Devsena
HPM Devsena is a reliable fungicide offering excellent control against multiple fungal infections. It promotes healthier crops and enhances productivity with preventive and curative action.
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Devsena Insecticide (Thiamethoxam 75% SG) | HPM Chemicals
The Ultimate Systemic Defense Against Sucking Pests and Termites.
Devsena (by HPM Chemicals) is a high-potency, broad-spectrum insecticide designed for modern agriculture. Powered by Thiamethoxam 75% SG, it provides dual-action protection by eliminating pests both on the surface and within the soil.
Unlike older sprays, Devsena is absorbed by the plant's roots and leaves, traveling through the system to protect every part of the crop from the inside out. It is the go-to solution for farmers fighting hidden enemies like termites in Sugarcane and hopper complexes in Rice.
Why Choose This Product? Key Benefits
- ⏱️Rapid "Stop-Feed" Action: Pests stop damaging your crop within minutes of contact or ingestion, preventing virus transmission immediately.
- ?️Complete Systemic Protection: Absorbed by roots and foliage to create a toxic barrier against Stem Borers and sucking pests hidden inside the plant.
- ⏳Long-Lasting Residue: Offers extended protection, with a persistence of up to 230 days in soil applications for Sugarcane.
- ?️Advanced SG Formulation: The Soluble Granules (SG) dissolve instantly in water without dust, ensuring uniform coverage and easy mixing.
- ?The "Thiamethoxam Vigor Effect": Stimulates plant defense genes to improve root mass, stress tolerance, and foliage greenness (chlorophyll), leading to higher yields.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Devsena (HPM Chemicals) |
| Technical Name | Thiamethoxam 75% SG |
| IRAC MoA Code | Group 4A (Nicotinic Acetylcholine Receptor Agonist) |
| Chemical Group | Neonicotinoid |
| Formulation | Soluble Granules (SG) |
| Toxicity Label | Blue/Yellow (Toxic - Depending on Pack Size) |
How It Works: Mode of Action
Devsena targets the insect's nervous system with precision. It acts as a stomach and contact poison with systemic properties.
- Absorption: Upon application (soil drench or sand mix), the active ingredient is rapidly absorbed by the roots and moves upward through the plant's xylem.
- Binding: When a pest sucks sap or eats the plant, Thiamethoxam binds irreversibly to their nerve receptors.
- Elimination: This causes hyperexcitation and paralysis. The insect stops feeding instantly and dies shortly after, protecting the crop from viral diseases like Leaf Curl or Tungro.
Note: This systemic movement ensures that new growth (shoots and leaves) produced after application is also protected.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Sugarcane | Termites, Early Shoot Borer |
| Rice (Paddy) | Brown Plant Hopper (BPH), Green Leaf Hopper (GLH), Stem Borer |
| Cotton & Groundnut | Jassids, Thrips, Aphids, Termites (Groundnut) |
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 (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Sugarcane | 64g (Granules) | 200 - 400 L | ~0.2g / L | 230 Days |
| Rice (Paddy) | 60g (Granules) | N/A (Use Sand) | N/A | As per harvest |
| Groundnut / Cotton | 50g (Granules) | 200 - 400 L | ~0.2g / L | 57 (GN) / 109 (Cotton) |
*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 early vegetative stage or when pest incidence is first noticed (e.g., Economic Threshold Level). For sugarcane, apply during planting or early shoot formation.
- Rice "Sand-Mix" Method: Dissolve 60g of Devsena in 500ml of water. Mix this solution thoroughly with 8kg of sand. Broadcast this medicated sand into the standing water of the paddy field for effective BPH control.
- Soil Drenching: For Sugarcane and Groundnut, drench the soil near the root zone (Rhizosphere) to create a protective toxic barrier against termites.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Do not apply during active flowering to protect honeybees.
Frequently Asked Questions
1. How quickly does Devsena work?
Devsena has a "quick knockdown" effect. While the pest may not fall off immediately, the "antifeedant" property stops them from feeding within minutes, saving your crop from further damage and viruses.
2. What is the "Vigor Effect"?
Aside from killing pests, Thiamethoxam stimulates the plant to produce more functional proteins. This results in greener leaves, better roots, and higher drought tolerance, leading to better yields.
3. Can I use Devsena on vegetables?
While labeled primarily for field crops, farmers often use it (with products like Batista) for Potato and vegetables. Always check the label for specific vegetable PHI and dosage.
4. Does Devsena control caterpillars?
It is primarily for sucking pests (Hoppers, Aphids) and Termites. However, its systemic nature can help control young larvae of stem borers. For large caterpillars (like Armyworm), a different chemistry might be needed.
5. Is this the same as the "Devsena 88" seed?
No. Devsena (HPM) is an insecticide. "Devsena 88" usually refers to a hybrid Chilli seed variety. Please ensure you are purchasing the correct product for your needs.
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; do not drain treated paddy water into fish ponds immediately.
