
LALSTOP K61 WP
LALSTOP K61 WP is a broad-spectrum biological fungicide formulated with a high concentration of spores and mycelia of Streptomyces sp. K61, a naturally occurring actinobacterium found in certain soils and known for its disease-controlling properties.
LALSTOP K61 WP provides effective control against a wide range of soil-borne pathogens such as Fusarium spp., Pythium spp. and Phytophthora spp., which are responsible for damping-off, seedling death, crown rot, base rot, wilts and root rot diseases. By protecting the root system and plant base, it contributes to improved crop establishment, vigor and yield potential.
Product details
- Formulation: wettable powder (WP)
- Storage: it can be stored unopened for 12 months in a cool and dry space at a temperature lower than 8°C, and for 2 to 4 weeks at room temperature, use immediately after opening
- Suitable for use in organic agriculture in compliance with current regulations
The active bacterium Streptomyces sp. K61, present in LALSTOP K61 WP, acts through multiple complementary modes of action:

🎥 How does it work?
Key benefits
LALSTOP K61 WP provides effective control against a broad spectrum of soil-borne plant pathogens, including Fusarium spp., Pythium spp., and Phytophthora spp., responsible for damping-off, seedling death, crown rot, base rot, wilt, and root rot diseases.
- Broad spectrum of use
- Several modes of action: low risk of resistance
- Persistence of action 3 weeks in the soil and growing media
- Environmental profile:
- without toxicological classification
- usable in organic farming and zero residue programmes
Ingredients
Spores and mycelia of Streptomyces K61: 5 × 10⁸ CFU*/g (25% w/w)
*CFU: Colony Forming Unit. Unit of measure for living microorganisms able to multiply.
Formats
| 100 g bag |
|---|
Legal Notice
Product use and applications may vary depending on the country or region. Please comply with all applicable regulations. For professional use only: Handle plant protection products with care. Before use, read the label and product information carefully.

