Detection of Potato Virus X by Reverse~ dnscription Polymerase Chain Reaction Detection of Potato Virus X by Reverse~ dnscription Polymerase Chain Reaction Chemical constituents of Russula virescens Molecular identification of a phytoplasma associated with cherry virescence disease Discovery of a Cytoplasmically Inherited Virescent Mutant of Soybean The rice OsV4 encoding a novel pentatricopeptide repeat protein is required for chloroplast development during the early leaf stage under cold stress Relationships between light and physiological characters of five climbing plants Selection and Characterization of a Novel Photoperiod-Sensitive Male Sterile Line in Upland Cotton Accumulation Capacity of Nanjing 14 Virescence Tree Species to Heavy Metal Pollutants of the Atmosphere