Effects of He-Ne Laser and UV-B Radiation on Chlorophyll Fluorescence and Rubisco Activase of Wheat Leaves Cloning and Expression Analysis of DORCA Gene from Dendrobium officinale Responses of Rubisco and Rubisco activase in cucumber seedlings to low temperature and weak light. Expression Vector Construction of Rubisco Activase Gene CsRCA and Genetic Transformation to Cucumber Expression Vector Construction of Rubisco Activase Gene CsRCA and Genetic Transformation to Cucumber Correlation Between Rubisco Activase and Photosynthesis of Cucumber in Greenhouse Under High Temperature and Elevated CO2 Correlation Between Rubisco Activase and Photosynthesis of Cucumber in Greenhouse Under High Temperature and Elevated CO2 Characteristics of Gas Exchange, Chlorophyll Fluorescence and Expression of Key Enzymes in Photosynthesis During Leaf Senescence in Rice Plants Effects of Nitric Oxide and Enhanced UV-B Radiation on Chlorophy Ⅱ Fluorescence and Rubisco Activase of Chinese Cabbage Seedling Analysis of Sequence Polymorphism of ZmRCA1 in Maize