Effects of Grafting on the Fast Chlorophyll Fluorescence Induction Dynamics of Pepper Seedlings Under Temperature Stress Effects of osmotic stress on chlorophyll fluorescence parameters of wheat seedling Changes of Photosynthetic Membrane Function and Protein Complexes in Flag Leaves of Liangyoupeijiu during Leaf Senescence Effect of exogenous 2,4-epibrassinolide on trace element absorption and chlorophyll fluorescence of Medicago sativa L. seedlings under NaCl stress Effects of drought on fluorescence characteristics of photosystem Ⅱ in leaves of Ginkgo biloba The relationship between light energy utilization and dissipation of PS Ⅱof Puccinellia tenuiflora seedlings and osmotic potential of culture solution under Na2CO3 stress Chlorophyll Content and Chlorophyll Fluorescence Kinetics Parameters of Flag Leaf and Their Gray Relational Grade with Yield in Wheat Effects of Grafting on the Fast Chlorophyll Fluorescence Induction Dynamics of Pepper Seedlings Under Temperature Stress