Asulam sodium
Description
Asulam sodium is a selective systemic herbicide belonging to the carbamate chemical class. It is primarily utilized in agricultural systems for the post-emergence control of a wide range of grass weeds and certain broad-leaved species, proving effective against perennial weeds that are otherwise difficult to eradicate.
The mechanism of action for asulam involves the inhibition of cell division within the meristematic tissues of target plants. By blocking the biosynthesis of dihydropteroate synthase, the compound disrupts the synthesis of folic acid. This fundamental interference with the plant's metabolic pathways leads to growth arrest and subsequent plant death.
This active ingredient is commonly applied in crops such as sugar beets, spinach, flax, and specific pasture grasses. It is particularly valued for its ability to target aggressive species like couch grass, helping to ensure that the primary crop maintains optimal growth conditions by reducing competition for vital resources.
Application techniques require targeting the weeds during their active growth phase to ensure systemic uptake and translocation throughout the plant vascular system. Weather conditions should be managed to ensure adequate soil moisture, as extreme heat or drought may decrease the translocation efficiency of the herbicide.
- Use appropriate personal protective equipment during handling.
- Adhere strictly to labeled dosage rates to avoid crop phytotoxicity.
- Prevent spray drift onto non-target sensitive vegetation.
- Store in a secure, cool, and well-ventilated storage facility.
Safety precautions for handling asulam sodium must focus on preventing human exposure and environmental contamination. Operators should follow all regulatory protocols for disposal and equipment cleaning, ensuring that no residues remain in the sprayer tanks, which could potentially cause damage to sensitive crops during subsequent applications.
Status in the European Union
Not approved in the EU
- CAS number
- 2302-17-2
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.