum in cluster III (363.58). Genotypes from diverse clusters viz.NR 89, PAU 3284, ARIZE SWIFT, RY 248, Varadhan, RYC489, MTU 1010 and RYC 674 could be recommend-ed for inclusion in hybridization programme for breeding under aerobic rice condition.
Article Details
Article Details
Keywords
Aerobic rice, Genetic divergence, Rice, Varietal diversity
References
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Genetic diversity for morphological and quality traits in rice (Oryza sativa L.). Advances in Plant Sciences, 16(1):287-293
Murthy, B. R. and Arunachalum, V. (1967). Computer
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Nayak, A. R., Chaudhury, D. and Reddy, J. N. (2004).
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Pradhan, A.K. and Roy, A. (1990). Genetic divergence in rice. Oryza, 27(4): 415-418
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diversity analyses in bamboo. Genome, 51(2): 91-103.
Singh, S.P., Singhara, G.S., Parray, G.A. and Bhat, G.N. (2006). Genetic variability and character association studies in rice (Oryzasativa L.). Agric. Science Digest, 26 (3): 212-214
Sirohi, S. P. S. and Dar, A. N. (2009). Genetic divergence in soybean (Glycine max L. Merrill). SKUAST Journal of Research, 11(2): 200-203
Sravan, T., Rangare, N. R., Suresh, B. G. and Ramesh kumar, S. (2012). Genetic variability and character association in rainfed upland rice (Oryza sativa L.). Journal of Rice Research, 5(1&2): 24-29
Banumathi, S., Manimaran, R., Sheeba, A., Manivannan, N., Ramya, B., Kumar, D. and Ramasubramanian, G. V. (2010). Genetic diversity analysis of rice germplasm lines for yield attributing traits. Electronic Journal of Plant Breeding, 1(4): 500-504
Bhadru, D., Rao, Tirumala, V., Mohan, Chandra, Y. and Bharathi, D. (2012). Genetic variability and diversity studies in yield and its component traits in rice Oryzasativa L.). SABRAO Journal of Breeding and Genetics, 44(1): 129-137
Bose, L. K. and Pradhan, S. K. (2005). Genetic divergence in deep water rice genotype. J. Central European Agri., 6(4): 635-640
Burton, G.W. (1952). Quantitative inheritance in grasses. Proc. Sixth Grassland Congress, 1: 277-283
Chandra, B. S., Reddy T. D. and Ansari, N. A. (2007). Genetic divergence in rice (Oryza sativaL.). Research on Crops, 8(3):600-603
Chaturvedi, H.P. and Maurya, D.M. (2005). Genetic divergence analysis in rice (Oryza sativa L.). Advances in Plant Sciences, 18(1):349-353
De, R.N. and Rao. A.V.S. (1987). Genetic divergence in rice under low land situation. Crop lmprov., 14:128-131
Gandhi, S. M., Sanghli, A.K., Nathawat K.S. and Bhatnagar, M.P. (1964). Genotypic variability and correlation coefficient relating to grain yield and few other quantitative characters in Indian wheat. Indian J. Genet., 24:1-8
Gangashetty, P., Salimath, P. and Hanamaratti, N. (2013). Genetic variability studies in genetically diverse non-basmati local Aromatic genotypes of rice (OryzasativaL). Rice Genomics and Genetics, 4(2):4-8
Johnson, H.W., Robinson, H.F. and Comstock, R.E. (1955). Estimates of genetic and environmental variability in soybean. Agron. J., 47: 314-318
Joshi, M.A., Singh, P., Sarao, N.K., Sharma, R.C. and
Bharaj, T. S. (2008). Genetic diversity among rice
varieties cultivated in Panjab. Oryza, 45(4): 277-279
Khare, R., Singh, A.K., Eram, S. and Singh, P.K. (2014). Genetic Variability, Association and Diversity Analysis in upland rice (Oryzasativa L) SAARC J. Agri., 12(2): 40-51
Mishra, L.K., Sarawgi, A.K. and Mishra, R.K. (2003).
Genetic diversity for morphological and quality traits in rice (Oryza sativa L.). Advances in Plant Sciences, 16(1):287-293
Murthy, B. R. and Arunachalum, V. (1967). Computer
programmes for some problems in biometrical genetics. Use of Mahalanobis D2 in classification problem. Indian J. Genet. Pl. Breed., 27: 60-69
Nayak, A.R., Chaudhury, D. and Reddy, J.N. (2002). Genetic variability, heritability and genetic advance in scented rice. Indian Agric., 46 (12): 45-47
Nayak, A. R., Chaudhury, D. and Reddy, J. N. (2004).
Genetic divergence in scented rice. Oryza, 41: 79-82
Panse, V.G. and Sukhatme, P.V. (1967). Statistical methods for agricultural workers. Indian Council of Agricultural Research, New Delhi.
Panwar, L.L. (2005). Genetic variability, heritability and genetic advance for panicle characters in transplanted rice (Oryzasativa L.). Agric. Res. Stat., 6(3): 505-508.
Pradhan, A.K. and Roy, A. (1990). Genetic divergence in rice. Oryza, 27(4): 415-418
Pratap, N., Singh, P.K., Shekhar, R., Soni, S.K. and Mall, A.K. (2012). Genetic variability, character association and diversity analyses for economic traits in rice (oryzasativa L.). SAARC Journal of Agriculture, 10(2): 83-94
Rao, C.R. (1952). Advance statistical methods in biometrical research. Ed. II. New York . John Willey & Sons
Sharma, R.K., Gupta, P., Sharma, V., Sood, A., Mohapatra, T. and Ahuja, P.S. (2008). Evaluation of rice and sugarcane SSR markers for phylogenetic and genetic
diversity analyses in bamboo. Genome, 51(2): 91-103.
Singh, S.P., Singhara, G.S., Parray, G.A. and Bhat, G.N. (2006). Genetic variability and character association studies in rice (Oryzasativa L.). Agric. Science Digest, 26 (3): 212-214
Sirohi, S. P. S. and Dar, A. N. (2009). Genetic divergence in soybean (Glycine max L. Merrill). SKUAST Journal of Research, 11(2): 200-203
Sravan, T., Rangare, N. R., Suresh, B. G. and Ramesh kumar, S. (2012). Genetic variability and character association in rainfed upland rice (Oryza sativa L.). Journal of Rice Research, 5(1&2): 24-29
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Phenotypic (assessment of rice Oryza sativa L.) genotypes for genetic variability and varietal diversity under direct seeded condition. (2017). Journal of Applied and Natural Science, 9(1), 6-9. https://doi.org/10.31018/jans.v9i1.1138
