Trichoderma in tomato and cucumber cultivation can be an important element of building a healthy crop from the very beginning of the season. In open-field vegetable production, the above-ground part of the plant is important, but the soil and root system play a key role.
The root zone is where water uptake, nutrient absorption and plant resistance to stress begin. When root development is weak, tomatoes and cucumbers respond worse to drought, pathogen pressure and difficult weather conditions.
Why is soil so important in vegetable cultivation?
Tomatoes and cucumbers are sensitive to conditions in the root zone. Compacted, biologically weakened soil or soil with high pathogen pressure can limit plant development soon after transplanting.
In practice, growers may notice:
- poor establishment of seedlings,
- slower growth after planting,
- uneven plant development,
- weaker root systems,
- higher sensitivity to water stress,
- increased risk of disease problems.
This is why biological soil support should be planned before planting. It gives plants better conditions for starting growth and developing a stronger root system.
How does Trichoderma work?
Fungi from the genus Trichoderma colonise the root zone and support natural biological activity in the soil. They can help reduce the pressure of selected soil-borne pathogens, support root development and improve plant condition during intensive growth.
VitaFer TrichoPRO contains selected strains of Trichoderma fungi:
- Trichoderma asperellum,
- Trichoderma viride,
- Trichoderma reesei.
This combination can be a valuable support in open-field cultivation of tomatoes, cucumbers and other vegetables, especially where improving soil health and helping plants establish after transplanting are priorities.
Trichoderma in tomato and cucumber cultivation — when to apply it?
VitaFer TrichoPRO is recommended before planting and before transplanting seedlings into the field. The aim is to introduce beneficial microorganisms into the root zone before plants enter intensive growth.
This approach supports plants before the first visible symptoms of stress or weakening appear.
What problems can VitaFer TrichoPRO help with?
VitaFer TrichoPRO can be part of a preventive strategy in crops exposed to fungal and bacterial disease pressure. In tomato and cucumber cultivation, important threats include late blight, alternaria, fusarium and powdery mildew.
The product supports plants by improving conditions in the root zone and strengthening their natural defence mechanisms. It is not a single emergency treatment for visible symptoms, but part of a broader strategy for maintaining a healthy crop.
What are the benefits of biological soil support?
Regular use of products based on Trichoderma can support:
- better root system development,
- greater root volume and reach,
- improved crop health,
- higher tolerance to temporary drought,
- natural plant resistance to stress,
- reduced pressure from selected soil-borne pathogens.
A well-developed root system means a stronger plant. And a stronger plant uses water and nutrients more efficiently and recovers better after difficult growing conditions.
VitaFer TrichoPRO in open-field vegetable production
VitaFer TrichoPRO is safe for people, animals and pollinating insects. It does not require a pre-harvest interval, which makes it a convenient element of biological crop support during the season.
It is especially worth considering where tomatoes, cucumbers or other open-field vegetables have previously been weakened by soil-borne diseases, drought or poor root development.
Healthy crops start in the soil. If you want to improve seedling establishment and support natural plant resistance, discover VitaFer TrichoPRO and choose a programme suited to your plantation.



