CHANGES IN PHYTOHORMONE AND VITAMIN CONTENTSAND RESPIRATORY RATE IN POLLENS OF RICE, MAIZE AND CHINESE PENNISETUM STORED AT LOW TEMPERATURE Analysis on the Nutrient Composition of Giant Embryo Rice Effect of organic acids and vitamin on some physiological and biochemical characteristics of wheat Nutritional Composition and Assessment of Gracilaria lemaneiformis Bory Effects of Kao‘s organic compound and T vitamins on the generation of embryogenic callus of wheat immature embryo