Plant Senescence
Plant senescence is the natural aging process of plants and is a crucial part of the life cycle. As plants age, they stop growing and eventually die. Senescence can be initiated by environmental and hormonal cues and is characterized by changes in metabolism, the breakdown of chlorophyll, changes in the colour of leaves, and the eventual shedding of leaves. It is an important part of nutrient cycling and ecosystem dynamics, as dying plants release stored nutrients back into the environment for reuse. Senescence can also be a useful tool in agricultural production, as it signals the end of a plant's productive life and can be used as a cue to inform when and how to harvest or replant.
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