| abstract |
The invention discloses a kind of method that Folium Psidii Guajavae extract prepares antibacterial class biological pesticide, comprise the following steps：A, the primary processing of Folium Psidii Guajavae；B, the extract preparation of Folium Psidii Guajavae；C, the concentration of Folium Psidii Guajavae extracting solution；D, defat；E, drying pulverizing；F, dry composition is become pesticide.This dry powder can be configured to the aqueous solution of 15-150mg/ml, for preventing and treating the pathogenic bacteria of plant especially vegetable. |