Chitosan oligosaccharides refer to oligosaccharides in which D-glucosamine is connected with β-1.4 glycosidic bonds. It is produced by degrading chitin into chitosan and then degrading it, or by microbial fermentation. Toxic fungicides. Agricultural grade chitosan oligosaccharides can inhibit the growth of some pathogenic bacteria, affect fungal spore germination, induce changes in hyphae morphology, and biochemical changes within spores. It can stimulate genes in plants to produce disease-resistant chitinase, glucanase, basin and PR proteins, etc.
Chitosan oligosaccharide also has cell activation effect, which helps the recovery of damaged plants, promotes roots and seedlings, and enhances the growth of crops. Stress resistance, promote plant growth and development. Chitosan oligosaccharide solution has anti-toxic, bactericidal and fungicidal effects. It not only has a strong prevention and eradication effect on fungi, bacteria, and viruses, but also has nutritional, regulatory, detoxification, and antibacterial effects.
Chitosan oligosaccharide can be widely used to prevent and control mosaic diseases, leaf diseases, spot diseases, anthracnose, downy mildew, blight, and vine blight caused by viruses, bacteria, and fungi in fruit trees, vegetables, underground rhizomes, tobacco, Chinese medicinal materials, and grain and cotton crops. , yellow dwarf, rice blast, bacterial wilt, soft rot and other diseases.
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