Progress in Study of Dwarf-like Disease of Oryza sativa L.in China

Rice dwarf-like disease is one of the common viral diseases of rice.In recent years,rice dwarf-like disease occurs frequently in several provinces in China with a rising trend.This paper reviews the rice dwarf-like disease’s situation,classification,symptoms,transmission route and pathogenesis,followed by its genome study.In addition,the screening of resistant material,the resistant gene mapping and cloning,as well as the existing problems are discussed.Future expectation on the related research and new areas for studies on the rice dwarf-like disease are also included.