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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Index Copernicus ICV 2017: 100.00
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Int.J.Curr.Microbiol.App.Sci.2017.6(12): 3351-3358
DOI: https://doi.org/10.20546/ijcmas.2017.612.390


Studies on Genetic Divergence Analysis in Rice (Oryza sativa L.) under Sodic Soil
Mohammad Nisar1,2*, A. Kumar1, V.R. Pandey1, P.K. Singh1 and O.P. Verma1
1Department of Genetics and Plant Breeding, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad-224229 (U.P.), India
2Indian Institute of Pulses Reserch, Kalyanpur, Kanpur, U.P., India
*Corresponding author
Abstract:

The valuable information through the Non-hierarchical Euclidean cluster analysis including one hundred four genotypes, were grouped in to eleven clusters, indicating the existence of high degree of genetic diversity in the germplasm collections evaluated under sodic soil (pH=9.2; EC=2.21 of dSm-1; ESP=45%). Analysis of variance revealed highly significant differences among germplasm collections indicating wide genetic variability in the existing genetic stock. The eleven clusters formed in divergence analysis contained genotypes of heterogeneous origin, thereby indicating non-parallelism between genetic and geographic diversity. In this context, cluster X, having single entry Kalanamak-Nitch, had very high inter-cluster distances from cluster III, IV, II, IX, VII and I. In addition, very high inter-cluster distances were also shown by cluster IX from cluster III, VII and VI, while cluster VIII exhibited high inter cluster distances from cluster III, II and I. The different clusters showed considerable differences in intra-cluster group means of eleven clusters and genotypes having distinctly different mean performance for various characters, were separated into different clusters. The lines belonging to diverse clusters and showing high mean performance in desirable direction for different traits, may be choosen as parents. In this context, the most promising genotypes for use as parents in hybridization programme were IR 26, Jagriti and Mehak of cluster I, NDRK 5095 and Pusa 33A of cluster II; NDRK 50039 and NDRK 50035 of cluster III and NDRK 50028, NDRK 50027, NDRK 50025 and IR-76346-3B-10-1-1-1 of cluster IV. Narendra Usar Dhan 3, NDRK 50034, Narendra Usar 2004 and Sarjoo 52 of cluster V; IR-72579-R-2R-1-3, Basmati Chandauli, Multan Basmati, Basmati Dehradoon, Kapoor Chinni and Dubraj Mirjapur of cluster VI; NDRK 5014, NDRK 5040, Sundri, Sugandhamati and NDRK 50030 of cluster VII and CSR 43, AGAMI-MI, NDRK 50032 and Johar of cluster VIII emerged as lines to be recommended for exploitation in hybridization programme to enhance the production and productivity of sodic soil.


Keywords: D2, Genetic divergence, Rice (Oryza sativa L.), Sodic soil.
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How to cite this article:

Mohammad Nisar, A. Kumar, V.R. Pandey, P.K. Singh and Verma. O.P. 2017. Studies on Genetic Divergence Analysis in Rice (Oryza sativa L.) under Sodic Soil.Int.J.Curr.Microbiol.App.Sci. 6(12): 3351-3358. doi: https://doi.org/10.20546/ijcmas.2017.612.390