Crux-Thiomethoxam 25% Wg
Nichino Crux (Thiamethoxam 25% WG) is a systemic insecticide that controls major sucking pests in crops. It ensures quick absorption, lasting protection, and improved crop vigor and yield.
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Crux Insecticide (Thiamethoxam 25% WG) - Nichino India
The Ultimate Solution for Sucking Pests with "Phytotonic" Plant Vigor Action
Crux by Nichino India is a broad-spectrum systemic insecticide containing Thiamethoxam 25% WG. It is designed to control tough sucking pests like Brown Plant Hopper (BPH), Whiteflies, and Aphids. Beyond just killing pests, Crux provides a unique "Vigor Effect," making your plants greener, healthier, and more stress-resistant.
Best For: Rice (Paddy), Cotton, Vegetables, Tea, and Potato farmers looking for rapid knockdown and long-duration protection.
Why Choose This Product? Key Benefits
- ⏱️Rapid Action: Quickly absorbed by the plant (Systemic Action) to stop pests from feeding within hours.
- ?️Broad Spectrum Defense: One shot control for Aphids, Jassids, Whiteflies, and Mosquito bugs.
- ⏳Long-Lasting Protection: Translocates through the xylem to protect new shoot growth emerging after spray.
- ?️Rainfastness: Absorbed quickly into the leaf tissue; rainfast within 2-3 hours of application.
- ?The Vigor Effect: Enhances root development, stress tolerance, and greenery (phytotonic effect) for better yields.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Crux |
| Technical Name | Thiamethoxam 25% WG |
| IRAC MoA Code | Group 4A (Neonicotinoid) |
| Chemical Group | Thianicotinyl |
| Formulation | Water Dispersible Granules (WG) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
Crux works on the insect's nervous system, causing an "anti-feedant" effect that stops crop damage almost immediately.
- Systemic Absorption: Upon application (spray or drench), Crux is absorbed by roots or leaves and moves rapidly through the plant's xylem (water tubes).
- Target Locking: When pests suck the plant sap, they ingest Thiamethoxam. It binds permanently to nerve receptors, blocking signals.
- Hyperexcitation & Death: This causes uncontrolled trembling and paralysis. The pest stops feeding instantly and dies within 24-48 hours.
Note: Crux also triggers stress-defense genes in the plant, improving root mass and drought resistance.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Rice (Paddy) | Brown Plant Hopper (BPH), Green Leaf Hopper (GLH), Stem Borer |
| Cotton | Jassids, Aphids, Thrips, Whiteflies |
| Vegetables (Tomato, Okra, Brinjal) | Whiteflies, Aphids, Jassids |
| Tea / Potato | Mosquito Bug (Tea), Aphids (Potato) |
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) | 40 - 80 g | 200 L | 0.2 - 0.4 g | 14 Days |
| Cotton | 40 - 80 g (80g for Whitefly) | 200 L | 0.2 - 0.4 g | 21 Days |
| Vegetables (Tomato/Okra) | 40 - 80 g | 200 L | 0.2 - 0.4 g | 3 - 5 Days |
| Potato (Foliar) | 40 g | 200 L | 0.2 g | 77 Days* |
*Note: For Potato, the long PHI applies specifically to soil drench methods. Always check label for foliar specifics.
How to Apply: Best Practices
- Timing: Apply at the Economic Threshold Level (ETL) or when pest population first appears. Avoid spraying during full bloom to protect bees.
- Mixing: Crux WG granules dissolve easily. Mix the required quantity in a small amount of water first to create a solution, then add to the main tank.
- Coverage: Ensure thorough coverage of the foliage. For sucking pests like aphids, try to target the underside of leaves.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Do not use near fish ponds or water bodies.
Frequently Asked Questions
1. What makes Crux better than liquid (EC) insecticides?
Crux is a WG (Granule) formulation. It has no harmful petroleum solvents, making it safer for the crop (no leaf burning) and the operator. It dissolves cleanly without the smell of traditional ECs.
2. Does Crux control caterpillars or bollworms?
No. Crux is specialized for sucking pests (Hoppers, Aphids, Whitefly). For bollworms or caterpillars, you should use a lepidopteran-specific insecticide like Emamectin or Flubendiamide.
3. Can I mix Crux with other fungicides?
Yes, Thiamethoxam is generally compatible with most common fungicides and fertilizers. However, always perform a physical jar test before mixing large quantities.
4. How long does the effect last?
Due to its systemic nature, Crux provides protection for up to 14-21 days depending on the crop and weather conditions.
5. What is the "Vigor Effect"?
This is a physiological benefit where the chemical boosts the plant's protein production and root growth, helping it withstand drought and heat stress better than untreated plants.
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. Thiamethoxam is toxic to bees; avoid spraying during active foraging hours.
