Vegetative reproduction
/ˈvɛdʒətətɪv ˌriprəˈdʌkʃən/
Definition
Vegetative reproduction refers to a form of asexual plant reproduction in which new plants grow from roots, stems, leaves, or buds rather than from seeds. The offspring are usually genetically identical to the parent plant because no fertilization occurs. It happens naturally through structures such as runners, rhizomes, tubers, and bulbs, and it can also be carried out in horticulture by methods such as cuttings, division, and layering.
Role in Plant Biology
- Clonal offspring: It produces new plants that are genetically very similar to the parent, so useful traits such as fruit quality, flower color, or growth habit are usually preserved.
- Common plant structures: Many species do this through runners, rhizomes, tubers, bulbs, corms, or suckers. These structures also help plants spread and recover after damage.
- Trade-off with genetic diversity: Because offspring are clones, populations formed mainly this way often show less genetic variation than those produced from seed. That can limit adaptation to changing pests, diseases, or weather.
- Value in propagation: Gardeners and growers use cuttings, division, and layering to multiply plants quickly and keep cultivars true to type, especially when seeds are slow, variable, or sterile.
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