The changes of water content and chromoplast pigments contents in tobacco leaves of different varieties and maturity during curing with the flue-cured tobacco variety HD were studied by using K326 and YUN85 as experimental materials.The results indicated: the changes of water content in each varieties′ tobacco leaves of different maturities had different trends,the water content in overmature leaves decreased faster,and in immature leaves it decreased slowlier.Each varieties′ carotenoid degraded mainly in yellowing stage,after the stage of f...