Advances in the researches on bacterial stem and root rot of sweet potato caused by Dickeya dadantii Contributing factors and control strategies of pine wilt disease Pathogen Identification and Chemical Structure of the Toxin Components of Alternaria tenuis on Sainfoin(Onobrychis viciaefolia Scop.) The Mechanism of Pathogenicity and Its Regulation of Ralstonia solanacearum to Plants Application of the hydroponic virulence test system to pathogenic mechanism analysis of Fusarium oxysporum f. sp. cubense strains and resistance evaluation Destruction Characteristics of Hypodermal Cells in Citrus grandis ‘Guanximiyou’ Infected by Phyllosticta citriasiana and Pathogenic Mechanism Primary Research on the Pathogenic Mechanisms of Lecanosticta acicola, the Causal Agent of Brown Spot Needle Blight