Objective: To observe effects of Xanthomonas L4 phytotoxin on mitochondrial,stoma and cell wall in order to study the mechanism of herbicide.

• 目的:通过观察黄单胞菌L4毒素对反枝苋线粒体、细胞壁和表皮气孔叶片细胞的影响来探讨毒素的作用机理。