Pesticide Formulations Catalogue

Maister WG

Maister WG is a post-emergence selective herbicide used to control difficult grass weeds including couch, barnyard grass and blackgrass, particularly in maize crops, 

Herbicide foramsulfuron iodosulfuron-methyl-sodium isoxadifen-ethyl

Identification

Associated companies 
Bayer CropScience
Registration codes 
 BVL 00B586-00 Germany: Pesticide product registration number assigned by the Federal Office of Consumer Protection and Food Safety (BVL), Germany. Products containing macro-organisms may be authorised differently.

 NL 12544N Netherlands: Pesticide products are approved and registered by the Board for the Authorisation of Plant Protection Products and Biocides (known in Dutch as the Ctgb, College voor de toelating van gewasbeschermingsmiddelen en biociden). Products containing macro-organisms may be authorised differently.

 DK 18-442 Denmark: Pesticide product registration number assigned by the Danish EPA (Miljøstyrelsen). Products containing macro-organisms may be authorised differently.

 UKSUP 03-11-0605 Slovakia: Pesticide Product registration number assigned by ÚKSÚP (–Ústredný kontrolný a skúšobný ústav poľnohospodársky) Central Controlling and Testing Institute in Agriculture under the Ministry of Agriculture and Rural Development of the Slovak Republic. Products containing macro-organisms may be authorised differently.
Pesticide type 
Herbicide
Pesticide group 
HRAC 2

Active substances 

foramsulfuron 300 g kg⁻¹
isoxadifen-ethyl 300 g kg⁻¹

Formulation

UFI and Type

Unique Formula Identifier (UFI) 
5RP0-70DG-4007-68GQ
Type 
Water dispersible granules

Possible coformulants 

calcium carbonate
polyoxyethylene tristyrylphenyl ether sulphate ammonium salt
sodium C14-16 olefin sulfonate

Product family 

None

Related products 

-

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Always read and follow the instructions on the pesticide label.

Other information


Please cite as:

AERU (2026) Pesticide Formulations Catalogue (PFC): Maister WG. Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. URL: https://sitem.herts.ac.uk/aeru/pfc/Reports/2265.htm (Last accessed: 18/09/2026)


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