Captafol
Description
Captafol is a highly effective contact fungicide belonging to the chemical class of phthalimides (dicarboximide derivatives). In agriculture, it was long used as a potent agent for controlling a wide range of pathogenic fungi, preventing the development of diseases on growing plants.
The mechanism of action of the substance is based on the inhibition of metabolic processes in fungal cells. Captafol blocks the enzymatic activity of the pathogen by interacting with sulfhydryl groups of proteins, which leads to the disruption of cell division and the death of the pathogen. It provides a pronounced protective effect by forming a barrier on the plant surface.
The product was traditionally applied to fruit crops, cereals, vegetables, and potatoes. Its primary use was to control diseases such as late blight, early blight, gray mold, powdery mildew, and various types of scab. The substance effectively suppresses both spores and fungal mycelium upon direct contact.
Application specifics require strict adherence to dosage rates and uniform coverage of the leaf surface. Captafol is resistant to washout by precipitation, which ensures a long period of protective action. However, due to its high toxicity and persistence in the environment, the use of this active substance is now restricted or banned in many countries worldwide.
Safety measures when handling this compound are extremely rigorous. Captafol has potential carcinogenic properties and a significant irritant effect on the skin and mucous membranes. When handling, it is necessary to wear a full set of personal protective equipment, including respirators, gloves, and protective coveralls, while strictly following sanitary regulations and pre-harvest intervals.
- Broad spectrum of fungicidal activity.
- High adhesion to leaf surfaces.
- Risk of resistance development with continuous use.
- Strict environmental control over application.
Status in the European Union
Not approved in the EU
- CAS number
- 2425-06-1
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.