Botanical bactericidal composition for preventing and treating rice sheath blight disease, preparation and application of botanical bactericidal composition

The invention discloses a botanical bactericidal composition for preventing and treating rice sheath blight disease, a preparation and application of the botanical bactericidal composition and the preparation, and belongs to the technical field of pesticides. The plant source composition for preventing and treating the rice sheath blight disease comprises a melaleuca alternifolia extract and borneol. The melaleuca alternifolia extract and borneol in the botanical bactericidal composition for preventing and treating the rice sheath blight disease have a synergistic effect when being compounded in a mass ratio of 49: 1, the effect of preventing and treating botanical diseases caused by rhizoctonia solani is obvious, drug resistance is not easy to generate, meanwhile, the capability of a crop immune system can be improved, and the activity of the crop immune system can be remarkably improved. 本发明公开了一种防治水稻纹枯病的植物源杀菌组合物、制剂及其应用，属于农药技术领域。所述的防治水稻纹枯病的植物源组合物包括互叶白千层提取物和冰片。本发明的防治水稻纹枯病的植物源杀菌组合物中互叶白千层提取物和冰片在质量比49:1复配下具有协同增效