Abstract
Molecular characterization of 32 Indian rice varieties of different agro-climatic zones resulted in mean heterozygosity value of 0.622, 0.819 and 0.890 over polymorphic loci and marker index value of 1.00, 6.75 and 4.16, respectively for RAPD, ISSR and STMS primers. The three marker systems resulted in 201 polymorphic bands (94.36%) out of a total of 213 bands. The probability of a chance identical match between two varieties was very low (2.08x1010) in combined molecular marker analysis as compared to individual marker system (RAPD, 7.5 x 10-4; ISSR, 1.5 x 10-3 and STMS, 3.9 x 10-6). The combined average genetic similarity for molecular markers and coefficient of parentage (COP) across all 496 pairwise combinations revealed a non-significant relationship (r = 0.215).
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Khandelwal, V., Dadlanl, M., Sharma, P.C. et al. Molecular Marker Based Coefficient of Parentage Analysis for Establishing Distinctness in Indian Rice (Oryza sativa L) Varieties. J. Plant Biochem. Biotechnol. 14, 135–139 (2005). https://doi.org/10.1007/BF03263241
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DOI: https://doi.org/10.1007/BF03263241