AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the part of the grafted plant called that becomes the stem?
A
Union
B
Scion
C
Style
D
Ovary
Explanation: 

Detailed explanation-1: -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-2: -Grafting is the act of joining two plants together. The upper part of the graft (the scion) becomes the top of the plant, the lower portion (the understock) becomes the root system or part of the trunk.

Detailed explanation-3: -A grafted plant consists of two parts: a scion and a rootstock with each being a different plant. The scion provides the shoot and the rootstock provides the root system. The point of attachment is called the union, which is the point where the vascular bundles of the two plants fuse together and become one plant.

Detailed explanation-4: -The Scion. The scion is the part of the grafted plant that will produce the plant’s shoots. It will, in the future, give rise to all of the plant’s leaves, stems, flowers, and fruits. The scion is typically the top part of the grafted plant.

Detailed explanation-5: -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.

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