DISCOVERY OF PYTHIUM SPINOSUM ON TEA CUTTING SEEDLINGS IN CHINA AND THE PHYSIOLOGICAL CHARACTERS Studies on cutting propagation of Taxus chinensis var. mairei Ⅷ. Comparison of physiological metabolism between the seed seedlings and the cutting seedlings Studies on cutting propagation of Taxus chinensis var. mairei Ⅶ. Comparison of photosynthesis physiological characteristics between the seed seedlings and the cutting seedlings Research of Photosynthetic Characteristics and the Growth ofSeedlings and Cutting Stocks of Taxus yunnanensis