STUDIES ON THE PRINCIPAL STORAGE CONDITIONS FOR SEEDS OF VATICA ASTROTRICHA HANCE Ⅰ. SEED MOISTURE CONTENT AND METHODS FOR MEASUREMENT OR CONTROL A Study on the Classification of Seed and Seedling Vigour of Larix gmelini Study on Relationship between Hard-seededness and Seed Vigor in Sophora alopecuroides and Thermopsis lanceolata A Study on Physiological and Biochemical Changes in Storing Zoysiagrass Seed Comparison of Vigour Test Methods in Tall Fescue Seed Harvested at Different Time A Study on the Seed Vigour of Tall Fescue Detection of Higher Vigour of Hard Seed of Codariocalyx motorius THE EFFECT OF MERCURY ON SEED VIGOUR AND GERMINATION METABOLISM OF WHEAT RELATIONSHIP BETWEEN ULTRASTRUCTURAL CHANGES AND SEED VIGOUR DURING GERMINATION OF CHINESE FIR SEED THE WAYS TO INCREASE VIGOUR OF WAMPEE (CLAUSEAN LANSIUM) SEEDS A Study on the Properties of Hard Seed of Oxytropis coerulea CHANGES OF EMBRYO PROTEIN IN MAIZE SEEDS WITHDIFFERENT VIGOURS DURING GERMINATION