Scion

Definition

A scion is a young shoot or twig that is grafted onto the rootstock of another plant. It is used in horticulture to propagate plants with desirable traits.

5 Must Know Facts For Your Next Test

1. Scions are typically chosen for their superior fruit, flower, or foliage characteristics.
2. The success of grafting a scion depends on the compatibility between the scion and the rootstock.
3. Scions must be kept moist and cool before grafting to ensure successful union with the rootstock.
4. Grafting using a scion can help circumvent issues such as soil-borne diseases that affect roots.
5. The process facilitates the combination of different plant strengths, such as drought resistance from the rootstock and high yield from the scion.

Review Questions

• What are the primary reasons for using a scion in plant propagation?
• How does compatibility between scion and rootstock influence grafting success?
• Why must a scion be kept moist and cool before it is grafted?

Related terms

Rootstock: The part of a plant onto which a scion is grafted, providing the root system for the new plant.

Grafting: A horticultural technique where tissues from one plant are inserted into those of another so that they may continue to grow together.

Asexual Reproduction: A mode of reproduction by which offspring arise from a single organism without genetic contribution from another organism.