Question

What do you mean by grafting?​

Answer 1

Answer:

grafting is a type of vegetative propagation

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Answer 2

Answer:

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.

Graft, in horticulture, the joining together of plant parts by means of tissue regeneration. 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. When more than two parts are involved, the middle piece is called the interstock. When the scion consists of a single bud, the process is called budding. Grafting and budding are the most widely used vegetative propagation methods.

The principles involved in grafting are based on the matching of scion and stock cambiums (meristematic tissue, the cells of which are undifferentiated and capable of frequent cell division). Cambial tissue in most woody trees and shrubs is an inconspicuous single cell layer covering the central core of wood and lying directly beneath the bark.

In modern horticulture grafting is used for a variety of purposes: to repair injured trees, to produce dwarf trees and shrubs, to strengthen plants’ resistance to certain diseases, to retain varietal characteristics, to adapt varieties to adverse soil or climatic conditions, to ensure pollination, to produce multifruited or multiflowered plants, and to propagate certain species (such as hybrid roses) that can be propagated in no other way. The interaction of rootstocks may affect the performance of the stock through dwarfing or invigoration and, in some cases, may affect quality. Further, the use of more than one component can affect the disease resistance and hardiness of the combination.

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