| abstract |
The present invention provides a Streptomyces hygroscopicus, named Streptomyces hygroscopicus PA-4, which was deposited in the Guangdong Provincial Microbial Culture Collection Center on May 24, 2021, and the preservation number is GDMCC No.61679. The strain has stable and broad-spectrum antibacterial activity, and has strong resistance to a variety of common crop pathogenic fungi such as Fusarium oxysporum, Anthrax, Cryptosporidium, Corynebacterium, Alternaria, Fusarium, etc. The bacteriostatic effect, its fermented crude extract can affect the normal growth and development of Foc4 mycelium, spores, etc., and has the effect of poisoning or inhibiting Foc4 bacteria, in addition, the Streptomyces hygroscopicus of the present invention can also inhibit pathogenic bacteria from infecting plants Root system can promote plant growth, expand new fields for the prevention and control of various plant diseases such as fusarium wilt, and promote plant growth, and has good development and application prospects. |