Polyoxin 10%SG Biological Pesticides Control Leaf Spot In Apple Tree

GENERAL INFORMATION

Polyoxin is a broad-spectrum antibiotic bactericide with systemic absorption. Its mechanism of action is to interfere with the biosynthesis of cell wall chitin. Some of the fungi of the Ascomycetes, Basidiomycetes, and Deuteromycetes that form the cell wall with chitin as the substrate, the germ tube and the mycelium will locally enlarge, rupture, and overflow the contents of the cells after contact with the agent, resulting in death. Mainly used to control wheat powdery mildew, ginseng black spot, tobacco brown spot disease, cucumber downy mildew, melon wilt, rice sheath blight, apple spotted leaf disease, strawberry and grape gray mold, forest wood sheath disease etc. a fungal disease. For example, using 10% wettable powder 1000~2000 times liquid can control wheat powdery mildew and rice sheath blight, if the dosage is 15~22.5g/100m2, it can be sprayed at the flowering stage to control tomato, strawberry and other crops. Botrytis cinerea, sprayed once every 7 days, a total of 3 to 4 times. For apple spotted deciduous disease, spray with 50-100mg/L polymycin solution in the growth period of apple spring shoots and the onset of disease.

Wheat white powdery mildew, tobacco brown spot disease, cucumber downy mildew, melon wilt, ginseng leaf black spot, beet brown spot, rice sheath blight, apple early leaf disease, forest blight, pear black A variety of fungal diseases such as spot disease have a good control effect. Not only can cure diseases, but also stimulate plant growth. For example, in the prevention and control of rice sheath blight, the control effect can reach 80%, the rice grows vigorously, the seed setting rate increases by about 6% compared with the control, and the average yield per mu increases by about 10%