Potassium sorbate
Description
Potassium sorbate is the potassium salt of sorbic acid, widely recognized as an effective contact fungicide in agricultural applications. Due to its safety profile and ability to inhibit fungal growth, it is frequently used as a sustainable tool for disease management in various crop production systems.
The mode of action for potassium sorbate involves disrupting the metabolic functions of fungal cells. By affecting the permeability of the fungal cell membrane, the compound inhibits the development of mycelium and prevents spore germination. This mechanism provides a protective barrier against various pathogens on the plant surface.
It is primarily utilized to control diseases such as powdery mildew, Botrytis, and other surface-borne fungal pathogens on fruits, vegetables, and ornamental plants. Its role is critical in programs aimed at reducing synthetic pesticide residues, providing a clean and efficient alternative for organic and integrated pest management.
Correct application is essential for optimal results. It is best applied as a foliar spray with sufficient coverage to ensure the entire plant surface is treated. Growers must carefully monitor the concentration to prevent potential phytotoxicity, especially on younger or more sensitive plant varieties during high-temperature conditions.
- Effective control of powdery mildew.
- Safe for use in organic agricultural systems.
- Minimal risk to beneficial insects and pollinators.
- Rapid biodegradation in the field environment.
While potassium sorbate is considered low-risk, standard safety protocols are still required during handling. Workers should wear protective equipment to prevent skin irritation and contact with eyes. The product must be stored in a cool, dry environment to maintain its chemical stability and prevent degradation by external factors.
Status in the European Union
Not approved in the EU
- CAS number
- 24634-61-5
- Category (EU)
- FU - Fungicide
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.