Vegetative Propagation in Plants


 
 
Concept Explanation
 

Vegetative Propagation in Plants

In which, a cell, tissue or part of an organ of a plant develops into a new organism. Vegetative parts such as root, stem and leaf can be used to produce new plants. It is known as vegetative reproduction.

Natural methods : They do with the help of stems, roots and leaves.

Roots: Tuberous roots of dahlia, sweet potato can be set for multiplication. These roots have food stored in them.

Stems: Vegetative propagation through stems is of the following types;

  • Plants such as grass have horizontal stems growing parallel to the ground, almost touching it.
  • In plants such as mint horizontal stems arise from the base of the erect shoot, grow horizontally in the soil and then come out to form new aerial shoots. 
  • Some underground stems are: bulbs, tubers, rhizomes and corms. 
  • Rhizomes have buds from which outgrowths are produced which give rise to new plants. E.g. Ginger, turmeric, banana.
  • Bulbs are very short underground stems in thickened fleshly bulb scales. Scales serve as sites of food storage.
  • Tubers have buds in the eyes, which give rise to new plants e.g. potato.
  • Corms have lots of rhizomes joined together which develop into new plants e.g. colocasia.
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    Sample Questions
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    Question : 1

    Edible part of potato is ________________

    Right Option : B
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    Explanation
    Question : 2

    Rhizomes have buds from which outgrowths are produced which give rise to new plants _________________ .

    Right Option : A
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    Explanation
    Question : 3

    By which of the folowing method is a clone obtained ?

    Right Option : B
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    Explanation
     
     
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