【Objective】Genetic diversity analysis for Ralstonia solanacearum isolated from tobacco in Baise, Guangxi was studied in order to explore occurrence and epidemic regulation in Baise tobacco planting region and pathogenic mechanism of R. solanacearum. 【Method】Sixty-nine representative strains of R. solanacearum isolated from different places in Baise tobacco planting area of Guangxi were analyzed for genetic diversity by pathogenicity and biovar determination, and Box-PCR analysis. 【Result】All the tested stra...
(1Microorganism Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007,China;2Baise Branch,Guangxi Tobacco Corporation,Baise,Guangxi 533000,China;3College of Agriculture,Guangxi University,Nanning 530004,China)0引言【研究意义】百色是广