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Notch 200SL, produced by Sinochem Australia, is a selective, pre-emergent herbicide formulated as a suspension concentrate (SL). It contains pendimethalin, which offers effective control of various annual and perennial grass weeds in a wide range of agricultural settings. However, its use may be restricted or prohibited in some regions due to environmental concerns.

How does Notch 200SL work?

This dinitroaniline herbicide disrupts plant cell division and growth processes within susceptible weed seeds, preventing them from germinating and establishing themselves. It primarily acts by inhibiting root development and seedling emergence, creating a barrier to weed emergence for an extended period. Notch 200SL remains active in the soil for several weeks, depending on soil type and environmental conditions.

What grass weeds does Notch 200SL control?

It effectively controls a wide range of annual and perennial grass weeds in various crops, including:

• Annual grasses: Barnyard grass, crabgrass, foxtail, goosegrass, johnsongrass (suppression), ryegrass, windmill grass, and others.

• Perennial grasses: Bermudagrass (suppression), couch grass (suppression), and other grass species depending on application timing and rates.

Important note: Notch 200SL does not control established weeds, sedges, or broadleaf weeds. Additionally, certain weed species may show varying levels of susceptibility, and control of perennial weeds may require specific application timings and techniques. Always refer to the product label for a complete list of controlled weeds and specific recommendations for your target species and crop.

How to apply Notch 200SL?

Application methods and rates vary depending on the target weeds, crop being treated, soil type, and climatic conditions. Always refer to the product label for specific instructions and ensure adherence to local regulations. Here's a general overview:

• Mixing: Follow the manufacturer's instructions for proper mixing with water to create a suspension.

• Application: Apply as a pre-emergent soil treatment, typically before planting or before weeds emerge. Incorporate the herbicide into the soil according to label instructions to ensure proper activation.

• Timing: Apply at the recommended timing for your target weeds and crop as per the label. Early pre-emergent application is generally more effective.

Safety precautions and environmental considerations:

• Notch 200SL can be harmful if inhaled, swallowed, or absorbed through the skin.

• Wear appropriate PPE, including gloves, eye protection, long sleeves, and a respirator during mixing, application, and clean-up.

• Do not apply near water bodies or during windy conditions.

• Follow label instructions regarding pre-harvest intervals (PHIs) to avoid residues in harvested crops.

• Wash hands thoroughly after handling the product.

• Store the product in a cool, dry place away from children and pets.

• Environmental impact: Minimize soil erosion and spray drift to prevent herbicide runoff and contamination of water bodies.

Benefits of using Notch 200SL:

• Selective control: Targets grass weeds while minimizing harm to established crops.

• Pre-emergent action: Prevents weed germination for long-lasting control.

• Broad-spectrum control: Manages a wide range of annual and perennial grass weeds.

• Relatively affordable: Offers a cost-effective solution for pre-emergent weed control.

Important considerations:

• Herbicide resistance can develop with overuse. Rotate with herbicides with different modes of action to prevent resistance.

• Notch 200SL can be persistent in soil and may have potential environmental concerns. Consider integrated weed management practices alongside herbicides for sustainable weed control.

• Misapplication can damage crops. Ensure accurate application techniques and adherence to label recommendations.

• Restricted use in some regions: Check local regulations before using as it may be prohibited in your area.

Overall, Notch 200SL can be a valuable tool for pre-emergent grass weed control in various agricultural settings. However, responsible use, strict adherence to label instructions and regulations, and understanding its limitations and potential environmental impact are crucial for effective weed management, environmental protection, and personal safety.

Disclaimer: This information is for educational purposes only and does not constitute professional advice. Always consult with a qualified agricultural professional or refer to the product label for specific recommendations and usage guidelines for your situation, considering the legal status and restrictions in your area. Remember, prioritizing sustainable and environmentally friendly practices is essential for responsible weed management.