Quelex 250
A selective, post-emergence herbicide that is used to control annual broad-leaved weeds in cereal crops, including wheat, barley, rye, oats, and triticale 
Identification
SA L10759 South Africa: Pesticide product registration number assigned by the Directorate of Agricultural Inputs Control of the Department of Agriculture, South Africa. Products containing macro-organisms may be authorised differently.
DGFC 11187 Turkey: Pesticide product registration number registered by the General Directorate of Food and Control (DGFC), Ministry of Agriculture and Forestry (MinAF), Turkey. Products containing macro-organisms may be authorised differently.
USRN 62719-661 USA: Pesticide product registration number assigned by the United States Environmental Protection Agency (USEPA). Products containing macro-organisms may be authorised differently.
ES 00735 Spain: Pesticide products (productos fitosanitarios) are registered by the Ministry of Agriculture, Fisheries and Food (MAPA), Spain. Products containing macro-organisms may be authorised differently.
CzR 6214-0 Czech Republic: Pesticide product registration number assigned by the Central Institute for Supervising and Testing in Agriculture (ÚKZÚZ), under the Ministry of Agriculture. Products containing macro-organisms may be authorised differently.
Keml 5485 Sweden: Pesticide product registration number assigned by the Swedish Chemicals Agency, known in Swedish as Kemikalieinspektionen (KemI). Products containing macro-organisms may be authorised differently.
ARK NP Kazakhstan: Pesticide product registration number assigned by the Ministry of Agriculture of the Republic of Kazakhstan, through its Committee of State Inspection in the Agro-Industrial Complex. Products containing macro-organisms may be authorised differently.
CY 3911 Cyprus: Pesticide product registration number assigned by the Plant Protection Products and Biocides Board, which operates under the Department of Agriculture, Cyprus. Products containing macro-organisms may be authorised differently.
MCCAA NP Malta: Pesticide product registration number assigned by the Malta Competition and Consumer Affairs Authority (MCCAA) — specifically its Regulatory Affairs Directorate. Products containing macro-organisms may be authorised differently.Active substances
Formulation
UFI and Type
Possible coformulants
Product family
None
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Other information
Please cite as:
AERU (2026) Pesticide Formulations Catalogue (PFC): Quelex 250. Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. URL: https://sitem.herts.ac.uk/aeru/pfc/Reports/2836.htm (Last accessed: 23/10/2026)
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