Active ingredient

Hymexazol

Description

Hymexazol belongs to the isoxazole chemical class and is a highly specialized systemic fungicide. Its primary purpose is to protect agricultural crops from a complex of diseases transmitted through soil and seeds, specifically those caused by oomycetes and fungi from the phycomycetes and basidiomycetes classes.

The mechanism of action of hymexazol is based on the inhibition of nucleic acid and protein synthesis processes within the pathogen cells. The substance actively penetrates the root system of the seedling and moves throughout the plant, providing a long-lasting protective effect and stimulating the growth and development of root hairs, which is crucial during early growth stages.

The product is highly effective against pathogens such as Pythium (pythium root rot), Fusarium (fusarium wilt), and Aphanomyces. It is frequently included in multi-component seed treatment formulations for cereals, sugar beets, rice, vegetable crops, and ornamental plants.

Application specifics require careful calibration of equipment to ensure uniform coverage of seeds. The substance generally exhibits good compatibility with most fungicidal and insecticidal seed treatments; however, it is recommended to conduct a physical-chemical compatibility test before mixing components in a tank mix.

When working with hymexazol, standard safety precautions must be followed: use personal protective equipment for the skin, respiratory system, and eyes. The substance is classified as moderately hazardous, so it is essential to prevent environmental contamination of water bodies and strictly prohibit the feeding of treated seeds to livestock.

Regulatory

Status in the European Union

Approved in the EU

CAS number
10004-44-1
Approved from
01.06.2011
Approval until
31.08.2026
ADI
0.17 mg/kg bw/day
ARfD
0.5 mg/kg bw
AOEL
0.17 mg/kg bw/day
Hazard classification (CLP)
Acute Tox. 4 - H302Aquatic Chronic 3 - H412Eye Dam. 1 - H318

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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