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Estimated of linkage disequilibrium (LD) are important as an indication of how useful LD-base association genetics approaches can be when compared with other available mapping methods.The success of association mapping efforts depends on the possibilities of separating LD due to linkage from LD due to other causes.In an attempt to associate markers with drought tolerance at vegetative stage, we examined the pattern of LD in a diversity and stress adaptation rice panel containing 184 rice germplasm accessions with 141 polymorphic SSR markers that were nearly evenly distributed at 3mb bin on the 12 rice chromosomes.