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Root caps contain statocytes which are involved in gravity perception in plants. [1] If the cap is carefully removed the root will grow randomly. The root cap protects the growing tip in plants. [1] It secretes mucilage to ease the movement of the root through soil, [1] and may also be involved in communication with the soil microbiota. [1]
Pruning is a horticultural, arboricultural, and silvicultural practice involving the selective removal of certain parts of a plant, such as branches, buds, or roots. The practice entails the targeted removal of diseased, damaged, dead, non-productive, structurally unsound, or otherwise unwanted plant material from crop and landscape plants.
A plant cutting is a piece of a plant that is used in horticulture for vegetative (asexual) propagation. A piece of the stem or root of the source plant is placed in a suitable medium such as moist soil. If the conditions are suitable, the plant piece will begin to grow as a new plant independent of the parent, a process known as striking.
As always, if you have questions about making smart plant decisions or want more information on your plant’s root habits, contact our Garden Hotline at beavermg@psu.edu or 724-371-2062.
Selective removal of parts of a plant such as branches, buds, or roots is typically known as pruning. In forestry, thinning is the selective removal of trees, primarily undertaken to improve the growth rate or health of the remaining trees. Overcrowded trees are under competitive stress from their neighbors.
Root mucilage is known to play a role in forming relationships with soil-dwelling life forms. [1] [4] Just how this root mucilage is secreted is debated, but there is growing evidence that mucilage derives from ruptured cells. As roots penetrate through the soil, many of the cells surrounding the caps of roots are continually shed and replaced. [5]
The aerial roots in this case work as regular surface roots. There are also several types of roots, creating a cushion where a high humidity is retained. Some of the aerial roots, especially in the genus Tillandsia, have a physiology that collects water from humidity, and absorbs it directly.
Like all vascular plants, trees use two vascular tissues for transportation of water and nutrients: the xylem (also known as the wood) and the phloem (the innermost layer of the bark). Girdling results in the removal of the phloem, and death occurs from the inability of the leaves to transport sugars (primarily sucrose) to the roots.