Biocontrol strain PNC25 for preventing and controlling litchi downy blight diseases and application of biocontrol strain PNC25

The invention discloses a biocontrol strain PNC25 for preventing and controlling litchi downy blight diseases and an application of the biocontrol strain PNC25. The biocontrol strain PNC25 for preventing and controlling litchi downy blight diseases refers to Exiguobacterium acetylicum, collected in the Guangdong Microbial Culture Collection Center, with the collection number of GDMCC No. 60108, onthe date of November 15th, 2016. The Exiguobacterium acetylicum can suppress the litchi downy blight diseases, and has excellent biocontrol effect on the litchi downy blight diseases on multiple experiment conditions. Besides the application in preventing and controlling the litchi downy blight diseases, the Exiguobacterium acetylicum has the good effect in keeping litchi fresh, and accordingly can be used for preparation of litchi preservatives. 本发明公开了株防治荔枝霜疫病的生防菌株PNC25及其应用。株防治荔枝霜疫病的生防菌株PNC25，为乙酰微小杆菌(Exiguobacterium acetylicum)，于2016年11月15日保藏于广东省微生物菌种保藏中心，菌种保藏号为GDMCC No.60108。本发明的乙酰微小杆菌对荔枝霜疫病菌有抑制作用，在多个实验条件下表现优异的防治荔枝