These organisms, such as bacillus, mycorrhizae and trichoderma all form symbiotic relationships with the plant and are found in soil. Bacillus is used world wide for the control of loopers, fungus gnats, insect pests and opportunistic fungi pathogens. Tricoderma is a fungi that feeds off pathogenic root rot and damping off fungi; it also stimulates the plants root and immune systems, which helps the plant to fight off fungi attacks. Mycorrhizae is a beneficial fungi which colonizes the root surface; this helps keep the pathogenic fungi from getting a foot hold on the plant’s root system.
Mycorrhizae also helps the plant take up nutrients that are out of reach of the plant’s roots.
All of these beneficial organisms feed off plant exudes from the root system and some nutrients in the growing medium.
How to use beneficals in your system.To get the maximum benefit from beneficial micro-organisms, the gardener should always provide food for these beneficals.
Providing these organisms with food (e.g.: Liquid Karma, Earth Juice Catalyst and Sweet) ensures that they will grow and multiply in your garden, however, the harmful micro-organisms will also use this food to multiply.
This is one of the reasons why your water and growing medium should be well oxygenated. Harmful pathogens tend to thrive in anaerobic conditions whereas beneficial organisms thrive in aerobic conditions.