Green Expert Bispyribac Sodium 9.5% + Penoxsulam 7.8% W/V Sc
Green Expert (Bispyribac Sodium 9.5% + Penoxsulam 7.8% W/V SC) from Insecticides India Ltd is a post-emergence herbicide that provides effective weed control in rice fields, ensuring clean crops and better yield.
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Green Expert Herbicide (Bispyribac Sodium 9.5% + Penoxsulam 7.8% SC)
The "Maharatna" Dual-Action Solution for Total Weed Control in Rice
Green Expert is a premium, broad-spectrum herbicide developed by Insecticides (India) Ltd to solve the toughest weed problems in Paddy fields. By combining two powerful active ingredients—Bispyribac Sodium and Penoxsulam—into one liquid suspension concentrate, it eliminates the need for manual weeding.
Why it matters: Traditional manual weeding is expensive and labor-intensive. Green Expert offers a "one-shot" solution that clears grasses, sedges, and broadleaf weeds simultaneously, ensuring your crop gets all the nutrients it deserves.
Why Choose This Product? Key Benefits
- ⏱️Dual Action Power: Combines two chemistries to kill weeds faster and more effectively than single-molecule sprays.
- ?️Broad Spectrum Control: Targets the "Big Three": Grasses (like Barnyard grass), Sedges, and Broadleaf weeds in one go.
- ⏳Extended Protection: Provides residual activity that suppresses new weed seeds from germinating for weeks after spraying.
- ?️Superior Formulation: The Suspension Concentrate (SC) liquid sticks to waxy leaves better and is rainfast, ensuring less wastage.
- ?Safe for Paddy: Highly selective to Rice crops (metabolically detoxified by the plant), causing no harm to your yield.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Green Expert |
| Technical Name | Bispyribac Sodium 9.5% + Penoxsulam 7.8% w/v SC |
| IRAC MoA Code | Group 2 (ALS Inhibitors) |
| Chemical Group | Pyrimidinyl carboxy & Triazolopyrimidine |
| Formulation | Suspension Concentrate (Liquid SC) |
| Toxicity Label | Low Acute Toxicity (Check Label) |
How It Works: Mode of Action
Green Expert works by disrupting the internal "food factory" of the weed. It uses a mechanism called Dual ALS Inhibition.
- Absorption: The liquid is absorbed quickly through the leaves and roots of the weed.
- Translocation: It travels through the plant system to the growing points (tips and roots).
- Termination: It blocks the production of essential amino acids. The weed stops growing immediately, turns yellow/brown within days, and dies completely within 2–3 weeks.
Because it attacks the weed from two different chemical angles, it is effective even against tough weeds that might survive a standard single-chemical spray.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Rice (Transplanted) | Barnyard Grass, Jungle Rice, Rice Flat Sedge, Umbrella Sedge, False Daisy, Ludwigia. |
| Direct Seeded Rice (DSR) | Complex weed flora including tough Grasses and Broadleaf weeds. |
| Rice Nursery | General annual weeds. |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Do not cut corners on water volume.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Rice (Paddy) | 100 ml | 150 Litres | ~0.7 ml | 30 Days |
| Direct Seeded Rice | 100 ml | 150 Litres | ~0.7 ml | 30 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Apply when weeds are in the 2–5 leaf stage. This is typically 10–20 Days After Transplanting (DAT) or 15–25 Days After Sowing for DSR.
- Mixing: Do NOT mix with Organophosphate insecticides (like Malathion or Chlorpyrifos) as this can damage the rice crop. Wait 7-10 days between spraying Green Expert and these insecticides.
- Coverage: Drain the field water before spraying to expose the weeds. Spray uniformly using a Flat Fan or Flood Jet nozzle. Reflood the field after 48–72 hours to suppress new weeds.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. What is the price of Green Expert Herbicide?
While the MRP is around ₹975 for 100ml, the market operating price for farmers typically ranges between ₹655 to ₹670 per acre, making it a cost-effective alternative to manual labor.
2. Can I use Green Expert in Direct Seeded Rice (DSR)?
Yes, it is highly effective in DSR where weed competition is high. Apply it around 15–25 days after sowing when weeds have 2-5 leaves.
3. How long does it take for weeds to die?
Weed growth stops almost immediately. You will see yellowing within 3–5 days, and complete death occurs within 14–21 days.
4. Can I mix Green Expert with other pesticides?
It is generally compatible with insecticides like Fipronil. However, strictly avoid mixing with Organophosphates (like Malathion) to prevent crop burn.
5. Does it control aquatic weeds like Ludwigia?
Yes, the Penoxsulam component in Green Expert is specifically effective against difficult aquatic broadleaf weeds like Ludwigia and various sedges.
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. Avoid runoff into aquaculture ponds.
### **Next Step:** Would you like me to create a **"Weed Identification Guide"** for Rice farmers to help them visually confirm if Green Expert is the right choice for their specific field infestation?
