EFFECT OF SUBMERGENCE STRESS ON THE DISTRIBUTION OF STARCH GRANULES IN LEAF SHEATH AND LEAF OF RICE An approach to detect the low-abundant proteins in rice leaf sheath A Study on the Morphology of Assimilating Cells of Leaf Sheath and Ear and Their Photosynthetic Ability in Oats (Avena spp.) Sensitivity of GA3 Treatment on Seedling Traits and Its QTL Dissection in Rice(Oryza sativa L.) Analysis of Differential Expression of Proteins in Rice Leaf Sheath during Grain Filling