Active ingredient

Linuron

Description

Linuron is a potent active ingredient belonging to the urea chemical class, widely utilized as a selective herbicide in modern agriculture. Its primary function is to control a broad spectrum of annual broad-leaved weeds and certain grasses in various crops. By acting selectively, it ensures that weeds are eliminated while the primary crop remains safe and continues to thrive throughout the growing season.

The mode of action for Linuron is rooted in the inhibition of photosynthesis. Upon application, the substance is absorbed by the weeds either through their root system or foliage. Once inside, it blocks the electron transport chain within the Photosystem II of the plant cells. This disruption effectively halts the production of energy, causing the weeds to experience severe chlorosis and, eventually, complete plant mortality.

This herbicide is frequently applied to crops such as potatoes, carrots, soybeans, sunflowers, and onions. It proves highly effective against problematic weed species like pigweed, lamb's quarters, and various knotweeds. Farmers often rely on it for pre-emergence or early post-emergence control, creating a protective barrier in the soil that prevents further weed germination and competition for essential nutrients.

Effective application requires close attention to environmental conditions. For optimal efficacy, the soil should be moist and well-prepared with a fine tilth, which promotes proper absorption by the weed roots. It is essential to achieve a uniform spray application across the field. Farmers should avoid spraying during windy conditions to prevent drift, as this can inadvertently affect non-target vegetation in adjacent areas.

Safety precautions are mandatory when handling Linuron. Operators must wear appropriate personal protective equipment, such as gloves, respirators, and protective clothing, to prevent direct exposure. Additionally, Linuron is known to be toxic to aquatic life, meaning it is strictly prohibited to dispose of equipment rinsate near water bodies or drainage systems. Proper cleanup of application machinery is required to prevent contamination issues during future field operations.

Regulatory

Status in the European Union

Not approved in the EU

CAS number
330-55-2
Category (EU)
HB - Herbicide
Approved from
01.01.2004
Approval until
03.03.2017
ADI
0.003 mg/kg bw/day
AOEL
0.0063 mg/kg bw/day
Hazard classification (CLP)
Acute Tox. 4 - H302Aquatic Acute 1 - H400Aquatic Chronic 1 - H410Carc. 2 - H351Repr. 1B - H360DfSTOT RE 2 - H373

Regulatory status data: EU Pesticides Database © European Union, CC BY 4.0. EU status is for reference only and does not replace national registration in your country.

Marketplace

Products · 0