On behalf of the Scientific Committee of the 13th International Conference on Plant Pathogenic Bacteria (ICPPB) and the Local Organizing Committee, I warmly invite you to attend the 13th International Conference on Plant Pathogenic Bacteria to be held in Shanghai Jiao Tong University, Shanghai, China, during June 8-13, 2014. This prestigious conferences, organized every four years, is attended by leading researchers in the area of plant pathogenic bacteria. The latest developments in this field, both basic and applied, will be presented and discussed at the conference. With the aim of promoting international scientific exchanges and collaboration from researchers of different countries, scientists from around the world working on plant pathogenic bacteria, on a range of different research topics, are invited to participate in the congress. The Local Organizing Committee of the ICPPB2014 has been working hard to organize a scientifically preeminent conference program. In addition to the high quality science program at the conference, we will also provide you with an opportunity to experience China and Chinese culture. Shanghai is the largest city in China and is called the pearl of the orient. There are many famous scenic spots in Shanghai, like the Bund, the Oriental Pearl TV Tower, Yuyuan Garden and China Pavilion of the World Expo, etc. The weather in Shanghai at the time of the conference will be very pleasant. We will take one day off the conference to have an awesome trip near Shanghai and one evening Shanghai Show. I am sure that you will have a memorable experience attending ICPPB 2014 in Shanghai.