
What makes Mycorrhizal Fungi, Bacillus and Trichoderma so Important?
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Introduction
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Mycorrhizal fungi, Bacillus and Trichoderma bacteria are necessary to optimize plant growth in cultivation in soil, coconut, and hydroponics. They play a key role in improving nutrient absorption, protecting roots against diseases, and strengthening the plant immune system. Thanks to their synergistic action, these microorganisms enable healthier cultivation, more resistant to environmental stresses, and offering better yields.
However, it is delicate to mix certain bacteria in mineral culture, especially in hydroponics where conditions differ from those of living soil. In mineral media, the absence of organic matter and the nature of the fertilizers used can limit the effectiveness of certain beneficial bacteria, especially those that require an organic support to thrive. Moreover, the interaction between certain bacterial strains and mineral nutrient solutions can cause imbalances or nutrient precipitation. It is therefore essential to choose products specifically formulated for hydroponics and always check compatibility with your system before application.
Whether you are a passionate grower, a professional farmer, or an urban gardener, understanding the importance of mycorrhizae, Bacillus, and Trichoderma is essential to maximize plant growth and ensure optimal production in soil, coconut substrate, or hydroponic culture.
In this article, we will detail their benefits, the best brands available on the market, their application methods, and their compatibility with soil, coco, and hydroponic cultivation.

1. Mycorrhizal Fungi: An Essential Root Partner
🔹 What is a mycorrhizal fungus?
Mycorrhizal fungi are beneficial microorganisms that establish a symbiotic relationship with plant roots. By attaching to the roots, they develop a network of microscopic filaments that act as an extension of the root system. This expansion allows plants easier access to essential nutrients like phosphorus, nitrogen, and potassium, improving their assimilation.
In typical soil, nutrients can be blocked or scarcely available to roots. Mycorrhizae facilitate their absorption by making these nutrients bioavailable to the plant. This beneficial interaction is especially useful in poor substrates or in hydroponic cultivation where optimizing nutrient absorption is crucial.
🔹 Benefits of Mycorrhizae
✔ Increase the root absorption surface, promoting better exploitation of available resources in the soil or nutrient solution in hydroponic cultivation
✔ Improve water retention and drought stress tolerance, thus reducing the need for excessive watering in soil cultivation and in coco substrate
✔ Protect roots against certain fungal and bacterial diseases by forming a natural biological barrier against pathogens present in the soil
✔ Stimulate plant growth by increasing stress resistance and improving the assimilation of organic and mineral fertilizers
✔ Promote a denser and more vigorous root development, ideal for crops requiring a high-performance root system
🔹 Best Mycorrhizae Brands
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Great White– Mycorrhizae + Trichoderma + Bacillus, compatible with soil, coco, and hydroponic cultivation, ideal for optimizing root growth
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DYNOMYCO – Formula rich in Glomus intraradices, particularly effective for cannabis and nutrient-demanding plants.
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Mykos – 100% Glomus intraradices inoculant, easy to apply to quickly enrich soils and substrates.
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TNC MycorrPlus – Advanced blend combining mycorrhizae, Trichoderma, and Bacillus, optimized for a wide range of crops.
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VAM Endo-Mix BioAg – Specific for organic farming, promotes better nutrient uptake and optimal soil balance.
🔹 Compatibility with Soil, Coco, and Hydroponics
✅ Great White Mycorrhizae is fully compatible with soil, coco, and hydroponic cultivation, thanks to its ultra-fine formulation that allows effective application in irrigation systems without risk of clogging.
⚠️ Other mycorrhizae require an organic substrate such as soil or coconut fiber to fully thrive and are not suitable for hydroponic systems.
2. Bacillus: Essential Auxiliary Bacteria
🔹 Role and Benefits of Bacillus
✔ Increase nutrient absorption, especially phosphorus
✔ Produce antifungal enzymes that protect roots
✔ Improve soil structure and fertility
🔹 Best Bacillus Brands
- Bactrex – Blend of Bacillus, mycorrhizae, and Trichoderma.
- Mikrobs – Complex of Bacillus and enzymes stimulating growth.
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Mammoth P – Formulated to optimize phosphorus uptake. (See the official site).
- Recharge – Ultra-concentrated blend of Bacillus and mycorrhizae.
🔹 Compatibility with Hydroponic Cultivation
✅ Not all Bacillus-based products are compatible with hydroponic cultivation. Some like Mammoth P are.
3. Trichoderma: A Natural Biofungicide and Growth Stimulant
🔹 Role and Benefits of Trichoderma
✔ Protect roots against pathogenic fungi (Pythium, Fusarium)
✔ Natural growth stimulant
✔ Promote the decomposition of organic matter
🔹 Best Trichoderma Brands
- Trikologic – Trichoderma harzianum effective against pathogens.
- Trichoderma BioAg – Bio solution for soil and hydroponic crops.
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RootShield – A natural biofungicide based on Trichoderma atroviride.
- TNC MycorrMax – Complete mix with Trichoderma and mycorrhizae.
🔹 Compatibility with Hydroponics
✅ Trichoderma like Trikologic are perfectly compatible with hydroponics, but always read the manufacturers' instructions.
What to remember!
💧 In Hydroponics: Great White, Mammoth P, and Trikologic are the best options for effective root colonization and optimal protection against root diseases, accompanied by Bacillus to stabilize the nutrient solution.
🌱 In Soil and Coco: Combine a mycorrhizae + Bacillus + Trichoderma mix for optimal growth and increased resistance to soil pathogens.
📌 Always check the manufacturers' product sheet before use in hydroponics to ensure compatibility with your system.
By choosing reputable brands like Great White Mycorrhizae, Mammoth P, Bactrex, and Trikologic, you ensure vigorous and resilient growth, with optimal root development in soil, coco, or hydroponics!🚀
💬 A question about using these products according to your growing method? Ask it in the comments!