Machette

Pure product is light yellow oily liquid. b.p. 156℃ /66.66Pa, relative

density 1.06~1.07(25℃ ), decomposition temperature 165℃ , vapor

pressure 0.6×10-3Pa(25℃ ). Soluble in acetone, ethanol, methanol,

benzene and other organic solvents, solubility in water is 2mg/

L. Good light resistance, thermal decomposition start s at 275℃ ,

unstable below pH4.

It is an efficient and low-toxicity pre-bud herbicide, mainly used to control most annual gramineae and some dicotyledonous weeds in dry land crops

Machette is a pre-emergent herbicide containing the active ingredient alachlor, designed to control a wide range of annual grasses and broadleaf weeds. It is primarily used in agricultural settings to protect crops during their critical early growth stages. Machette is valued for its effectiveness in weed suppression and its ability to enhance crop yields by reducing competition for nutrients, water, and light.

Key Features

1. Pre-Emergent Control: Targets weeds before they germinate.

2. Broad-Spectrum Activity: Effective against grasses and some broadleaf weeds.

3. Soil Applied: Works through soil incorporation or surface application.

4. Long-Lasting Effect: Provides extended weed control throughout the growing season.

Applications

Crops Treated

• Corn

• Soybeans

• Cotton

• Peanuts

• Sorghum

Weeds Controlled

• Barnyard grass (Echinochloa crus-galli)

• Foxtails (Setaria spp.)

• Crabgrass (Digitaria spp.)

• Pigweed (Amaranthus spp.)

• Lambsquarters (Chenopodium album)

Mechanism of Action

Machette inhibits the synthesis of long-chain fatty acids in weed seedlings, disrupting cell membrane formation and growth. Applied to the soil, it forms a protective barrier that prevents weed seeds from germinating or developing properly.

Advantages

1. Pre-Emergent Efficacy: Reduces weed pressure early in the growing season.

2. Broad Crop Compatibility: Suitable for a variety of crops.

3. Ease of Application: Can be applied through broadcast or band spraying.

4. Yield Improvement: Minimizes competition from weeds, allowing crops to thrive.

Safety and Environmental Considerations

Handling and Storage

• Use personal protective equipment (PPE), including gloves, masks, and goggles, during handling and application.

• Store in a dry, well-ventilated area, away from food, feed, and water sources.

Environmental Impact

• Soil Mobility: Can leach into groundwater; avoid over-application in sensitive areas.

• Aquatic Toxicity: Avoid runoff into water bodies to protect aquatic life.

• Non-Target Safety: Minimal impact on crops and beneficial organisms when used correctly.

Regulatory Compliance

• Follow local guidelines for application and disposal to ensure safe use.

Limitations

• Resistance Development: Overuse may lead to reduced effectiveness against certain weed species.

• Weather Dependency: Requires adequate soil moisture for activation.

• Limited Post-Emergent Action: Ineffective against established weeds.

Conclusion

Machette is a reliable herbicide for managing weeds in various crops, ensuring a weed-free environment during the critical early growth stages. Its pre-emergent action, broad-spectrum control, and compatibility with multiple crops make it a valuable tool for modern farming. Proper application and adherence to safety guidelines ensure effective weed control while minimizing environmental risks.