EFFECT OF EXTERNAL REAGENTS ON THE XANTHOPHYLL CYCLE AND NON-RADIATIVE ENERGY DISSIPATION IN LEAVES OF MAIZE Relationship Between Lutein Deficit and Light Allocation as well as Antioxidants in Tomato Effect of heat hardening on allocation of excitation energy in Brassica oleracea seedling leaves The Thermotolerance and Repair Mechanism of Photosystem in Alpine Plant Arabis paniculata (Cruciferae)* Effect of Drought Stress on Photochemical Efficiency and Dissipation of Excited Energy in Photosystem II of Populus euphratica Effects of Water Stress on Photochemical Quenching and Non-photochemical Quenching of Chlorophyll a Fluorescence in Four Tree Seedlings Photoinhibition and Photooxidation in Leaves of indica and  japonica Rice Under Different Temperatures and Light Intensities Effects of irradiance transition on leaf photochemical efficiency of mulberry under different light conditions. Chlorophyll fluorescence characteristics of photosystem Ⅱ of two cultivated poplars seedlings The temperature elevation suppresses the light energy utilization and growth of Chlolorella pyrenoidosa under high light intensity conditions The Changes and Components of Non-photochemical Quenching under Drought and Shade Conditions in Maize Effects of defoliation disturbance of aboveground biomass on photochemical process of reforested Calligonum caput-medusae saplings in arid desert Effects of Seasonal Drought on Water Status, Leaf Spectral Traits and Fluorescence Parameters in Tarenna depauperata Hutchins, a Chinese Savanna Evergreen Species Relationship Between Lutein Deficit and Light Allocation as well as Antioxidants in Tomato LIGHT ENERGY UTILIZATION AND CHLOROPHYLL FLUORESCENCE IN TWO CROSSBREED POPLARS A preliminary study on the reasonability of using the primary change rate of non-photochemical quenching as an indicator of photoprotective capacity of phytoplankton