My Humble Opinions on High Photosynthetic Efficiency of Crop Photosynthetic Characteristics and Heterosis in Transgenic Hybrid Rice with Maize Phosphoenolpyruvate Carboxylase (pepc) Gene by MAS Effects of canopy shapes of grape on canopy microenvironment, leaf and fruit quality in greenhouse. Reprobing into Rice Breeding for High Photosynthetic Efficiency Dynamic Changes of Photosynthetic Characteristics in Xiaoyan 54,Jing 411 and the Stable Selected Superior Strains of Their Hybrid Progenies Effects of the Mutant with Low Chlorophyll Content onPhotosynthesis and Yield in Rice Photosynthetic Characteristics for Rice Hybrids with Transgenic PEPC Parent HPTER-01