Features of Propiconazole
1. Propiconazole has high fungicidal activity and is effective against diseases caused by higher fungi on various crops. It can control powdery mildew, anthracnose, rust, and root rot, and is particularly effective against watermelon vine wilt and strawberry powdery mildew. However, it is ineffective against downy mildew and late blight.
2. Propiconazole has strong systemic properties and bidirectional translocation. It can kill invading pathogens within 2 hours of application, controlling disease spread in 1-2 days and preventing outbreaks. Its penetration and adhesion are extremely strong, making it especially suitable for use during rainy seasons.
3. Its residual effect lasts for 15-35 days, saving 2-3 applications compared to conventional products.
4. Its unique “vapor-phase activity” ensures that even with uneven spraying, the solution distributes evenly within the leaf tissues of the crops, achieving ideal control effects.
5. After harvest, it has significant preservation effects, resulting in attractive appearance and extended marketability of the fruits.
Product Details of Propiconazole
| Product name | Propiconazole |
| Tech grade | 97%TC |
| Formulation | 25%EC, 50%EW |
| Molecular formula | C15h17cl2n3o2 |
| CAS No. | 60207-90-1 |
| EINECS No. | 262-104-4 |
| Shelf life | 2 Years |
Application
1. Vegetable Diseases
Control powdery mildew on strawberries, tomatoes, onions, lettuce, coriander, bitter melon, and others. For rust on leeks, onions, chives, garlic, daylilies, lentils, broad beans, cowpeas, and water bamboo, use 25% propiconazole emulsion at 3000 times dilution for 2-3 applications at the early stages.
For anthracnose on tomatoes and leaf spot on peppers, use 25% propiconazole emulsion at 2500 times dilution at the early stages.
For early blight on tomatoes, use 25% propiconazole emulsion at 2000-3000 times dilution at the early stages.
For brown spot and leaf blight on peppers, apply immediately when symptoms appear, using 25% propiconazole emulsion at 40 mL per acre mixed with 45-60 kg of water. Reapply after 15-20 days.
For stem base rot on eggplants, use 25% propiconazole emulsion at 2500 times dilution for root drenching, applying 250 mL per plant for 2-3 applications.
For wilt on pumpkins, use 25% propiconazole emulsion at 1500 times dilution at the early stages.
For anthracnose, powdery mildew, and leaf spot on cucumbers, use 25% propiconazole emulsion at 4000 times dilution at the early stages.
For anthracnose on bitter melons and melons, use 25% propiconazole emulsion at 1000 times dilution at the early stages.
For vine wilt on watermelons during the swelling period, use 25% propiconazole emulsion at 5000 times dilution, or for root drenching, use 250 mL per plant at 2500 times dilution for 2-3 applications.
For brown spot on corn, use 25% propiconazole emulsion at 1500 times dilution at the early stages.
For vine wilt on greenhouse melons, apply 80-130 mL of 25% propiconazole emulsion per acre mixed with 2350 mL of water and 1250 g of flour to the stem base. Reapply every 7-10 days for 2-3 times, ensuring a 20-day safety interval before harvest.
For powdery mildew and brown spot on strawberries, use 25% propiconazole emulsion at 4000 times dilution at the early stages, reapplying every 14 days for 2-3 times.
For brown spot on lotus roots (Pythium), mix 1 part of 25% propiconazole emulsion with 1000 parts of soil to create a medicated soil. Apply tightly around the lotus roots every 7 days starting from the early stages for 3 times.
2. Fruit Tree Diseases
For powdery mildew and anthracnose on grapes, for protective treatment at early stages, use 25% propiconazole emulsion at 250 times dilution. For therapeutic treatment during disease progression, use 25% propiconazole emulsion at 3000 times dilution, with intervals of 14-18 days.
For leaf spot and black star disease on bananas, start spraying at the early stages or when symptoms first appear, every 20 days for 2-4 applications, using 25% propiconazole microemulsion at 500-600 times dilution, or 25% propiconazole emulsion at 600-800 times dilution.
For anthracnose on lychee, use 20% propiconazole microemulsion at 600-800 times dilution, or 25% propiconazole emulsion at 800-1000 times dilution, spraying once after flowering, during young fruit stage, and when the fruit changes color.
For brown spot on apples, use 20% propiconazole microemulsion at 800-1000 times dilution, or 25% propiconazole emulsion at 1000-1500 times dilution, starting 1-1.5 months after flowering or when symptoms first appear, spraying every two weeks for 3-5 times.
3. Grain and Oil Crop Diseases
For leaf spot on peanuts, use 25% propiconazole emulsion at 2500 times dilution at the early stages, spraying every 14 days for 2-3 applications.
For sheath blight on rice, apply 20-40 mL of 25% propiconazole emulsion per acre mixed with 45-60 kg of water before or at the early stages.
For powdery mildew, rust, root rot, leaf blight, leaf rust, net blotch, crown rust on oats, eye spot, and glume blotch on wheat (during the booting stage), apply 30-40 mL of 25% propiconazole emulsion per acre mixed with 45-60 kg of water before or at the early stages.
For sheath blight on wheat, spray 25% propiconazole emulsion at 1500 times dilution at the initial onset; during disease progression, use 1000 times dilution. Ensure a minimum of 60 kg of spray per acre for manual application, 10 kg for tractor application, and 1-2 kg for aerial application. Spray evenly on the stem nodes of the wheat.
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