Abstract
The aim of this study was to identify promising genotypes for upland rice ecosystem especially in drought prone areas. Backcross inbred line (BC 1 F 6 ) developed from inter varietal cross of Swarna X NERICA were evaluated under water stressed environment for physiological and productivity related traits in the pot experiment. The result showed a clear expression of donor (NERICA) genome on the background of the recurrent parent (Swarna) in the BILs evaluated. Performance of BILs is generally lower under water stressed treatment when compared with non-stressed treatment for all the traits studied except leaf temperature which was higher under water stressed condition. Except for traits like leaf area and plant height, percentage reduction in performance of BILs for physiological and productivity component traits under water stress treatment are generally lower than the recurrent parent Swarna indicating their superiority over recurrent parent for drought tolerance.
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