Supremo SP Insecticide (Thiocyclam Hydrogen Oxalate 50% SP)
The Ultimate Resistance Breaker for Rice Stem Borer and Leaf Folder.
Supremo SP by Insecticides (India) Limited is a powerful, broad-spectrum insecticide designed specifically for modern rice farming. It features a unique active ingredient, Thiocyclam Hydrogen Oxalate, derived from marine nature. Unlike common pesticides, it attacks the insect's nervous system in a new way, making it the perfect choice for controlling pests that have become resistant to other chemicals.
Best For: Farmers looking for a "Maharatna" class product to stop "Dead Heart" and "White Ear" damage in paddy crops instantly.
Why Choose Supremo SP? Key Benefits
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Rapid Feeding Cessation: Pests stop eating your crop almost immediately after contact, preventing further damage.
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Breaks Resistance: Works on pests that are no longer killed by ordinary organophosphates or pyrethroids.
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Systemic Action: The medicine moves inside the plant (upward), reaching hidden larvae inside the stem.
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Rainfastness: requires a rain-free window of just 2 to 4 hours to be effective.
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Translaminar Movement: Penetrates the leaf surface to kill pests hiding on the underside (like leaf folders).
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Supremo SP |
| Technical Name | Thiocyclam Hydrogen Oxalate 50% SP |
| IRAC MoA Code | Group 14 (Nereistoxin Analogue) |
| Chemical Group | Organosulfur (Nereistoxin) |
| Formulation | SP (Soluble Powder) |
| Toxicity Label | Blue Triangle (Moderately Hazardous) |
How It Works: Mode of Action
Supremo SP works by mimicking a natural toxin found in marine worms. It acts on the Central Nervous System (CNS) of the insect.
- Blockade: It binds to the Nicotinic Acetylcholine Receptors (nAChR) in the insect's nerves.
- Paralysis: Unlike other poisons that over-excite the insect, Supremo blocks the signals. This causes paralysis.
- Death: The insect becomes lethargic, falls off the plant, and dies from starvation and nervous system shutdown.
Because it blocks receptors rather than exciting them (like Neonicotinoids), it is excellent for rotation to prevent resistance.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Rice (Paddy) | Yellow Stem Borer (Scirpophaga incertulas) |
| Rice (Paddy) | Leaf Folder (Cnaphalocrocis medinalis) |
| Vegetables (Off-Label*) | Leaf Miners, Thrips, Aphids (*check local regulations) |
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) | 400 g - 450 g | 200 L | 2.0 - 2.25 g | 30 Days |
| Vegetables | Consult Agronomist | 150 - 200 L | ~ 2 g | - |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Apply at the "Egg Mass" stage or when you see 5% Dead Hearts. Early application prevents larvae from entering the stem.
- Mixing: This is a Soluble Powder (SP). Dissolve the powder in the tank first, then add other ingredients. Do NOT mix with alkaline products like Bordeaux mixture.
- Coverage: Ensure full coverage of the crop canopy. Use at least 200 Liters of water per acre for best systemic results.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid using during active bee foraging.
Frequently Asked Questions
1. Is Supremo SP safe for export Basmati rice?
No. The European Union has very strict limits (MRLs) for Thiocyclam. It is recommended to avoid this product if your crop is destined for export to the EU.
2. Can I mix Supremo SP with fungicides?
Yes, it is compatible with neutral fungicides like Hexaconazole. However, strictly avoid mixing it with alkaline products like Lime Sulfur or Copper + Lime.
3. Is there an antidote for accidental poisoning?
Yes. While treatment is symptomatic, medical literature suggests L-Cysteine can be used as an antidote. Always consult a doctor immediately.
4. Does it kill beneficial insects?
It is toxic to honeybees. Do not spray when bees are actively visiting flowers in the field or nearby weeds.
5. How fast does it work?
Pests stop feeding almost immediately after contact/ingestion. Mortality (death) typically occurs within 24 to 72 hours.
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 drain treated field water into fish ponds for at least 7 days.
