TEMPERATURE-SENSITVE LEAF COLOR MUTATION IN RICE(Oryza sativa L.) Preliminary Identification of Leaf Color Mutational Strain from Oxalis triangularis Using RAPD and ISSR Markers Preliminary Identification of Leaf Color Mutational Strain from Oxalis triangularis Using RAPD and ISSR Markers Photosynthetic Characteristics and Leaf Coloration Mechanism of the Next Generation of Golden Ulmus pumila