Benzylpyrim*benzothioyl 80% wettable powder
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Benzylpyrimidine*benzothioyl
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Description
Benzylpyrimidine·Benzothiazole 80% Wettable Powder
Bensulfuron-methyl + Mefenacet 80% WP
Active ingredients: Benzylsulfuron + Benzothiazolylglyoxymide | Total active ingredient content: 80%
I. Product Profile
Benzylpyrimidine·Benzothiazole 80% Wettable Powder is aHigh-Concentration Binary Formulation Herbicide Specifically Designed for Rice Fields, bySulfonylurea-based broadleaf sedge herbicide (benzothiadiazole)andAmide-based grass weed pre-emergence herbicide (benzothiazolylacetamide)Scientifically formulated. This product isSingle-application herbicide...It provides excellent control of most annual weeds and some perennial weeds in rice fields, offering dual ”pre-emergence and systemic” effects. Its high-concentration formulation requires lower application rates and delivers more consistent efficacy, making it a highly effective solution for comprehensive weed management in transplanted and direct-seeded rice fields.
II. Mechanisms of action of active ingredients
Mechanism of dual-target synergy
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| Ingredients | Function Category | mechanism of action | Mechanism of action |
|---|---|---|---|
| Bensulfuron | HRAC Class B / WSSA Class 2 | Acetyl-L-lactate synthase (ALS) inhibitors, inhibiting the synthesis of branched-chain amino acids | Systemic, absorbed by roots and leaves |
| Benzothiazolylglyoxamide | HRAC Category K3 / WSSA Category 15 | Cell division inhibitor, interfering with the synthesis of very-long-chain fatty acids | Pre-sprout soil treatment; absorption by young sprouts |
The Principle of Synergy
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Broadleaf Cyperus Herbicide (Benzylsulfuron): Once absorbed by the roots and leaves of weeds, it is transported to various parts of the plant, inhibiting the biosynthesis of branched-chain amino acids and preventing cell division and growth. It is highly effective against duckweed, water caltrop, water parsnip, and other weeds, as well as Cyperaceae weeds (such as water hyssop, heterophyllous sedge, and water sedge).
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Grass-Species Pre-emergence (Bentazone): It is absorbed through the young shoots of weeds, inhibits cell division, and interferes with the synthesis of very-long-chain fatty acids, causing the young shoots to die from poisoning before they emerge from the soil. It is highly effective against barnyard grass and spikerush, and also provides good control against annual weeds such as foxtail, cowhage, and duckweed.
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Synergy: Benzylsulfuron compensates for the poor efficacy of benzothiadiazoxyl against broadleaf weeds and sedge weeds; Benzothiadiazoxam compensates for benzosulfuron’s poor efficacy against barnyard grass, thereby achieving complete control of grass, broadleaf, and sedge weeds in rice fields.
III. Product characteristics
✅ Six Core Advantages
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| Specificities | particular |
|---|---|
| 🎯 One-time weed control—saves labor and time | A single application effectively controls weeds throughout the entire rice growing season, reducing the number of applications required. |
| 🔄 Hekuosha: Complete Control, Broad-Spectrum and Highly Effective | It provides excellent control of grass weeds, broadleaf weeds, and sedge weeds, covering the major weeds found in rice fields. |
| ⏱️ High-concentration formula—use less | The 80% high-concentration wettable powder requires a lower application rate than the 53% formulation and offers better value for money. |
| 🛡️ Safe for rice, highly selective | It is safe for rice growth at the recommended dosage and does not affect tillering or yield. |
| 💧 Flexible and versatile | Can be applied as a soil treatment or sprayed; suitable for various cultivation methods, including transplanting and direct seeding. |
| 🌾 Long-lasting effectiveness—one application lasts the entire season | It has a long residual effect, and a single application is generally sufficient to control weeds throughout the entire growth cycle of rice. |
🎯 Preventing Objects
Primary prevention and eradication: Annual and some perennial weeds, such as barnyard grass, golden needle, cowhair grass, odd-leaved sedge, broken-grain sedge, duck’s-beak grass, jointed grass, field grass, water amaranth, water milfoil, green duckweed, and water snakegourd.
