The Root: The Plant's Brain
The root system, comprising all the roots of a plant, is one of its most important and vital parts. It functions like a “motor pump,” absorbing and pushing water, mineral nutrients, activators, and promoters of chemical reactions (such as enzymes, coenzymes, and hormones) from the roots to the leaves through the stem and branches. Most importantly, it maintains physiological balance throughout the plant.
So, the next time you look at your plants, remember that the green leaves, showy flowers, and abundant fruits are all due to the root system, which is the true “brain” of the plant.
The rhizosphere is where the relationships between microecological life and the root system (including roots and absorbent hairs) are established, along with the tissues that wrap around the tips of the roots or growth zones. This area is crucial for the absorption and pumping of nutrients and water into the leaves.
An example of this is that almost all plant root systems are associated with mycorrhizae, which mobilize nutrients to the rhizosphere. In turn, the plant excretes (essentially, it “urinates”) simple substances resulting from its physiological processes through its roots. These substances are used as a food source by soil microorganisms, helping to avoid competition with other microorganisms.
These microbes emit antibiotics into the rhizosphere, providing indirect protection by "repelling," so to speak, pathogenic agents. This is very useful for maintaining the health of the roots and, consequently, the health of the soil and plants.
@Tartaria & History Channel
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