Propyrisulfuron
Description
Propyrisulfuron is a potent active ingredient classified within the sulfonylurea chemical group. It functions as a systemic herbicide, highly valued in modern agronomy for its ability to target specific problematic weeds while maintaining a favorable profile for the primary agricultural crops.
The mechanism of action for Propyrisulfuron involves the inhibition of the acetolactate synthase (ALS) enzyme. By blocking this critical pathway, the herbicide interrupts the biosynthesis of essential amino acids such as valine, leucine, and isoleucine, which effectively halts the cell division process and results in weed control.
It is primarily utilized in paddy rice cultivation, where it demonstrates excellent selectivity for the rice plant. It provides robust control over various broadleaf weeds, sedges, and other problematic species that thrive in aquatic environments, thereby securing the yield potential of the crop.
Application strategies must prioritize timing, targeting young and actively growing weeds to maximize efficacy. Due to its systemic nature, Propyrisulfuron is absorbed through both leaf surfaces and roots, allowing it to translocate throughout the weed's vascular system for comprehensive eradication.
Safety precautions are mandatory when handling and applying this herbicide. Operators must use appropriate personal protective equipment to prevent exposure and ensure that application equipment is calibrated to minimize drift. Proper waste disposal and adherence to local regulations regarding water runoff are essential to minimize environmental impact.
Status in the European Union
Not approved in the EU
- CAS number
- 570415-88-2
- Category (EU)
- HB - Herbicide
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.