Fujione Fungicide
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Fujione Fungicide (Isoprothiolane 40% EC) by Rallis India (Tata)
The Ultimate "2-in-1" Solution for Rice Blast Control and Plant Health
Fujione 40 EC is a world-renowned systemic fungicide brought to you by Rallis India (A Tata Enterprise). It is chemically designed to tackle the most dangerous enemy of paddy farmers: Rice Blast (Magnaporthe oryzae). Unlike ordinary fungicides, Fujione doesn't just kill the fungus; it acts as a "health tonic" for your crop. It rejuvenates roots, suppresses hoppers (BPH), and ensures your grain fills completely, reducing chaffy grains.
Why Choose This Product? Key Benefits
- ⏱️Dual Action Power: It works as both a preventive shield (stopping infection before it starts) and a curative medicine (stopping disease after it appears).
- ?️Phytotonic "Root Booster": It heals and energizes rice roots, helping crops survive in "sour" or waterlogged soils where other plants struggle.
- ⏳Long-Lasting Protection: Once applied, it stays active in the plant system for 10 to 14 days, saving you labor costs on frequent spraying.
- ?️Systemic Movement: It is rapidly absorbed by leaves and roots, moving upward (acropetally) to protect new growth and the panicle neck.
- ?BPH Suppression: While fighting fungus, it also suppresses the Brown Plant Hopper (BPH), giving you a double advantage during the critical reproductive stage.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Fujione® |
| Technical Name | Isoprothiolane 40% EC |
| IRAC/FRAC Code | Group F2 (Phospholipid Biosynthesis Inhibitor) |
| Chemical Group | Dithiolane |
| Formulation | Emulsifiable Concentrate (EC) |
| Toxicity Label | Blue Triangle (Class III - Moderate) |
How It Works: Mode of Action
Fujione uses a unique chemistry that the fungus has not adapted to, making it highly effective where other chemicals fail.
- Lipid Starvation: It blocks the fungus from producing essential lipids (fats) needed to build its cell walls. Without this, the fungal cell collapses.
- Anti-Penetration: It stops the fungal spores from forming "infection pegs." Even if a spore lands on your leaf, it cannot puncture the surface to enter the plant.
- Systemic Flow: After spraying, the medicine enters the plant and travels upward, protecting new leaves and the emerging panicle (grains) from the inside out.
This unique action makes it a perfect rotation partner to prevent resistance in your fields.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Paddy (Rice) | Leaf Blast (early stage) |
| Paddy (Rice) | Neck Blast (critical stage) |
| Paddy (Rice) | Secondary suppression of Brown Plant Hopper (BPH) |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Using less water than recommended will reduce control of Blast.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Rice (Leaf Blast) | 300 - 400 ml | 200 Litres | 1.5 - 2.0 ml | 60 Days |
| Rice (Neck Blast) | 400 - 480 ml | 200 Litres | 2.0 - 2.4 ml | 60 Days |
| Root Health | 300 ml | 150 - 200 Litres | 1.5 ml | 60 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Due to the 60-day PHI, do not use this product in the late grain-filling stage if exporting.
How to Apply: Best Practices
- Timing: For best results, spray preventively at the "Booting Stage" (just before the panicle comes out). If you see leaf spots, spray immediately.
- Mixing: Fujione is an EC formulation. Always pour the chemical into water while stirring. It mixes well with most insecticides like Cartap or Fipronil (perform a small jar test first).
- Coverage: Use the full 200 Litres of water per acre. The spray must reach the lower stems and leaves to be effective.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Warning: Do not use in fields where fish farming (aquaculture) is practiced as it is toxic to fish.
Frequently Asked Questions
1. What makes Fujione different from Tricyclazole (Beam)?
While Tricyclazole is a pure protectant, Fujione provides both curative action and unique "phytotonic" benefits that improve root health and grain filling, which Tricyclazole does not do.
2. Can I use Fujione for BPH (Hoppers)?
Fujione helps suppress BPH populations, but it is primarily a fungicide. In high BPH pressure areas, use it alongside a dedicated insecticide for complete control.
3. What is the price of Fujione 1 Litre?
The approximate market price is ₹1,000 per Litre (2025 estimates), though this varies by dealer and region (₹850 - ₹1,300).
4. Can I use this product just before harvest?
No. The Pre-Harvest Interval (PHI) is 60 days. It is best used during the vegetative or booting stages. Using it right before harvest may lead to residue issues for export.
5. Is it safe for fish in the paddy field?
No. Isoprothiolane is toxic to aquatic life. Do not allow spray runoff to enter fish ponds or lakes.
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.