Study on Physiological and Biochemical Changes of Tulip Pistil after Pollination Physio-chemical mechanism of cadmium tolerance of Chinese cabbage (Brassica chinensis) Acclimation of foliar photosynthetic apparatus of three tropical woody species to growth irradiance Effects of pyrametostrobin on physiological indices and protective enzymes in cucumber and tomato Response Mechanisms of Pine Caterpillar Enzymatic System to Pine Induced Resistance Effects of Drought Stress and Rewatering on Growth and Physiological Characteristics of Quercus variabilis Seedlings Screening Cut Chrysanthemum Varieties in Low Potassium Tolerant and Patience Physiology in Seedling Effects of different calcium levels on photosynthesis and protective enzyme activities of colorful Hosta Effects of Submergence-Drought Stresses on Growth and Physiological Characteristics of Salix rosthornii Seedlings Study on effect of drought stress on physiological adaptation of seedlingsof Atractylodes lancea