AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The most common type of grafting is
A
t-budding
B
simple layering
C
stem-tip propagation
D
scion cut out of the stock plant
Explanation: 

Detailed explanation-1: -In grafting, the upper part (scion) of one plant grows on the root system (rootstock) of another plant. In the budding process, a bud is taken from one plant and grown on another.

Detailed explanation-2: -Different types of traditional grafting methods. (a) Cut grafting, (b) cleft grafting, (c) crown grafting, (d), splice grafting, (e) tongue grafting, (f) approach grafting. The success of the graft depends on the compatibility between the rootstock and 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.

Detailed explanation-4: -Grafting as a means of growth control is used extensively with fruit trees and ornamentals such as roses and junipers. Fruit trees are normally composed of a scion grafted onto a rootstock.

Detailed explanation-5: -Grafting is a horticulture technique where the living detached portion of the plant is used to regenerate the growth. One plant is selected for its roots and this is called the stock or rootstock. The other plant is selected for its stems, leaves, flowers, or fruits and is called the scion.

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