Plant fungal diseases account for over 70％of all plant diseases,they have the charac-teristics of wide host range,diverse incidence and multiple transmission routes,causing serious economic losses to the yield and quality of crops.Biological control has the advantages of less environmental pollution,less resistance,and safe to humans,animals and natural enemies.It is an important technical support for green prevention and control of plant fungal diseases.Tri-choderma has the characteristics of rapid growth,strong stress resistance,hyperparasitism,and secretion of antibiotic substances.It is a crucial biocontrol fungus for preventing and manag-ing plant diseases,particularly in the case of fungal diseases.In this paper,the species of Tri-choderma with biocontrol activity,antifungal biocontrol spectrum,application in control of plant fungal diseases and biocontrol mechanism were reviewed,which provided a reference for the further research and application of Trichoderma in the field of plant fungal diseases.
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