Corteva Pexalon™ Insecticide (Triflumezopyrim 10% SC)
The Ultimate Protection Against Brown Planthopper (BPH) in Rice
Pexalon™ Insecticide is a revolutionary solution from Corteva Agriscience, designed specifically to stop the "Hopper Burn" menace in paddy fields. Powered by the patented Pyraxalt™ active, it offers a unique mode of action that works where older chemicals fail.
Unlike traditional insecticides that simply excite the pest's nervous system, Pexalon immediately silences it. This ensures that damaging pests like the Brown Planthopper (BPH) and White-backed Planthopper (WBPH) stop feeding instantly, protecting your yield and preventing the spread of viral diseases.
Why Choose This Product? Key Benefits
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Instant Feeding Cessation: Paralyzes the hopper's feeding tube immediately. The pest stops damaging your crop the moment it comes in contact with the spray.
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21 Days of Protection: A single spray provides up to 3 weeks of residual control, bridging the gap between the vegetative and reproductive crop stages.
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Effective Against Resistant Pests: Works on hoppers that have developed resistance to Imidacloprid, Pymetrozine, and other older chemicals.
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Excellent Rainfastness: Absorbs into the plant quickly. It remains effective even if it rains 1 to 2 hours after application.
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Safety for Beneficial Insects: Harmless to spiders and natural predators like Mirid bugs, supporting a healthy ecosystem in your field.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Pexalon™ |
| Technical Name | Triflumezopyrim 10% SC |
| IRAC MoA Code | Group 4E (Mesoionic) |
| Chemical Group | Mesoionic / Pyridylidenes |
| Formulation | Suspension Concentrate (SC) |
| Toxicity Label | Blue/Green Triangle (Moderately to Slightly Toxic) |
How It Works: Mode of Action
Pexalon works through Mesoionic Chemistry, a first-of-its-kind technology in agriculture.
[Image of Triflumezopyrim mode of action diagram]
- Desensitization: Instead of over-exciting the insect's nerves (like older poisons), Pexalon locks the nerve channels closed.
- Paralysis: This "silencing" of the nerves causes immediate paralysis of the insect's legs and feeding tube.
- Death: Unable to feed or move, the pest dies quickly, preventing hopper burn and stopping the transmission of viruses like RGSV.
Because it attacks a different site in the nervous system, it kills pests that survive other sprays.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Paddy (Rice) | Brown Planthopper (BPH) |
| Paddy (Rice) | White-backed Planthopper (WBPH) |
| Paddy (Rice) | Green Leafhopper (GLH) |
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) |
|---|---|---|---|---|
| Rice | 94 ml | 150 - 200 Litres | ~ 0.5 ml | 25 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
[Image of rice plant growth stages for pesticide application]
- Timing: Apply between 45 to 60 Days After Transplanting (DAT). This corresponds to the Early Tillering to Panicle Initiation stage. Apply when you see 5-10 hoppers per hill.
- Mixing: Use sufficient water (150-200 L/acre). Hoppers live at the base of the stem; low water volume will not reach them.
- Coverage: Direct the spray nozzle toward the base (crown) of the plant where the pests hide.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Can I use Pexalon twice in the same season?
No. To prevent resistance, Corteva recommends using Pexalon only once per crop season. If a second spray is needed later, switch to a different chemical class like Pymetrozine.
2. How quickly does it work?
Pexalon stops the hopper from feeding almost immediately upon contact. While the insect may stay on the plant for a short time, it is paralyzed and cannot damage the crop.
3. Is Pexalon safe for fish and aquatic life?
Like most chemical insecticides, it is toxic to aquatic organisms. Do not drain treated field water into fish ponds or natural waterways immediately after spraying.
4. Can I mix Pexalon with other fungicides or insecticides?
Pexalon is generally compatible, but given its specific placement requirement (base of the plant) and high cost, it is best applied alone or with compatible partners as per local agronomist advice to ensure maximum efficacy.
5. How do I know if my Pexalon bottle is genuine?
Corteva bottles feature a "Farmer Connect" QR code and Hologram on the cap. Scan this using your phone to verify the product's authenticity.
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.
