Pesticide Formulations Catalogue

Primus Perfect

Primus Perfect is a professional, selective post-emergence herbicide that is primarily designed to control a wide range of broad-leaved weeds in agricultural crops, particularly cereals. 

Herbicide florasulam clopyralid-olamine

Identification

Associated companies 
Corteva Agriscience
Dow AgroSciences
Registration codes 
 BVL 037521-00 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.

 MRDF 70150 Greece: Pesticide product number assigned by the Ministry of Rural Development and Food, Greece. Products containing macro-organisms may be authorised differently.

 NL 14707N 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.

 BE 10317P/B Belgium: Pesticide product registration number assigned by the Service Plant Protection Products and Fertilisers (part of the Federal Public Service [FPS] Health, Food Chain Safety and Environment) of Belgium. Products containing macro-organisms may be authorised differently.
Pesticide type 
Herbicide
Pesticide group 
HRAC 2, 4

Active substances 

florasulam 25
g L⁻¹ Grams per litre - a unit used to measure mass concentration. The number of grams of a solid substance (the solute) that are dissolved in exactly one litre of a liquid (the solution).
clopyralid-olamine 300
g L⁻¹ Grams per litre - a unit used to measure mass concentration. The number of grams of a solid substance (the solute) that are dissolved in exactly one litre of a liquid (the solution).
as clopyralid

Formulation

UFI and Type

Unique Formula Identifier (UFI) 
-
Type 
Suspension concentrate

Possible coformulants 

1,2-benzisothiazolin-3(2H)-one

Product family 

Primus:

Primus
Primus Neo
Primus XL

Related products 

-

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Other information

Please cite as:

AERU (2026) Pesticide Formulations Catalogue (PFC): Primus Perfect. Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. URL: https://sitem.herts.ac.uk/aeru/pfc/Reports/2751.htm (Last accessed: 21/10/2026)

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