Method for germinating peony seeds and promoting growth of peony seedlings by using germs capable of promoting growth of peonies and resisting pathogenic bacteria

The invention discloses a method for germinating peony seeds and promoting the growth of peony seedlings by using germs capable of promoting the growth of peonies and resisting the pathogenic bacteria. The method for rooting and germinating the peony seeds comprises the steps of soaking the dormant peony seeds to obtain soaked peony seeds, treating the soaked peony seeds through paenibacillus polymyxa CSM1101 for 1-3 hours to obtain peony seeds subjected to fungicide treatment, and cultivating the peony seeds subjected to the fungicide treatment to obtain rooted and germinated seedlings, wherein the preservation number of the paenibacillus polymyxa CSM1101 in the general microorganism center of the China Committee for Culture Collection of Microorganisms is CGMCC No.8527.