Light brown liquid. b.p.>200℃, m.p.>0℃, vapor pressure 133.3Pa, relative density 1.11 (30℃). solubility in water at 25℃ is 223mg/L, non-volatile, light stable.
Pre-emergent herbicide, can prevent annual grass weeds and some annual broadleaf weeds, suitable for corn, cotton, peanut and soybean field weed control
Acetochlor is a selective pre-emergent herbicide widely used in agricultural practices to control annual grasses and broadleaf weeds. It belongs to the chloroacetamide chemical family and is particularly effective in crops like corn, soybeans, and peanuts. Acetochlor is applied to the soil surface or incorporated into the soil before weed seeds germinate.
Key Features
Selective Action: Targets specific weeds without harming crops.
Pre-Emergent Control: Prevents weed growth by inhibiting cell division and elongation in germinating seeds.
Broad Spectrum: Effective against a wide range of annual grasses and small-seeded broadleaf weeds.
Long Residual Effect: Provides extended weed control, reducing the need for additional applications.
Applications
Agriculture
Corn and Soybean Cultivation: Widely used for weed management in these staple crops.
Peanuts: Helps maintain weed-free fields for optimal growth.
Other Crops: Can be applied to sorghum, cotton, and certain vegetable crops with proper guidance.
Weed Types Controlled
Grasses: Foxtail, barnyard grass, crabgrass, and goosegrass.
Broadleaf Weeds: Pigweed, lambsquarters, and velvetleaf.
Mechanism of Action
Acetochlor disrupts the synthesis of proteins and enzymes necessary for weed seed germination and growth. By inhibiting cell division, it effectively prevents the emergence of weeds. This action occurs in the early stages of weed development, making pre-emergent application critical for success.
Advantages
Cost-Effective: Reduces labor and costs associated with manual or mechanical weeding.
Reduced Crop Competition: Ensures that crops have access to nutrients, sunlight, and water without competition from weeds.
Ease of Application: Compatible with most soil types and agricultural practices.
Safety and Environmental Considerations
Handling and Storage
Use personal protective equipment (PPE) such as gloves, goggles, and masks during handling.
Store in a cool, dry place away from food, feed, and water sources.
Environmental Impact
Regulatory Compliance
Limitations
Conclusion
Acetochlor is a powerful and efficient herbicide that plays a crucial role in modern agriculture. Its ability to control a broad spectrum of weeds ensures healthier crop growth and higher yields. Proper application techniques and adherence to safety measures are essential for maximizing its benefits while minimizing environmental risks.
