Pseudozyma flocculosa
Description
Pseudozyma flocculosa is a potent biological fungicide known for its specialized ability to act as a mycoparasite against various plant pathogens. It is widely recognized in professional agronomy as a sustainable alternative to conventional synthetic chemical fungicides, offering targeted action against fungal infections in diverse agricultural settings.
The mode of action of this organism is primarily parasitic. Upon contact with the target pathogen, it colonizes the surface and releases specific compounds, including flocculosin. These substances disrupt the fungal cell wall, causing rapid dehydration and death of the pathogen, effectively halting the progression of the disease within the host plant tissue.
It is predominantly used to control powdery mildew across a range of crops, including grapes, strawberries, vegetables, and ornamental flowers. Its efficacy in greenhouse environments makes it a critical tool for growers who need to manage disease pressures while adhering to residue-free production standards required by many export markets.
Application of this biological agent requires attention to environmental conditions. It is most effective when humidity levels are sufficient to support the proliferation of the fungal spores. If conditions are too dry, the efficacy may be reduced, hence the recommendation for evening or early morning application to maximize the window for active growth.
Regarding safety measures, although it is a naturally occurring fungus and generally considered safe, users should always wear appropriate personal protective equipment during mixing and application to prevent respiratory irritation. It is essential to store the product under controlled conditions to maintain the viability of the spores until they are applied to the crop.
- Natural and sustainable disease management.
- Highly selective against powdery mildew species.
- No residual impact on crop quality.
- Prevents the development of resistance.
Status in the European Union
Not approved in the EU
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.