The objective of this course is to introduce the taxonomy and identification of plant pathogenic bacteria and the descriptions of the diseases they cause. Contents include the basic techniques for diagnosing plant bacterial diseases, differentiation of the major genera of plant pathogenic bacteria, mechanisms of diseases induction, variation and genetics of plant pathogenic bacteria, bacteriophages and bacteriocin, serology and their application on phytopathogenic bacteria, ecology of phytopathogenic bacteria and control or management of bacterial plant diseases. The students will learn more knowledge about the phytopathogenic bacteria and the diseases they cause from this course.