Isoprost, colorless crystal, melting point of about 136 ° C, the active ingredient content of the original drug is greater than 95%.
Appearance: The appearance is light yellow powder, the pseudo-specific gravity is 0.2-0.5, the wetting time is less than 2 minutes, the suspension rate is more than 70%, and it can be mixed with various pesticides . Alkaline substances are unstable. This product also has no genotoxicity and food enrichment, so there is no potential hazard of cumulative poisoning, and no neurotoxicity to animals is observed. The acute oral LD50 of the formulated rats was 8000 mg/kg, and the acute percutaneous LD50 of rabbits was greater than 2000 mg/kg. The general preparations are: 50% iprodione wettable powder, 50% iprodione suspension, 25.5% iprodione oil suspension.
Function characteristics: Isocarbazide is a broad-spectrum contact-type protective fungicide , but it also has a certain therapeutic effect. It can inhibit the germination and production of fungal spores, and also control the growth of mycelium, which has an impact on the developmental stages of pathogenic fungi. In biochemistry, recent findings show that iprodione inhibits protein kinases. Thus, intracellular signals that control many cellular functions, including the interference of carbohydrate binding into fungal cell components.
Applicable crops: citrus, apple, pear, apricot, cherry, peach, plum, grape, strawberry, garlic, onion, corn, wheat, barley, rice, melon, cucumber, cantaloupe, watermelon, soybean, pea, eggplant, tomato, pepper , potatoes, radishes, celeriac, celery, wild lettuce, garden flowers, lawns, etc. It is also used for preservation of citrus, banana, apple, pear, peach and other fruits during storage.
Targets for control: Isobacteria have a wide spectrum of fungi, and can control fungi that are resistant to benzimidazole systemic fungicides. The main control objects are Botrytis, Cladosporium, Penicillium, Sclerotinia, Alternaria, Helminthosporium, Rhizoctonia, Stem, Species, Cercospora Diseases caused by various crops, fruit trees and fruits during storage, such as grape gray mold, sclerotinia on stone fruit trees, apple spotted leaf disease, pear black spot, tomato early blight , strawberry, vegetable gray mold All have good control effects.
Instructions
1. Prevention and treatment of apple spotted deciduous apples When the spring shoots of the spring shoots begin to sprout, the spray is started. After 10 to 15 days, the spray is sprayed a second time, and the autumn shoots are sprayed once more. Each time, 50% iprodione suspension or wettable powder 1000-1500 times solution or 50% iprodione 66.7-100 ml per 100 liters of water (effective concentration 333-500 mg / liter).
2. Prevention and control of grape gray mold can be applied once every 3 weeks before the flower torus fall off, the grape bunch stops growing, the beginning of maturity and the harvest. If the flowering period or the beginning flowering period begins to occur, one dose of medicine can be added once per acre. Use 50% suspension or wettable powder 60-100 ml (g) (active ingredient 30-50 g).
3. Control of strawberry gray mold In the early stage of strawberry onset, the medicine is sprayed once every 8 days, and the application is stopped 2 to 3 weeks before the harvest. Spray 50 ml of a suspension or a wettable powder of 100 ml (g) (50 g of active ingredient) per acre.
4. The flower rot, gray star disease and gray mold disease flower rot of the stone fruit tree (apricot, cherry, peach, plum, etc.) are sprayed once for each flowering period and full flowering period of the fruit tree. Gray star disease is sprayed once every 3 to 4 weeks and 1 to 2 weeks before fruit harvest. Gray mold is administered 1 to 2 times depending on the condition of the disease before harvest. Spray 50% of the suspending agent or wettable powder of 66-100 ml (grams) (active ingredient 33-50 g) per acre.
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