光合细菌类球红细菌菌株、菌剂药剂及其制备方法和应用

本发明公开了一种光合细菌类球红细菌菌株、菌剂药剂及其制备方法和应用，光合细菌类球红细菌菌株为光合细菌类球红细菌A13(Rhodobacter sphaeroidesA13)，其保藏于中国典型培养物保藏中心，保藏编号为CCTCC No：M 2018605。本发明的光合细菌类球红细菌菌株，光合细菌类球红细菌A13的培养工艺简单、培养时间短、成本低，且光合细菌类球红细菌菌株可通过简单、快捷、低成本的操作方法制备得到水稻细菌性条斑病防控的生防菌剂及生防发酵液。 The invention discloses a photosynthetic bacterium rhodobacter sphaeroides strain, a bacterial drug agent, and a preparation method and an application of the bacterial drug agent. The photosynthetic bacterium rhodobacter sphaeroides strain is rhodobacter sphaeroides A13, is preserved in China Center for Type Culture Collection and has the preservation number of CCTCC No:M 2018605. The photosynthetic bacterium rhodobacter sphaeroides strain, the rhodobacter sphaeroides A13, has the advantages of simple cultivation process, short cultivation time and low cost; and a biocontrol agent and a biocontrol fermentation liquid for prevention and control of paddy rice bacterial leaf streak can be prepared from the photosynthetic bacterium rhodobacter sphaeroides strain by the simple, fast and lo