Quinmerac
Description
Quinmerac is a potent active ingredient belonging to the quinolinecarboxylic acid chemical class. It is widely recognized in professional plant protection as a systemic, selective herbicide. Its primary role in modern agriculture is to manage and eliminate various broad-leaved weeds in essential agricultural crops, ensuring healthy plant growth and higher yields.
The mechanism of action of Quinmerac is classified as an auxin mimic. Once absorbed by the target weed, it interferes with the plant's hormonal signaling, mimicking the effect of natural auxins in an uncontrolled way. This disruption causes accelerated, irregular growth and metabolic collapse, leading to the rapid yellowing, twisting, and final eradication of the weed species.
Quinmerac is most commonly deployed in fields of oilseed rape, sugar beets, and certain cereals. It is particularly valued for its specific efficacy against difficult-to-control weeds like cleavers (Galium aparine). By integrating this substance into a weed control strategy, farmers can effectively reduce weed competition during the critical early growth stages of their crops.
Key application features include both foliar and soil uptake capabilities. This dual action provides excellent flexibility, allowing the herbicide to control existing weeds while simultaneously providing residual activity against emerging seedlings. For the best results, it is recommended to apply the product when weeds are in the cotyledon to four-leaf stage under favorable growing conditions.
Safety is paramount when using herbicides of this class. Operators should always wear appropriate personal protective equipment (PPE), including gloves, goggles, and respiratory masks, to prevent exposure. Furthermore, users must be diligent in preventing spray drift to neighboring sensitive vegetation and ensure all local environmental regulations regarding chemical usage and groundwater protection are followed.
Status in the European Union
Approved in the EU
- CAS number
- 90717-03-6
- Category (EU)
- HB - Herbicide
- Approved from
- 01.05.2011
- Approval until
- 31.12.2026
- ADI
- 0.08 mg/kg bw/day
- ARfD
- 0.3 mg/kg bw
- AOEL
- 0.08 mg/kg bw/day
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.