番茄青枯病又称细菌性萎蔫病、细菌性枯萎病,是一种全株性萎蔫的细菌性病害,苗期症状不明显,当番茄株高30厘米左右开花座果时,青枯病株开始显症(图1)。可为害番茄、茄子、辣椒、马铃薯等,长江流域普遍发生,可造成植株成片死亡,使番茄严重减产甚至绝收。发病症状叶片:苗期虽有侵染,但不表现症状,直到番茄坐果初期,先是顶端叶片边缘略上卷,叶色变浅,为叶片萎蔫的 Tomato bacterial wilt, also known as bacterial wilt disease, bacterial wilt disease, is a bacterial wilt disease of whole plants, seedling symptoms are not obvious, when the tomato plant height of about 30 cm flowering fruit, bacterial wilt Begin to show symptom (Fig. 1). Can damage tomatoes, eggplant, peppers, potatoes, etc., the Yangtze River Basin, generally occur, can cause the death of plants into pieces, so that a serious cut tomato yield or even off. Morphological symptoms Leaf: Although the seedling stage of infection, but does not show symptoms, until the early fruit setting, the first top edge of the leaves slightly curled, leaf color shallow, leaves wilting