草莓青枯病又称茎枯病,近年来草莓产区青枯病的发生逐渐加重,特别是部分感病品种的草莓病株多达20%以上,严重影响草莓的产量和品质。发病原因:引发草莓青枯病的病原为细菌类的青枯假单胞菌(图1),其短杆状的单细胞菌体两端圆形,极生鞭毛1~3根,革兰氏染色阴性。病菌喜高温,菌落污白色或暗色至黑色,平滑具亮光。青枯假单胞菌的腐生能力很强,能 Strawberry bacterial wilt disease, also known as stem blight, in recent years, the occurrence of bacterial wilt in strawberry areas gradually increased, especially the susceptible varieties of strawberry disease as many as 20%, seriously affecting the yield and quality of strawberries. The cause of the disease: the pathogen of strawberry bacterial wilt is Pseudomonas solanacearum (Figure 1). Its short rod-shaped single-cell bacteria are round at both ends, with 1 to 3 polar flagella, Gram’s Dyed negative. Viruses like high temperature, colonies dirty white or dark to black, smooth with light. Pseudomonas aeruginosa saprophytic ability, can