Answer:

These are some vegetative methods used in our district.

Importance:

It is the only means of reproduction in species, which are seedless.

It is rapid, easier, and cheaper method.

New plants are exactly like the parent plants.

Improved varieties of ornamental plants and fruit trees can be multiplied easily.

Explanation:

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Verified answer

Vegetative methods followed in our district as well as in our state to propagate various plants of economic importance.

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l) Natural vegetative propagation :

In this method of vegetative propagation, a part of the plant which may be stem, root-leaf or flower gets detached from the body of the mother plant.

a) Vegetative propagation : Roots of raddish, carrot, dahlia develop adventious buds which grow into leafly shoots.

b) Vegetative propagation by stems : Stolons - Vallisneria, offsets - Eichhornia, Rhizome - Banana, Ginger Bulbs - Alliumcepa (Onion); Corn - Colacasia; Tuber - Potato.

c) Vegetative propagation by leaves : Bryophyllum.

d) Vegetative propagation by modified flowers (Bulbils) : Agave.

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II) Artificial vegetative propagation :

Certain flowering plants have the capacity to develop a part of their somatic body into a new independent plant. In artificial vegetative propagation such plants are identified and special techniques are applied to obtain new independent plant.

a) Cutting (stems) : Sugarcane, Roses, Hibiscus, Citrus plants.

b) Cutting (Root) : Lemon, Tamarind.

c) Layering : Jasmine, Strawberry, Gooseberry.

d) Grafting : Rubber, apple, pear, citrus, mango, Guava.

e) Propagation by tissue culture technique : Lily, Rose, Magnolia, Fern, Banana for micro propagation, a small amount of tissue from a suitable part of the parent plant is excised and grown on a nutrient medium under aseptic conditions.

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