IV. Usage and dosage
📋 Rice field use program
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| Crop type | Application period | Dosage (formulated dose/acre) | Water Body Management | Mode of application |
|---|---|---|---|---|
| Rice Transplanting Fields (Southern Regions) | 5–7 days after transplanting | 40–50 grams per mu | Maintain a water depth of 3–4 cm before application, and keep the soil moist for 5–7 days after application. | Soil Treatment or Spraying |
| Rice Transplanting Fields (Northern Region) | 5–7 days after transplanting | 60–80 grams per mu | Maintain a water depth of 3–4 cm before application, and keep the soil moist for 7–10 days after application. | Soil Treatment or Spraying |
| Rice Fields with Transplanted Seedlings | 5–7 days after transplanting, once the seedlings have taken root and are well-established, | 40–50 grams per mu | Maintain a water depth of 3–4 cm before application, and keep the soil moist for 5–7 days after application. | Poison Soil Technique |
Dosage Instructions: Due to differences in climate, soil, and other conditions, the application rate in northern regions should be slightly higher than in southern regions; for fields with a high initial population of barnyard grass, use the upper limit of the recommended rate, and for fields with a low initial population, use the lower limit of the recommended rate.
V. Guidance for use
🔧 Application Points
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| move | operational specification |
|---|---|
| 1. Seize the opportunity | Apply the pesticide 5–7 days after transplanting in transplanted fields; apply the pesticide after the seedlings have taken root and become established in direct-seeded fields. |
| 2. Field Preparation | Rice paddies should be harrowed and leveled, and rice seedlings should be transplanted immediately after leveling. |
| 3. Aquifer Management | Maintain a water depth of 3–5 centimeters for 7–10 days during and after application; the water level must not submerge the rice plant’s terminal leaf. |
| 4. Preparation of Toxic Soil | Mix the formulation with 15–20 kilograms of fine soil (or chemical fertilizer) per mu, and apply it evenly after the dew has dried. |
| 5. Apply the pesticide evenly | Ensure that the pesticide is evenly distributed over the field to avoid over-spraying or missed spots. |
⚠️ Key Considerations
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⏰ Grasp the application window: In fields where rice seedlings are transplanted, the seedlings must beAfter the sapling has taken rootApply pesticides; applying them before the plants have taken root can easily cause phytotoxicity; in transplanted fields, apply pesticides 5–7 days after transplanting.
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💧 Water Management: Maintain the following during and after application:3–5 cm water depth, 7–10 daysIf there is a water shortage, water the field gradually; do not drain the field, and ensure that the water level does not submerge the rice plants’ terminal leaves.
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🚫 Prohibited plots: This product is less effective in areas with waterlogging, sandy soil, or waterlogged fields; it is suitable for transplanted rice fields. It should not be used in fields with direct-seeded rice, transplanted rice, or other cultivation methods without prior testing.
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🌱 Barnyard grass baseline: For fields with a high baseline population of barnyard grass, use the upper limit of the recommended dose; for fields with a low baseline population, use the lower limit of the recommended dose.
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🐟 Aquatic safety: Do not use in rice paddies where fish are raised; thoroughly clean equipment after application, and ensure that the wash water and any leftover pesticide do not contaminate water sources.
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🧪 Mixing Taboo: Do not mix with alkaline pesticides; it is recommended to rotate this product with herbicides that have different modes of action.
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🔄 Number of uses: Maximum use per growing season1 time。
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🛡️ security: When applying pesticides, wear protective gear such as long sleeves, long pants, boots, a mask, and gloves to avoid inhaling the pesticide solution; do not eat, drink, or smoke while applying pesticides; and wash your hands and face immediately after application.
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🧹 Waste Management: To protect the environment, packaging materials must be disposed of properly; they must not be discarded carelessly, nor used to store other pesticides or food.
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📦 Storage conditions: Store in a cool, dry, well-ventilated place, away from direct sunlight and high temperatures; keep away from sources of fire and out of the reach of children.
Sixth, product specifications and packaging
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| sports event | parameters |
|---|---|
| Total active ingredient content | 80% (benzothiadiazole + benzothiadiazole) |
| exterior condition | Grayish-white to pale yellow powder |
| Suspension rate | ≥70% |
| Wetting time | ≤120 seconds |
| Packaging specification | 50 g × 100 bags/package, 100 g × 50 bags/box, 500 g × 20 bags/box, 25 kg/bag |
| date of use (on foodstuffs) | 2 years |
Warm Tip: When applying this product, please follow the guidance of your local plant protection authorities and adjust the application plan as appropriate based on local weed communities, cultivation practices, and climatic conditions.
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