Krown Insecticide (Dinotefuran 20% SG)
The "Resistance Breaker" for Brown Plant Hoppers and Sucking Pests
Krown is a third-generation systemic insecticide containing Dinotefuran 20% SG. Unlike older chemicals, Krown is designed to target pests that have developed resistance to Imidacloprid and other insecticides. It is formulated as a Soluble Granule (SG), making it dust-free and highly soluble in water for rapid absorption.
Best For: Farmers facing tough infestations of Brown Plant Hopper (BPH) in Rice and the "sucking pest complex" (Whiteflies, Jassids, Aphids) in Cotton.
Why Choose This Product? Key Benefits
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Quick Knockdown: Pests stop feeding almost immediately after contact, preventing further crop damage and "hopper burn."
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Systemic & Translaminar Action: Krown moves upward through the plant stem and passes through leaves to kill pests hiding on the underside.
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Resistance Breaker: Effective against insects that no longer respond to older neonicotinoids due to its unique "furanic" chemical structure.
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Rainfast in 3 Hours: Rapidly absorbed into the plant tissue, ensuring efficacy even if it rains just 3 hours after spraying.
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Advanced SG Formulation: Dissolves completely in water without leaving residue or dust, ensuring uniform coverage and operator safety.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Krown |
| Technical Name | Dinotefuran 20% SG |
| IRAC MoA Code | Group 4A (Neonicotinoid) |
| Chemical Group | Furanic Nicotinyl |
| Formulation | Soluble Granules (SG) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
Krown works by targeting the nervous system of the insect. It is highly water-soluble, allowing it to be absorbed quickly by roots and leaves.
- Systemic Entry: Once sprayed, the active ingredient (Dinotefuran) penetrates the leaf or root and travels through the plant's water vessels (xylem).
- Nerve Disruption: It mimics acetylcholine (a neurotransmitter) and binds to receptors in the insect's brain, causing continuous nervous excitement.
- Cessation of Feeding: The insect becomes paralyzed, stops eating the crop immediately ("The Hunger Strike"), and dies shortly after.
Because it moves to the underside of leaves (Translaminar movement), it effectively kills pests like Whiteflies that hide from direct sprays.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Rice (Paddy) | Brown Plant Hopper (BPH), White Backed Plant Hopper (WBPH) |
| Cotton | Aphids, Jassids, Thrips, Whiteflies |
| Vegetables (Okra/Brinjal) | Jassids, Fruit Borers (Sucking complex) |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Rice (Paddy) | 60 - 80 g | 200 L | 0.3 - 0.4 g | 21 Days |
| Cotton | 50 - 60 g | 200 L | 0.25 - 0.3 g | 15 Days |
| Vegetables | 50 - 60 g | 200 L | 0.25 - 0.3 g | 5 - 7 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Spray during the late evening or early morning to protect bees and pollinators. Avoid spraying when bees are actively foraging.
- Mixing: Krown SG granules dissolve instantly. Mix the required dose with a small amount of water first, then add to the main tank.
- Coverage: Use a Hollow Cone Nozzle to create a fine mist that penetrates the crop canopy to reach the stems where BPH reside.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. No antidote exists, so prevention is key.
Frequently Asked Questions
1. How quickly does Krown work on BPH?
It provides "Quick Knockdown." Pests stop feeding almost immediately upon contact or ingestion, preventing hopper burn.
2. Is Krown safe for honeybees?
Krown is toxic to bees if sprayed directly. To keep them safe, strictly apply the product in the late evening when bees are back in their hives.
3. Can I mix Krown with other chemicals?
Yes, Krown is compatible with most common fungicides like Hexaconazole and Tebuconazole, as well as NPK 19:19:19 water-soluble fertilizers.
4. What happens if it rains after spraying?
Krown is rainfast within 3 hours. If it rains 3 hours after application, you do not need to spray again.
5. Why is the "SG" formulation better than powder?
Soluble Granules (SG) are dust-free (safer for the user) and dissolve fully in water, ensuring that the medicine doesn't settle at the bottom of the tank.
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. Do not use in aquaculture (fish farming) areas.
