You will find everything you need to know about sap, the vital substance for plant growth and development in this short but interesting article. Here you will find a clear definition of what sap is, what types of sap exist, where raw and processed sap is formed, what functions it performs, and how it is transported throughout the plant.
And it is that in Green Ecologist we do not want to take anything for granted or known. Our philosophy is to bring everyone, young and old, closer to the fascinating natural world that surrounds us and, sometimes, the best way to understand the miracle of life is to start with the basics. Do you want to know a little more about the sap of plants and trees? So, go ahead and read this summary about what is sap, its types and functions.
Sap is known as the liquid substance that is transferred through the conductive tissue of plants, one of the various types of plant tissues that exist. Plants are able to create their own food source thanks to the creation of sap. But what forms the sap? The sap from a plant contains a lot of mineral salts, amino acids and hormones. However, this liquid substance is mainly composed of Water, specifically in 98%, although this can vary according to the species.
The sap found in plants is of two types: raw sap and processed sap. The raw sap is characterized by being formed in the root and is transported thanks to the xylem to the rest of the parts of the plant. After going through the photosynthesis process, this becomes elaborated sap and is transported by the phloem just in the opposite direction, from the leaves to the roots.
It is important to know, to improve the growth of our plants, that the sap production of the vast majority of species coincides with times with higher temperatures. For this reason, most of the prunings that are carried out take place during the winter, to avoid the loss of this vital substance for the life of the plant.
The sap is transported by the conducting tissues of plants: the xylem and phloem. Each of them is in charge of transporting the two types of sap existing:
These are the main functions of sap:
The way that the sap of a tree reaches the top, being transported against gravity, is achieved thanks to the xylem. Through this conduit, the water and mineral salts captured by the root system of the tree from the earth itself are transported to finally reach all parts of the plant, including the tree canopy.
Those in charge of sap transport are xylem and phloem. The raw sap that passes through the xylem makes a long journey up to all the points of this to offer the necessary nutrients to the leaves, which are responsible for carrying out most of the photosynthesis and thus converting it into processed sap, is that very rich in carbohydrates. This is transported by the phloem, the other conduit in charge of making sure to transport the nutrients. Finally, this elaborated sap will make the opposite route to carry the food to the rest of the plant. From the root, through the trunk, the branches and leaves that cover the crown.
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