Davies, Peter J. School of Integrative Plant Science, Cornell University, Ithaca, New York.
Last reviewed:May 2019
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- Comparison with animals
- Changes in the rate of growth
- Sites of cell division
- Factors affecting growth
- Growth of fruits and seeds
- Leaf abscission
- Links to Primary Literature
- Additional Readings
An irreversible increase in the size of a plant. Because plants (Fig. 1), like other organisms, are made up of cells, plant growth involves an increase in cell numbers by cell division and an increase in cell size. Cell division itself is not growth, as each new cell is exactly half the size of the cell from which it was formed. Only when it grows to the same size as its progenitor has growth been realized. Nonetheless, as each cell has a maximum size, cell division is considered as providing the potential for growth. See also: Cell (biology); Cell division; Plant; Plant anatomy; Plant cell; Plant physiology
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