Metolachlor

Type: Herbicide

Mode of Action: 

• Group 15: Very long-chain fatty acid (VLCFA) synthesis inhibitors

Common Product Names: Dual II Magnum & Me-Too-Lachlor II

What is it?

Metolachlor is a selective herbicide used predominantly for controlling annual grasses and broadleaf weeds in various crops such as corn, soybeans, and sorghum. Metolachlor showcases its results typically within a few days of application, as it targets the weed seedlings during their critical growth stages. Its primary use is as a pre-emergent herbicide, ensuring that weeds do not become established and compete with crops for nutrients and water. As a member of the chloroacetanilide chemical family, Metolachlor is known for its effectiveness and relatively low toxicity to non-target organisms when used as directed.

How does it work?

Upon application, Thifensulfuron-methyl is taken up by the weed's leaves and roots. It then translocates to the growing points of the plant, where it inhibits the ALS enzyme. This inhibition prevents the plant from synthesizing essential amino acids needed for growth and protein synthesis. As a result, the targeted weeds stop growing and eventually die, typically within a few weeks of application.

Benefits

• Pre-emergent Herbicide: Effective when applied before weeds emerge, preventing their growth from the outset.
• Residual Control: Provides long-lasting weed control, reducing the need for multiple applications throughout the growing season.
• Broad Spectrum: Effective against a wide range of annual grasses and broadleaf weeds.