2026-06-27http://hdl.handle.net/123456789/26436artificial selectionbiotechnologybreeding programmeschromosomesgenetic improvementgenetic markersgrowthidentificationintrogressionlocinutrientsplant breedingplant developmental stagesquantitative trait lociquantitative traitsroot systemsrootsseedlingssoilvarietiesyield componentsyieldsIdentification and characterization of quantitative trait loci for root elongation by using introgression lines with genetic background of Indica-type rice variety IR64Journal Article