Strain of paenibibacillus polymyxa and application of paenibibacillus polymyxa

The present invention provides a strain of paenibibacillus polymyxa and an application of the paenibibacillus polymyxa. The strain is named paenibacillus polymyxa HY31 and has deposit number is CCTCCNo: M20191102. The strain has a strong inhibitory effect on fusarium oxysporum cucumber specialization type, fusarium oxysporum tomato specialization type, fusarium oxysporum pepper specialization type and fusarium oxysporum wilt specialization type and other plant wilt disease pathogens, and besides, a strain agent prepared from the strain is applied on vegetables to prevent occurrence of wilt diseases and promote growth of the vegetables at the same time. 本发明提出了一株多粘类芽孢杆菌及其应用，该菌株命名为多粘类芽孢杆菌(Paenibacillus polymyxa)HY31，其保藏编号为CCTCC No:M20191102。本发明菌株对尖孢镰刀菌黄瓜专化型、尖镰孢菌番茄专化型、尖镰孢菌辣椒专化型和尖镰孢萎蔫专化型等植物枯萎病病原菌均有很强的抑制效果，并且将本发明菌株制成的菌剂施加到蔬菜上，可以预防枯萎病的发生同时促进蔬菜的生长。