Active ingredient

Dichlorprop-P

Description

Dichlorprop-P is a selective systemic herbicide that belongs to the phenoxycarboxylic acid chemical group. As an optically active isomer (the R-form), it provides enhanced herbicidal efficacy, allowing for lower application rates while maintaining superior control over target weed species compared to conventional formulations.

The mode of action of Dichlorprop-P is based on its ability to mimic natural plant growth hormones known as auxins. Upon absorption, the chemical interferes with the normal growth processes of susceptible plants, leading to uncontrolled cell division, vascular tissue disruption, and eventual senescence and death of the weed.

This herbicide is primarily utilized in cereal crop production to manage a wide array of broad-leaved weeds. It is highly valued for its efficacy against hard-to-control species such as cleavers, field bindweed, and various thistle species, which often pose significant challenges to wheat and barley yields.

Successful application of Dichlorprop-P depends on timing and environmental factors. It is most effective when applied during the active growth phase of the weeds. Application during periods of extreme temperature or drought should be avoided, as plant metabolism slows down, thereby limiting the translocation of the herbicide within the plant.

  • Always use appropriate personal protective equipment (PPE).
  • Check wind speed and direction to prevent spray drift.
  • Follow strictly the label instructions for dosage and timing.
  • Store in a secure place, away from food and water sources.

Safety precautions are essential when handling Dichlorprop-P to protect both the operator and the environment. It is crucial to prevent the drift of the spray solution onto neighboring sensitive crops, as they may be highly susceptible to the auxin-like effects. Proper disposal of containers and equipment cleaning are mandatory to ensure sustainable agricultural practices.

Regulatory

Status in the European Union

Approved in the EU

CAS number
15165-67-0
Approved from
01.06.2007
Approval until
31.10.2026
ADI
0.06 mg/kg bw/day
ARfD
0.5 mg/kg bw
AOEL
0.35 mg/kg bw/day
Hazard classification (CLP)
Acute Tox. 4 - H302Eye Dam. 1 - H318Skin Irrit. 2 - H315Skin Sens. 1 - H317

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.

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