Altair - Metazosulfuron 33% WG - Insecticides (India) Ltd
Altair Herbicide by Insecticides (India) Limited
Metazosulfuron 33% WG for the specific crop and weed scope below. Match the supplied label before selecting an application programme.
Composition: Metazosulfuron 33% WG.
Crop fit: Transplanted rice.
Use check: Match crop establishment, weeds and the complete pack directions.
Why Choose This Product? Key Benefits
- 🌾Crop-specific selection: The listed crop scope is not an all-crops recommendation.
- 🌱Weed-led choice: Check the named weeds instead of assuming universal control.
- 🧴Defined formulation: WG: water-dispersible granules distinguishes this product from other strengths.
- 🔬Explained action: Metazosulfuron is an ALS-inhibiting herbicide.
- 🔄Resistance planning: HRAC 2 identifies the mode of action for planning with qualified advice.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Altair — Insecticides (India) Limited |
| Technical Name | Metazosulfuron 33% WG |
| HRAC MoA Code | 2 |
| Chemical Group | Sulfonylurea |
| Formulation | WG: water-dispersible granules |
| Safety Label | Follow the warning panel and precautions on the supplied pack. |
How It Works: Mode of Action
Metazosulfuron is an ALS-inhibiting herbicide.
- ALS is inhibited: The active ingredient interferes with acetolactate synthase.
- Amino-acid production is affected: This blocks production of branched-chain amino acids needed for plant growth.
- The label still determines use: Correct crop, weed stage and placement remain essential.
A different brand is not necessarily a different mode of action. Follow resistance advice and the label; no formulation is claimed to eliminate resistance.
Target Crops & Weeds
Current manufacturer crop scope is retained below. Named weed pairings use the September 2025 Indian formulation reference unless stated otherwise; confirm that they match the supplied Altair label.
| Crop / use | Target weeds |
|---|---|
| Transplanted rice |
|
The manufacturer’s Altair microsite also mentions Cyperus difformis, Marsilea quadrifolia and Monochoria vaginalis from trials. These are not in the checked September 2025 formulation row: confirm their inclusion on the current pack before treating them. Do not extend the crop scope to direct-seeded rice.
Dosage & Application Guide
Manufacturer rates and historical formulation-reference checks are distinguished below. These public details do not replace the complete current pack directions.
Crop-specific Rate & Application Checks
| Crop / use | Product amount | Dilution water* | Programme check | PHI (days) |
|---|---|---|---|---|
| Transplanted rice | 160 g / acre | 500 L* | Confirm method | 99* |
IIL’s technical product section explicitly states 160 g/acre for transplanted rice. Separately, the September 2025 formulation reference gives dilution water as 500 L and PHI as 99 days. The water column does not state an area basis: 500 L/ha or an acre spray recipe is not established by that entry. Its bare product entry 400 is not assigned a unit or converted.
The IIL Altair microsite describes broadcasting with 20 kg sand/acre and also spray use. However, its stock-solution basis, spray-water denominator, timing and field-water directions are incomplete or inconsistent with other public material. These details are not a complete recipe: obtain the supplied label’s exact method and water-management instructions. No direct-seeded-rice programme is established here.
Confirm application method, crop and weed stage, field conditions, equipment, permitted mixtures, repeat limits, re-entry and rotational-crop restrictions on the current pack. No per-tank recipe is inferred.
How to Apply: Best Practices
- Identify the field situation: Match the crop, establishment method and weeds to the supplied label.
- Use the complete programme: Verify rate, water, placement, timing and field conditions before treatment. Do not guess a missing detail.
- Protect adjacent vegetation: Prevent drift or runoff onto non-target plants and water bodies. Follow the pack’s equipment and buffer precautions.
- Plan the next crop: Follow harvest, grazing and rotational-crop restrictions. Do not assume a safe plant-back interval from a different product.
Frequently Asked Questions
What does Altair contain?Metazosulfuron 33% WG.
Which crops are covered?Transplanted rice. Confirm the exact crop-establishment situation and weeds on the pack.
Are all figures current brand-label directions?No. Historical formulation references are clearly qualified, and unresolved recommendations are withheld. The supplied label governs use.
Can it be mixed with another herbicide or fertilizer?Only when the current labels permit that specific mixture. A general compatibility claim is not a mixing instruction.
Can I repeat treatment or plant another crop immediately?Follow the current pack’s repeat limits and rotational-crop restrictions. No universal interval is assumed.
Safety & Disclaimer
Before you use it, read the supplied label and leaflet. Use only on the stated crop and weeds, at the permitted rate, route and stage. Follow harvest, re-entry and current local restrictions.
Wear the label-specified protective clothing and equipment. Avoid exposure to spray, dust, skin and eyes. Do not eat, drink or smoke during handling. Wash after work.
Keep in the original closed container away from children, animals, food and feed. Avoid contaminating water or non-target vegetation. Never reuse empty containers. If exposure or illness occurs, seek medical help and show the label.