Customization: | Available |
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CAS No.: | 19396-06-6 |
Formula: | C17h25n5o13 |
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Polyoxins are a group of natural, peptidyl nucleoside antibiotics produced by certain Streptomyces bacteria, primarily used as agricultural fungicides. They work by inhibiting the biosynthesis of chitin, a crucial component of fungal cell walls, leading to weakened cell structures and impaired fungal growth.
Active ingredient | Polyoxin |
Classification | Fungicide / Agrochemical |
CAS No. | 19396-06-6 |
Application | Polyoxin is a metabolite produced by Streptomyces aureofaciens. It is a broad-spectrum bactericide. Polyoxin effectively penetrates plant tissues. Its mechanism interferes with chitin synthesis in bacterial cell walls. This disruption leads to bacterial cell death. When hyphae contact the agent, they swell and rupture. This prevents normal development and causes death. Polyoxin also inhibits spore production and lesion expansion. |
Mode of action | Polyoxin has good internal absorption and conduction effect. Its mechanism is to interfere with the biosynthesis of chitin in the pathogen cell wall, making it impossible for the pathogen cell wall to undergo biosynthesis, leading to pathogen death. After contact with the polyoxin, the bud tube and mycelium locally expand, rupture, and overflow the cell contents, which can not develop normally, leading to death. Therefore, it also has the effect of inhibiting pathogen spore production and disease spot expansion. |
Usage | Polyoxin is used for control of Alternaria spp. And powdery mildews in apples and pears; Botrytis cinerea in vines and aubergines; Powdery mildews in roses, chrysanthemums, capsicums, and melons; Blight of carnations; Powdery mildew, brown spot, and grey mould in tobacco; Powdery mildew and grey mould in strawberries; Leaf mould, early blight, and grey mould in tomatoes; Powdery mildew, grey mould, gummosis, Sclerotinia rot, and Corynespora melonis in cucumbers; Alternaria blight in carrots; Purple blotch in leeks; etc. |