Mapping of QTLs for grain yield and its component traits under drought stress in elite rice variety of Assam, India

Drought is one of the major abiotic stress that limits rice production in Assam, India. A traditional drought tolerant local cultivar ‘Banglami’ was crossed with a high yielding rice variety ‘Ranjit’ and 180 F2 plants were raised. The 110 polymorphic SSR markers were used for genotyping of F2 plants.

Int.J.Curr.Microbiol.App.Sci (2017) 6(6): 1443-1455 International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume Number (2017) pp 1443-1455 Journal homepage: http://www.ijcmas.com Original Research Article https://doi.org/10.20546/ijcmas.2017.606.169 Mapping of QTLs for Grain Yield and its Component Traits under Drought Stress in Elite Rice Variety of Assam, India Rahul K Verma1*, S.K Chetia2, P.C Dey3, A.R Baruah4 and M.K Modi5 Department of Agricultural Biotechnology, Jorhat, India Regional Agricultural Research Station, Titabar, India *Corresponding author ABSTRACT Keywords Rice, Grain yield, Drought tolerance, QTL mapping Article Info Accepted: 21 May 2017 Available Online: 10 June 2017 Drought is one of the major abiotic stress that limits rice production in Assam, India A traditional drought tolerant local cultivar ‘Banglami’ was crossed with a high yielding rice variety ‘Ranjit’ and 180 F2 plants were raised The 110 polymorphic SSR markers were used for genotyping of F2 plants Out of which, 88 fitted the expected Mendelian segregation, whereas 22 (20.0%) significantly deviated from it (P