Microbial Diversity Analysis and Genome Sequencing Identify Xanthomonas perforans as the Pathogen of Bacterial Leaf Canker of Water Spinach (Ipomoea aquatic) oleh Ming Hu, Chuhao Li, Xiaofan Zhou, Yang Xue, Si Wang, Anqun Hu, Shanshan Chen, Xiuwen Mo, Jianuan Zhou