Control effect of joint application of biofungicides and synthesized fungicides on tomato diseases Steady-state and Time-resolved Fluorescence Spectroscopy to Detect the Cruciform Structure in pBR322 Overexpression of the OsPDCD5 Gene Induces Programmed Cell Death in Rice Functional Identification of Wood-property Candidate Gene PdCYTOB in Populus deltoides Expression Characteristic on TaPDC-E1a Gene and Its regulatory Enzymes Gene in Male Sterile Line of Wheat (Triticum aestivum)