Romeo
Romeo is a professional, host-plant defence inducer used to protect various plants including grapes, cucumbers, courgettes and leafy crops from fungal diseases such as botrytis and mildews. 
Identification
Fargro Ltd
PCS 07457 Ireland: Pesticide product registration number assigned by the Pesticide Registration and Control Divisions (PRCD) of the Department of Agriculture, Food and the Marine (DAFM), Ireland
AMM 2170654 France: Pesticide product registration number assigned by the French competent authority - Agence Nationale de Sécurité Sanitaire (Anses)
MAPP 18534 Great Britain: Pesticide product number assigned by the UK Health and Safety Executive (HSE) for Great Britain
USRN 91810-2 USA: Pesticide product registration number assigned by the United States Environmental Protection Agency (USEPA).
BE 10789P/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.
SAG Unknown Chile: Pesticide product registration number assigned by Servicio Agrícola y Ganadero (SAG), Chile
HUN 6300/1930-1/2022 Hungary: Pesticide product registration number is assigned by the Hungarian National Food Chain Safety Office, commonly known by its Hungarian acronym, Nébih (Nemzeti Élelmiszerlánc-biztonsági Hivatal).
ONSSA H04-2-023 Morocco: Pesticide product registration number assigned by the Office National de Sécurité Sanitaire des Produits Alimentaires (ONSSA), Morocco
NL 15726 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).
Formulation
UFI and Type
Possible coformulants
Product family
None
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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): Romeo. Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. URL: https://sitem.herts.ac.uk/aeru/pfc/Reports/1596.htm (Last accessed: 30/08/2026)
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