Description
Barrier is a powerful herbicide from the Triazinone group, designed for selective control of weeds. Acting as both a systemic and contact herbicide, it disrupts photosynthesis at Photosystem II and can be applied pre-emergence or post-emergence. It effectively targets a wide range of narrow and broadleaf weeds.
Technical Specifications
- Active Ingredient: Metribuzin 70% WP
Features & Benefits
- Effective Against Resistant Weeds: Targets Phalaris minor, which is resistant to many other herbicides, in addition to various grasses and broadleaf weeds.
- Cost-Effective: Offers broad-spectrum control with a low application rate, making it economical for farmers.
- Crop Safe: No residual impact on subsequent crops.
Usage Guidelines
Mode of Action
- Action Mechanism: This selective systemic herbicide is absorbed mainly through roots and leaves, with movement in the xylem. It effectively inhibits photosynthesis in both grasses and broadleaf weeds.
Application Recommendations
Crop and Weed Control
| Crop | Target Weeds | Dose (g/acre) | Application Timing |
|---|---|---|---|
| Sugarcane | Cynodon, Asphodelus (Wild onion), Chenopodium, Convolvulus, Anagallis, Cichorium (Chicory), Parthenium, Commelina, etc | 400 | After planting but before germination or 25-30 days after planting |
| Wheat | Parthenium, Chenopodium, Melilotus, etc | 100 | 35 days after sowing when weeds are at the 2-3 leaf stage |
| Tomato | Trianthema, Celosia, Wild Amaranthus, Echinochloa, Wild paspalum, etc | 300 | One week before transplanting or 15 days after transplanting |
| Potato | Chenopodium, Trianthema, Parthenium, Carnopus, Melilotus, etc | 300 | 3-4 days after planting (before germination) or before potato plants reach 5 cm height |
Summary
Barrier is an effective herbicide that provides reliable control over resistant weed species while maintaining economic viability for agricultural use. Its flexible application timing and targeted dosage make it a valuable asset in integrated weed management strategies.
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