HPM Robocop Fungicide - Propiconazole 13.9% + Difenoconazole 13.9% EC for Sheath Blight & Dirty Panicle in Paddy

HPM Robocop is a powerful combination fungicide that contains two active ingredients — Propiconazole 13.9% w/w and Difenoconazole 13.9% w/w, formulated as an Emulsifiable Concentrate (EC). This product belongs to the triazole group of fungicides and is specifically designed to protect paddy (rice) crops from two major fungal diseases: Sheath Blight and Dirty Panicle. By combining two complementary modes of action, Robocop offers effective disease control that helps farmers achieve healthier plants and better yields.

Sheath blight is one of the most destructive diseases in rice, causing significant yield loss by damaging leaf sheaths and stems. Dirty panicle disease affects the grain quality, leading to discolored and shriveled grains. HPM Robocop targets both these diseases at critical growth stages of the rice crop. When applied at the early vegetative stage (25-30 days after transplanting), it helps produce more productive tillers. Its ability to protect the flag leaf — the most important leaf for grain filling — ensures that the plant's yield potential is fully realized. Farmers using Robocop can expect healthier tillers, better disease management, and improved grain quality at harvest.

Key Benefits

• Dual-action triazole combination provides broad-spectrum control of both Sheath Blight and Dirty Panicle diseases in a single product
• Early application at 25-30 DAT helps produce more productive tillers, setting a strong foundation for higher yield
• Protects the flag leaf — the key leaf responsible for grain filling — leading to better grain quality and weight
• Two different modes of action reduce the risk of fungicide resistance development in fungal populations
• Systemic action ensures the fungicide moves inside the plant for thorough disease protection
• Helps prevent grain discoloration and shriveling caused by dirty panicle disease, improving marketable yield
• Available in multiple pack sizes (100 ml to 1 litre) to suit small and large farms alike

How It Works

HPM Robocop contains two triazole fungicides that work by interfering with the fungus's ability to build and maintain its cell membrane. Both Propiconazole and Difenoconazole are sterol demethylation inhibitors (DMIs). They block a key enzyme involved in the production of ergosterol, an essential component of the fungal cell membrane. Without ergosterol, the fungal cell membrane becomes weak and leaky, stopping the fungus from growing and eventually killing it.

Propiconazole acts as a steroid demethylation inhibitor of ergosterol biosynthesis, while Difenoconazole also inhibits sterol demethylation. Together, they provide a powerful one-two punch against fungal pathogens. Both active ingredients are systemic in nature, meaning they are absorbed by the plant and move upward through the xylem tissues. This systemic movement ensures that the fungicide reaches new growth and protects the plant from inside out, rather than just sitting on the leaf surface. The combination of two different triazole molecules also means that even if a fungal population shows reduced sensitivity to one active, the other remains effective, making Robocop a reliable choice for disease management in rice.

Technical Specifications

Parameter	Details
Product Name	HPM Robocop
Brand	HPM Chemicals & Fertilizers Ltd.
Active Ingredients	Propiconazole 13.9% w/w + Difenoconazole 13.9% w/w
Formulation Type	EC (Emulsifiable Concentrate)
Chemical Group	Triazoles (DMI - Demethylation Inhibitors)
Mode of Action	Systemic (absorbed and moves upward in plant)
Registration No.	CIR-129291/2015-Propiconazole + Difenoconazole (EC)(353)-202
Available Pack Sizes	100 ml, 250 ml, 500 ml, 1 litre
Target Crop	Rice (Paddy)
Target Diseases	Sheath Blight, Dirty Panicle

Recommended Dosage & Application

HPM Robocop is recommended for use on rice (paddy) crops. Apply the product at the early vegetative stage, specifically 25-30 days after transplanting (DAT), for best results. The exact dosage per acre or per litre of water should be followed as per the label instructions on the product packaging. Always use the recommended quantity of water to ensure thorough coverage of the crop canopy. Apply as a foliar spray using a knapsack sprayer or power sprayer, ensuring uniform coverage on the leaf sheaths and stems where sheath blight infection typically begins.

When to Use

The ideal time to apply HPM Robocop is at the early vegetative stage of the rice crop, approximately 25-30 days after transplanting (DAT). This is the stage when the plant is actively producing tillers and is most vulnerable to sheath blight infection. Applying at this stage helps protect young tillers and promotes the development of more productive tillers that will bear the grain panicles later in the season.

Farmers should also consider a second application if disease pressure is high or if weather conditions (high humidity, frequent rainfall, dense crop canopy) favor disease development. The flag leaf stage is another critical window — protecting the flag leaf ensures maximum grain filling. Regular scouting of the field for early signs of sheath blight (water-soaked lesions on leaf sheaths) or dirty panicle (discolored panicles and grains) will help determine the right timing for application.

Step by Step Usage Instructions

1. Check the weather: Ensure no rain is expected for at least 4-6 hours after spraying. Avoid application during strong winds or extreme heat.
2. Prepare the spray solution: Fill the spray tank with half the required amount of clean water. Add the recommended dose of HPM Robocop and stir well. Add the remaining water and mix thoroughly.
3. Calibrate your sprayer: Ensure the sprayer nozzle produces a fine to medium spray for even coverage. Check that the sprayer is clean and free of residues from previous products.
4. Apply uniformly: Spray the solution evenly over the crop, focusing on the lower parts of the plant (leaf sheaths and stem base) where sheath blight starts. Ensure good coverage of the entire plant canopy.
5. Clean equipment: After spraying, rinse the spray tank, hoses, and nozzles thoroughly with clean water. Dispose of rinse water away from water bodies.
6. Record keeping: Note the date of application, dosage used, and crop stage for future reference and rotation planning.

Precautions & Safety

• Wear protective gloves, mask, and goggles while handling and spraying the product
• Avoid inhalation of spray mist and contact with skin or eyes
• Do not eat, drink, or smoke while handling or spraying the fungicide
• Wash hands and exposed skin thoroughly with soap and water after use
• Store the product in a cool, dry place away from direct sunlight and moisture
• Keep out of reach of children, pets, and livestock
• Do not store near food, feed, or drinking water
• Avoid spray drift to nearby water bodies, ponds, or wells
• Dispose of empty containers safely — do not reuse for any purpose

Side Effects & Phytotoxicity

When used as per recommended dosage and timing, HPM Robocop is safe for the rice crop. However, as with all triazole fungicides, over-application or use under stressed crop conditions (extreme heat, drought, waterlogging) may cause temporary growth suppression or leaf yellowing. Always follow the recommended dose and do not exceed the specified application rate. If phytotoxicity symptoms are observed, consult your local agriculture officer or HPM representative for guidance.

PHI / REI & Storage

Parameter	Details
PHI (Pre-Harvest Interval)	Follow label instructions on product packaging
REI (Re-Entry Interval)	Allow spray to dry completely before re-entering the field
Storage Conditions	Store in a cool, dry place away from direct sunlight and moisture. Keep container tightly closed when not in use.
Shelf Life	As per manufacturer's expiry date on the product packaging