How can a cut piece of a plant grow into a new plant?

A cut piece of a plant can grow into a new, genetically identical individual through a process known as vegetative reproduction. This ability relies on the plant's capacity to regenerate missing tissues, such as adventitious roots or shoots, from severed leaves, stems, or roots.123

The success of this regeneration depends on several factors:

• Meristematic Activity: Plants possess meristems, which are regions of cells capable of continuous division and growth. When a plant is injured, these cells can form anew to facilitate wound healing and the development of missing organs.4
• Internal Substances: The physiological ability to root is influenced by internal factors, including plant hormones like auxin, as well as carbohydrates, vitamins, and nitrogenous substances.13
• Environmental Conditions: Successful regeneration requires appropriate levels of light, temperature, humidity, and oxygen. For instance, maintaining high humidity is crucial to prevent the cutting from drying out before it can establish a root system.13

In horticulture, these cuttings are often treated with synthetic growth regulators to stimulate root development, allowing for the efficient propagation of desirable plant varieties.13