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Pyraclostrobin, developed by Red Sun, is a broad-spectrum fungicide that acts by inhibiting mitochondrial respiration in pathogenic fungi, blocking the electron transport chain and ultimately causing cell death. Its mode of action integrates protective, curative, and translaminar properties, ensuring comprehensive control. The product demonstrates high efficacy against a wide range of crop diseases such as downy mildew, powdery mildew, black spot, and leaf spot.
Parameter | Details |
Molecular Formula | C₁₉H₁₈ClN₃O₄ |
Molecular Weight | 387.817 g/mol |
Exact Mass | 387.098572 |
Density | 1.3 ± 0.1 g/cm³ |
Boiling Point | 501.1 ± 60.0 ℃ at 760 mmHg |
Flash Point | 256.8 ± 32.9 ℃ |
Refractive Index | 1.592 |
Vapor Pressure | 0.0 ± 1.3 mmHg at 25 ℃ |
PSA | 65.82000 |
LogP | 4.25 |
Molar Refractivity | 102.67 |
Molar Volume | 303.4 cm³/mol |
Isotonic Volume | 788.5 at 90.2K |
Surface Tension | 45.6 dyne/cm |
Polarizability | 40.70 (10⁻²⁴ cm³) |
Storage Conditions | Stable for 2 years at 20 ℃ |
Stability | Photolysis half-life 0.06 d in water |
Pyraclostrobin disrupts fungal respiration by blocking electron transfer in mitochondria, which damages the cell structure of the fungus. It shows control against diseases such as anthracnose, powdery mildew, and leaf spot, reducing fungal survival in a wide range of crops.
The product can be applied at early stages to prevent disease or after infection to limit spread. It is suitable for cereals, vegetables, fruits, and ornamentals, offering broad protection across different growth cycles and helping maintain crop health.
Pyraclostrobin activates the natural defense system of plants and helps them tolerate stress from external conditions. Treated crops can sustain normal growth under drought or temperature pressure, reducing damage and ensuring more consistent yield outcomes.
The product improves photosynthetic activity and enhances nutrient uptake, supplying crops with more energy for development. This process results in stronger plants and fuller fruits, which directly support higher yields and stable quality in harvests.
Pyraclostrobin optimizes leaf structure and increases chloroplast activity, which raises the rate and efficiency of photosynthesis. The higher accumulation of biomass supports better crop growth and fruit development throughout the production season.
Pyraclostrobin provides effective control against a wide range of fungal classes, including Ascomycetes, Basidiomycetes, Deuteromycetes, and Oomycetes. It covers dozens of important crop diseases and supports consistent field performance in multiple farming systems.
The product combines protective, curative, and translaminar actions. It prevents new infections, treats existing ones, and penetrates leaf tissues for lasting coverage. This integrated approach ensures both prevention and treatment in a single application.
Pyraclostrobin penetrates leaves quickly and reaches the underside without the need for additional agents. This property allows thorough coverage and helps eliminate fungal presence more completely across the treated area.
The product supports crop health by inducing enzyme activity, delaying senescence, and improving nutrient use. These effects lead to higher yields and better quality harvests, while strengthening the resilience of plants during growth.
Red Sun Pyraclostrobin remains stable for up to two years under normal storage conditions. It shows no phytotoxicity, presents minimal environmental risk, and can be used safely on a wide range of crops.
Pyraclostrobin is used to control powdery mildew, downy mildew, black rot, brown rot, and dieback in grapes. Application is recommended at 100 g/hm², repeated 5–7 times with an interval of 12–14 days for effective disease management.
For loquat angular leaf spot, a 25% emulsifiable concentrate diluted 1000–3000 times is sprayed. The interval is 10–15 days, with 2–3 continuous applications for better results.
The product controls citrus scab, resin disease, and black rot. Recommended dose is 50 g/hm², applied 2–3 times with intervals of 34–58 days. Alternate use with other fungicides can also improve citrus quality.
For turf brown patch, tea anthracnose, and other related diseases, spray at 125–250 mg/kg dilution. Turf diseases such as damping-off, blight, southern blight, and snow mold are treated with 250–560 g/hm², applied 3–5 times every 14 days.
Pyraclostrobin is applied to orchids, carnations, roses, lilies, tulips, and bromeliads for root rot, anthracnose, leaf spot, rust, and wilt. Recommended concentration is 1500–3000 times dilution, spraying evenly with a manual sprayer.
Under warm and humid climates, grapevine black pox, powdery mildew, and anthracnose spread quickly. Preventive sprays should begin before outbreak, followed by 2–3 applications every 7–10 days depending on weather and disease progress.
The fungicide controls turf diseases such as Pythium blight, summer patch, dollar spot, Fusarium wilt, and powdery mildew. Application is at 1500–3000 times dilution, sprayed with a manual sprayer for uniform coverage.
Pyraclostrobin may affect silkworms, so drift should be prevented near mulberry fields. When applied on pear trees, avoid spraying at the flowering stage and within 20 days after
Safe use of Pyraclostrobin requires attention to user protection, environmental care, and correct storage. Following these guidelines helps reduce risk to people, animals, and ecosystems while ensuring effective application in agriculture.
This product is highly toxic to fish, aquatic organisms, and silkworms. Do not use near mulberry fields or water bodies. Do not wash equipment in rivers or ponds. It has low toxicity to bees, earthworms, and birds.
Wear protective clothing, gloves, and a mask during handling. Avoid contact with skin and inhalation through mouth or nose. Do not eat, drink, or smoke during use. Wash exposed skin and change clothing after application.
Alternate with fungicides of different action modes. This practice delays the development of resistance and supports long-term field effectiveness.
Used containers must be disposed of safely. Do not reuse containers for other purposes, and do not discard them in open areas.
Pregnant and breastfeeding women should avoid contact with this product. Extra caution is required in such cases.
Prepare the solution fresh before each use. Stir thoroughly during mixing to ensure even distribution in water.
If discomfort occurs, stop work and seek medical attention with the product label. For skin contact, wash with soap and water. For eye exposure, rinse for 15 minutes. For inhalation, move to fresh air. For ingestion, rinse mouth and go to hospital immediately.
Store in a cool, dry, ventilated place away from rain, fire, and heat. Keep locked and out of reach of children or unauthorized persons. Do not store or transport with food, drink, feed, or seed.
Red Sun Pyraclostrobin complies with national registration and quality standards. The following registrations confirm its approved use in agriculture and support safe distribution.
· 98% TC: Registered as technical concentrate under code PD20172025.
· 30% SC: Registered as suspension concentrate under code PD20183116.
· Compliance Scope: All products meet regulatory requirements for production, labeling, and agricultural application.
Red Sun Pyraclostrobin is managed under international packaging and transport standards. The following information guides safe labeling, handling, and logistics during storage and shipment.
· GHS Symbols: Classified under GHS06 and GHS09.
· Signal Word: Danger, indicating hazardous classification.
· Hazard Statements: H315, H331, H410 define skin, inhalation, and aquatic risks.
· Precautionary Statements: P261, P273, P304+P340+P312, P391, P403+P233, P501 provide handling and disposal guidance.
· Personal Protective Equipment: Gloves are required for direct handling.
· European Risk Phrases: R50/53 highlights environmental risk.
· European Safety Phrases: S60, S61 guide disposal and environmental care.
· Transport Code: Classified as dangerous goods UN30779, PG3.
· RTECS Number: EZ3441000 for toxicological reference.
