Shirasagi Fipronil 40%+Imidacloprid 40%WG
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Shirasagi Insecticide (Fipronil 40% + Imidacloprid 40% WG)
The "Double-Engine" Expert for White Grubs and Sucking Pests
Shirasagi (by IFFCO-MC) is a premium, high-power insecticide designed to solve complex pest problems in one shot. By combining two trusted chemicals—Fipronil and Imidacloprid—in a concentrated WG (Granule) formulation, it provides complete protection against soil-dwelling enemies like White Grubs and leaf-feeding sucking pests.
Best For: Sugarcane and Groundnut farmers battling White Grubs, and Cotton/Vegetable growers facing heavy sucking pest attacks.
Why Choose This Product? Key Benefits
- ⏱️Instant Knockdown: Stops pests from feeding immediately upon contact, preventing further crop damage.
- ?️Dual Mode of Action: Attacks the pest's nervous system from two angles, making it effective even against resistant pests.
- ⏳Long-Lasting Protection: Stays active in the soil and plant system for weeks, reducing the need for repeated sprays.
- ?️Systemic Power: Absorbed by roots and leaves to protect the entire plant (even new growth) from the inside out.
- ?Plant Health Booster: Promotes "Greenness" (Phytotonic effect), leading to better root development and healthier crops.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Shirasagi (IFFCO-MC) |
| Technical Name | Fipronil 40% + Imidacloprid 40% WG |
| IRAC MoA Code | Group 2B + Group 4A |
| Chemical Group | Phenylpyrazole + Neonicotinoid |
| Formulation | WG (Water Dispersible Granules) |
| Toxicity Label | Yellow/Blue (Highly Toxic - Use PPE) |
How It Works: Mode of Action
Shirasagi employs a unique "Dual-Lock" strategy that targets the insect nervous system in two ways:
- Fipronil (Contact Action): Blocks the chloride channels (GABA receptors) in the insect's central nervous system, causing hyperexcitation, paralysis, and death.
- Imidacloprid (Systemic Action): Mimics natural neurotransmitters to overstimulate the nerves. It is absorbed by the plant and moves upwards, killing pests that suck plant sap.
- Resistance Breaking: Because it attacks two different targets, it is highly effective against pests that have developed resistance to ordinary insecticides.
Result: A "Clean Sweep" of both hidden soil pests and visible foliage pests.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Sugarcane | White Grub (Root Grub), Termites, Early Shoot Borer |
| Groundnut | White Grub |
| Cotton & Vegetables | Jassids, Thrips, Aphids, Whiteflies |
Dosage & Application Guide
The Golden Rule: Dosage varies drastically between soil use (White Grub) and spray use (Sucking Pests). Always follow the "Dose per Acre" carefully.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop / Method | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Sugarcane (Soil Drench) | 175g - 200g | 400 - 500 L | 0.5g / L | 296 |
| Groundnut (Soil Drench) | 100g - 120g | 400 L | 0.3g / L | 106 |
| Cotton/Veg (Foliar Spray) | 40g - 50g | 150 - 200 L | 0.25g / L | 7 - 15 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Dosage is in GRAMS (g), not ml.
How to Apply: Best Practices
- Timing: For White Grubs, apply during planting or early monsoon (June-July). For Sucking Pests, spray at the first sign of infestation.
- Mixing: Dissolve the granules in a small quantity of water first to make a slurry, then add to the main tank. It disperses rapidly.
- Coverage: For Soil Application (Sugarcane/Groundnut), drench the root zone thoroughly. High water volume is critical to reach the grubs.
- Safety: Always wear PPE (gloves, mask, goggles). This product is highly toxic to bees; do not spray during active flowering times.
Frequently Asked Questions
1. Does Shirasagi kill White Grubs effectively?
Yes, it is a specialized product for White Grub control. The Fipronil component creates a toxic barrier in the soil, protecting roots from grub damage.
2. Can I use this on Cotton for Thrips and Jassids?
Absolutely. Used as a foliar spray (40-50g/acre), the Imidacloprid component provides excellent systemic control against sucking pests.
3. Is the dosage different for Soil vs. Spray?
Yes, significantly. Soil application (Sugarcane) requires ~200g/acre, while foliar spray requires only 40-50g/acre. Always check the label.
4. Is Shirasagi safe for Honeybees?
No. Like most neonicotinoids, it is toxic to bees. Avoid spraying during the flowering stage when bees are active to protect pollinators.
5. What is the formulation type?
It is a WG (Water Dispersible Granule). This means it is a solid granule that dissolves easily in water, offering high potency without the smell or dust of older powders.
Safety & Disclaimer
Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application.