Product Name: Pyrazophos

Product Name: Pyrazophos

Chemical Name: Ethyl 2-[(diethoxyphosphinothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS Number: 13457-18-6
Chemical Class: Organophosphorus fungicide and insecticide
Formulation Types: Emulsifiable Concentrate (EC), Wettable Powder (WP)

🌿 Product Overview:

Pyrazophos is a dual-action organophosphorus fungicide and insecticide used to control a wide range of fungal diseases and certain insect pests, particularly on fruits, vegetables, and cereals. It is especially effective against powdery mildew, scab, and downy mildew, with additional efficacy against some insect pests such as leaf miners and thrips.

This unique compound exhibits systemic and contact activity, being absorbed through the leaves and translocated within the plant, providing preventive and curative protection. Pyrazophos is also known for its long residual action, making it a trusted component in integrated pest and disease management programs.

🔍 Key Features & Benefits:

• ✅ Dual-action: Controls both fungi and insect pests

• ✅ Systemic & contact activity for broad, lasting protection

• ✅ Highly effective against powdery mildew and scab

• ✅ Curative and preventive properties

• ✅ Controls pests like leaf miners and thrips

• ✅ Rapid absorption and internal movement in plant tissues

• ✅ Ideal for IPM programs and resistance management

🌾 Recommended Crops:

• Grapes

• Apples

• Pears

• Stone fruits (peaches, cherries, plums)

• Cucurbits

• Tomatoes and peppers

• Cereals (wheat, barley, oats)

• Ornamentals

🦠 Diseases Controlled:

• Powdery mildew (Erysiphe spp., Oidium spp.)

• Scab (Venturia inaequalis)

• Downy mildew (Plasmopara viticola, Peronospora spp.)

• Leaf spot diseases (Cercospora spp., Alternaria spp.)

🐛 Insect Pests Controlled (in some formulations):

• Leaf miners (Liriomyza spp.)

• Thrips

• Mites (secondary activity)

⚙️ Mode of Action:

Fungicidal action: Pyrazophos disrupts fungal lipid metabolism and cell membrane synthesis, inhibiting spore germination and fungal development.

Insecticidal action: It acts on the nervous system of pests by inhibiting acetylcholinesterase, causing overstimulation and death.

It is classified under FRAC Group P01 (fungicide) and IRAC Group 1B (insecticide), allowing for effective rotation and resistance management.

📋 Application Guidelines:

• Application Method: Foliar spray

• Dosage Range:

  • Fungicidal use: 0.75 – 1.25 L/ha depending on crop and disease severity

  • Insecticidal use (leaf miners, thrips): 1.0 – 1.5 L/ha

• Timing: Apply at early signs of disease or pest activity

• Re-application Interval: 10–14 days based on weather and pressure

• Water Volume: 300–500 L/ha for thorough leaf coverage

• Pre-Harvest Interval (PHI): Typically 14–21 days (check local guidelines)

⚠️ Handling & Safety:

• Toxicity: Moderate (Category II) – use appropriate protective gear

• Environmental Hazard: Toxic to fish and aquatic organisms – avoid water contamination

• First Aid: In case of contact or ingestion, seek immediate medical attention

• Storage: Store in original containers, tightly closed in a cool, dry, well-ventilated area away from food and feed

• Regulations: Use according to label instructions and local agricultural regulations

📦 Packaging & Shelf Life:

• Available Packs: 250 mL, 500 mL, 1 L, 5 L

• Formulation Types: EC (Emulsifiable Concentrate), WP (Wettable Powder)

• Shelf Life: 2 years under proper storage conditions

♻️ Resistance Management Tips:

• Rotate Pyrazophos with fungicides and insecticides from different chemical classes

• Avoid repeated use on the same crop cycle

• Integrate with cultural practices and biological controls for effective long-term management

• Do not exceed the maximum number of sprays per season (usually 2–3 applications)

✅ Conclusion:

Pyrazophos is a powerful and versatile agrochemical that offers broad-spectrum control of both fungal pathogens and specific insect pests. With its systemic protection, long residual action, and dual fungicide-insecticide activity, Pyrazophos stands out as a smart, efficient choice for modern crop protection strategies.

🍇🌾 Pyrazophos – Dual Action, Strong Protection.
Guard your crops from both disease and pests with a single solution.

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