DENDROLOGY

Detailed explanation-1: -Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion (/ˈsaɪən/) while the lower part is called the rootstock.

Detailed explanation-2: -Grafting is the act of placing a portion of one plant (bud or scion) into or on a stem, root, or branch of another (stock) in such a way that a union will be formed and the partners will continue to grow. The part of the combination that provides the root is called the stock; the added piece is called the scion.

Detailed explanation-3: -A stock is a rooted stem into which a scion or bud is grafted, and the portion of the mixture provides the root. Scion is a living plant component that is detached and grafted to the stalk during the grafting process.