Crystal Gramoxone Herbicide
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Crystal Gramoxone Herbicide (Paraquat Dichloride 24% SL)
The legendary, fast-acting contact herbicide for total weed control in Field Crops and Plantations.
Crystal Gramoxone is a powerful, non-selective contact herbicide containing Paraquat Dichloride 24% SL. Famous for its speed, it acts as a "chemical scorch," destroying weeds within hours of application. Unlike systemic weed killers, it becomes biologically inactive upon touching the soil, making it the perfect choice for inter-row weeding and "Chemical Ploughing" (zero-tillage) without harming your next crop.
Why Choose This Product? Key Benefits
- ⏱️Visible Results in Hours: Starts working immediately in sunlight. You will see weeds drying out within a few hours, with complete control in 24-48 hours.
- ?️Safe for Next Crop (Soil Inactive): The chemical binds rapidly to soil particles and becomes inactive. You can sow seeds or transplant crops immediately after spraying.
- ⏳Rainfast in 30 Minutes: Ideal for monsoon usage. It remains effective even if it rains just 15-30 minutes after application.
- ?️Controls Tough Weeds: Effective against resistant grasses and broadleaf weeds that other herbicides fail to kill.
- ?Safe for Tree Bark: Being a contact herbicide, it does not damage brown bark, making it safe for cleaning weeds in Tea, Coffee, and Fruit orchards.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Gramoxone |
| Technical Name | Paraquat Dichloride 24% SL |
| IRAC MoA Code | Group 22 (Photosystem I Inhibitor) |
| Chemical Group | Bipyridylium |
| Formulation | Soluble Liquid (SL) |
| Toxicity Label | Highly Toxic (Handle with Extreme Care) |
How It Works: Mode of Action
Gramoxone acts as a photosynthesis inhibitor. It requires sunlight to work effectively.
- Absorption: The liquid is absorbed by green plant foliage upon contact.
- Interception: It intercepts electrons during the plant's photosynthesis process.
- Cell Destruction: This reaction creates "free radicals" that rupture the plant cell membranes, causing rapid drying (necrosis) and death of the green tissue.
Note: It does not move to the roots, so it kills annual weeds completely but may only burn the tops of perennial weeds.
Target Crops & Pests
| Crop | Target Pest(s) / Usage |
|---|---|
| Tea & Coffee | Inter-row weed control (Grasses & Broadleaf weeds) |
| Rice (Paddy) & Wheat | Pre-plant burn-down (Zero Tillage), Grassy weeds |
| Cotton & Maize | Inter-row directed spray for stubborn weeds |
| Potato | Haulm destruction (drying vines before harvest) |
| Non-Crop Areas | Aquatic weeds, Parthenium, Industrial sites |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Use only clean water (muddy water deactivates the product).
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Tea & Coffee | 1000 - 1200 ml | 200 L | 5 - 6 ml | -- |
| Cotton, Maize | 800 - 1000 ml | 200 L | 4 - 5 ml | -- |
| Rice, Wheat (Pre-plant) | 1200 - 1500 ml | 200 L | 6 - 7.5 ml | -- |
| Potato (Haulm) | Varies by canopy | 200 L | 5 ml | Check Label |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Refer to product label for specific crop PHI.
How to Apply: Best Practices
- Timing: Apply during sunny hours. Sunlight accelerates the herbicidal action.
- Mixing: Use only clean water. Muddy or turbid water deactivates Paraquat instantly.
- Coverage: Use a Flat Fan or Flood Jet nozzle. Ensure full coverage of the weed foliage. Use a hood to prevent drift onto your main crop.
- Safety:CRITICAL: Always wear full PPE (gloves, mask, goggles, boots). Do not inhale spray mist. Wash hands and body thoroughly after use.
Frequently Asked Questions
1. Does Gramoxone kill the roots of the weeds?
No. Gramoxone is a contact herbicide. It burns the green parts it touches but does not translocate to the roots. Perennial weeds may regrow.
2. How soon can I plant seeds after spraying?
Immediately. Since Paraquat becomes inactive upon contact with soil, there is no waiting period for sowing or transplanting.
3. What happens if it rains after I spray?
Gramoxone is rainfast within 15-30 minutes. If it rains after this short window, the efficacy remains high.
4. Can I use it on Maize or Cotton crops?
Yes, but only as a "directed spray" between rows. You must use a protective hood to ensure the chemical does not touch the leaves of your crop, or it will burn them.
5. Is this product safe for humans?
Paraquat is highly toxic if ingested or inhaled. It must be handled with extreme caution, stored away from children/food, and used only with protective gear. Never transfer it to food/drink bottles.
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. Restricted Use: This product may be restricted in certain states (e.g., Odisha, Kerala). Please check local regulations before purchase.
