Forchlorfenuron
Description
Forchlorfenuron is a potent synthetic plant growth regulator belonging to the phenylurea class of chemicals. It serves as a highly active cytokinin, which is a class of plant hormones that promote cell division. By mimicking these natural compounds, it plays a critical role in controlling the development and expansion of plant tissues.
The primary mechanism of action involves the stimulation of mitosis in plant cells. Once applied, it increases the metabolic rate and protein synthesis within the fruit tissues. This leads to rapid cell multiplication and enlargement, which significantly contributes to increased fruit size, weight, and improved uniformity across the harvest.
Forchlorfenuron is widely utilized in horticulture to improve the commercial value of various crops, including kiwifruit, table grapes, melons, and pome fruits. Its main function is to ensure that fruits reach optimal market specifications, thereby increasing the economic return for the grower during the harvest season.
The application of this substance requires technical precision. It is typically applied through dipping or targeted spraying of flowers and young fruits at specific growth stages. Growers must exercise caution, as incorrect timing or excessive dosage can result in undesirable effects, such as misshapen fruits or negative impacts on the internal quality of the harvest.
Safety precautions are essential when handling forchlorfenuron. Personnel must wear appropriate personal protective equipment (PPE) to prevent skin and respiratory exposure. Furthermore, users should strictly adhere to established pre-harvest intervals (PHI) to ensure that the final product is safe for consumer consumption and meets all regulatory standards for residue limits.
Status in the European Union
Approved in the EU
- CAS number
- 68157-60-8
- Approved from
- 01.06.2018
- Approval until
- 31.05.2033
- ADI
- 0.05 mg/kg bw/day
- ARfD
- 0.5 mg/kg bw
- AOEL
- 0.16 mg/kg bw/day
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.