一串红SalviasplendensKer-Gawl.为重庆市常见草花,亦是我国各大、中城市节日主要的应用型花卉,仅北京一年的生产量就达数十万盆。一串红在重庆市受一种细菌性病害危害较重,其发病株率一般3～6％,重者可达10％。发病植株轻者叶片上产生褐色圆形或不规则斑点,重者植株的根和茎基部变为褐色水浸状,引起一串红脱叶、萎 A string of red SalviasplendensKer-Gawl. Common flowers in Chongqing, China is also a major, medium-sized city festival is the main application of flowers, only a year’s production in Beijing amounted to hundreds of thousands of pots. A bunch of red in Chongqing by a bacterial disease more serious, the incidence of the general rate of 3 to 6%, in severe cases up to 10%. Occurred on the leaves of plants with light brown round or irregular spots, severe roots and stems of the plants into a brown flooding, causing a bunch of red leaves, wilt