Construction of a Molecular Linkage Map of Pearl Millet Using SSR Markers
2018
r k srivastava | p katiyar | a saritha | n reddy | k s dangi
For pearl millet production in the semi-arid tropics, Sclerospora graminicola is a major bioticconstraint causes Downy mildew. The pathogen is heterothallic and frequent recombinationleads to evolution of new virulent populations. Identification of resistance to new virulent isolatesis a prerequisite for resistance breeding. A very good understanding of ability to manipulateoligogenic and quantitative traits is offered to plant breeders by recent advances in geneticmarker technology. In the present investigation, Genotypic data generated for a total of 39marker loci (SSRs) were used to construct a linkage map of the pearl millet mapping populationof 295 Recombinant Inbred Population based on the cross 81B-P13 × AIMP 92901-deriv-P03.Askeleton linkage map of seven linkage groups with a total map length of 536.8cMwasconstructedusing Map Maker/Exp version 3.0b at LOD threshold value of 3.0 and map was drawn usingMap Chart 2.2. Among all the linkage groups of the present study, linkage group1 has thehighest map length (146.6 cM) followed by linkage group 2 (98.3 cM). The linkage group3 (6.6 cM) has been recorded as the shortest among all seven linkage pearl millet groupsin this study
Show more [+] Less [-]A Saritha et al., 'Construction of a Molecular Linkage Map of Pearl Millet Using SSR Markers', International Journal of Pure & Applied Bioscience, vol. 5(5), pp.1632-1640, Vital Biotech, India, 2018
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