Tric Fungicide (Tricyclazole 75% WP) by Krishi Rasayan
The Ultimate Systemic Shield Against Rice Blast (Pyricularia oryzae)
Tric is a premium systemic fungicide developed by Krishi Rasayan to protect your paddy crops from the devastating effects of Blast disease. Powered by Tricyclazole 75% WP, it acts as a powerful "antipenetrant," stopping fungal infection before it can damage your yield. It is the gold standard for domestic rice protection, offering a perfect balance of cost-efficiency and high-performance disease control.
Note: This product is a specialized "Protectant" fungicide—it works best when applied before the disease spreads widely.
Why Choose Tric? Key Benefits for Farmers
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Rapid Systemic Action: Absorbed by the plant within 1 hour. It moves upward (acropetally) in the plant system, protecting new leaves and the emerging panicle automatically.
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Complete Blast Protection: Highly effective against Leaf Blast, Node Blast, and the dreaded Neck Blast (which causes empty grains).
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Long-Lasting Residual Effect: A single spray provides protection for 14 to 21 days, reducing the need for frequent re-spraying and saving labor costs.
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Excellent Rainfastness: Once dried (approx. 1 hour), it does not wash off with rain. This makes it the perfect choice for the rainy Kharif (Monsoon) season.
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Phytotonic Yield Boost: Beyond disease control, Tric keeps leaves green longer ("stay-green effect"), resulting in shiny, heavier, and higher-quality grains.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Tric |
| Technical Name | Tricyclazole 75% WP |
| IRAC MoA Code | Group 16.1 (MBI-D) |
| Chemical Group | Triazolobenzothiazole |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Yellow Triangle (Highly Toxic) |
How It Works: Mode of Action
Tric works by disabling the fungus's ability to "punch" into the plant leaf. It inhibits Melanin Biosynthesis within the fungal spore.
- Melanin Block: The fungus needs a dark pigment called melanin to harden its cell wall.
- Pressure Failure: Without melanin, the fungal "appressorium" (infection structure) cannot build up the pressure needed to pierce the tough rice leaf.
- Infection Stopped: The spore effectively collapses on the surface without entering the plant. This makes Tric a superb Prophylactic (Preventative) fungicide.
Note: Because it prevents entry rather than killing established fungus inside the plant, it must be applied before or at the very first sign of disease.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Paddy (Rice) | Leaf Blast |
| Paddy (Rice) | Neck Blast (Panicle Blast) |
| Paddy (Rice) | Node Blast |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. The 120g pack is specifically designed for one acre of paddy.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Paddy (Standard Spray) | 120 g | 150 - 200 L | 0.6 g - 0.8 g | 30 Days |
| Seed Treatment | 3.0 g / Kg Seed | N/A (Slurry) | N/A | - |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Important for minimizing residues.
How to Apply: Best Practices
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Timing: Apply as a preventative measure.
1. Tillering Stage: If leaf blast spots appear.
2. Booting/Panicle Emergence: Critical spray to prevent Neck Blast (prevents "chaffy" grains). - Mixing: Compatible with most insecticides (like Cartap, Chlorpyriphos) and fungicides (Hexaconazole). DO NOT mix with alkaline products like Bordeaux mixture or Lime Sulphur.
- Coverage: Ensure uniform coverage. The systemic nature will help move the chemical to leaf tips, but good initial coverage is vital.
- Safety: Always wear PPE (gloves, mask, goggles) as this product is classified as toxic. Wash hands thoroughly after use.
Frequently Asked Questions
1. Is Tricyclazole curative or preventative?
It is primarily a protectant/preventative. It stops the fungus from entering the plant. For best results, apply it before the disease becomes severe.
2. Can I use this on Basmati rice for export to the EU/USA?
No. The EU has very strict residue limits (0.01 ppm) for Tricyclazole. It is recommended for domestic rice production only. For export rice, consult your agronomist for alternatives.
3. Is it safe for fish?
No. Tric is toxic to fish. Do not use in paddy fields where fish are being reared (Rice-Fish culture) or near active water bodies.
4. Does rain wash it off?
Tric is rainfast after 1 hour. If it rains an hour after spraying, you do not need to respray.
5. Can I mix it with other chemicals?
Yes, it is compatible with common insecticides like Cartap (for Stem Borer) and fungicides like Hexaconazole (for Sheath Blight).
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. This product is toxic to aquatic life; avoid water contamination.

