Effects of high temperature and strong light on chlorophyll fluorescence, the D1 protein, and Deg1 protease in Satsuma mandarin, and the protective role of salicylic acid Proteomic Analysis of Loquat Peels under High Temperature and Strong Light Stresses Studies on the Relationship Among Photosynthetic Apparatus Operation,Xanthophylls Cycle and D1 Protein Turnover in Satsuma Mandarin Leaves Under High Temperature and Strong Light Studies on the Relationship Among Photosynthetic Apparatus Operation,Xanthophylls Cycle and D1 Protein Turnover in Satsuma Mandarin Leaves Under High Temperature and Strong Light