Fungicide products containing Bacillus subtilis can be used to control tomato gray mold, rice blast, wheat powdery mildew, citrus green mold, tobacco black shank and cabbage soft rot and other diseases.
Studies have found that Bacillus subtilis can secrete antibiotics, cell wall degrading enzymes, chitinase and other substances to inhibit the germination of pathogenic fungal spores and the growth of hyphae. Substances digest mycelia, dissolve spore cell walls, etc.
A number of Bacillus strain resources have been found so far, and these strains can effectively control rapeseed clubroot, potato black shank, wheat head blight, cucumber corynesporium leaf spot, cucumber anthracnose, sweet potato stem rot, and tomato rot. Leaf spot and tomato powdery mildew etc.
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