1. Trichoderma harzianum T-22, as a biocontrol bacterium, can be used to prevent plant diseases caused by rot mold, Rhizoctonia solani, Fusarium, Rhizoctonia nigra, Trichoderma chinensis, Trichoderma chinensis and other pathogens.
2. It grows around the roots of plants and forms a "protective cover" to prevent the infection of root pathogenic fungi, and can secrete enzymes and antibiotics to break down the cell walls of pathogenic fungi.
3. It is mainly used for the prevention and control of fungal leaf diseases such as powdery mildew, gray mold, downy mildew, leaf mold and leaf spot in vegetables, fruit trees, flowers and other crops in fields and greenhouses.