Vegetative Propagation in Plants
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Questions and Answers

What is the upper part of the plant called in grafting?

Scion

What is the lower part of the plant called in grafting?

Stock

Which process is commonly used in the cultivation of flower and fruit yielding plants?

Grafting

Name a few examples of plants that are commonly grafted.

<p>Mango, Apple, Rose</p> Signup and view all the answers

What is the process where spores are formed from sporangium?

<p>Sporogenesis</p> Signup and view all the answers

Give an example of a plant that propagates through root buds.

<p>Guava, Millingtonia, Murraya (Curry leaves)</p> Signup and view all the answers

What is the process by which Bryophyllum reproduces vegetatively through small buds at the leaf margins?

<p>Leafbuds</p> Signup and view all the answers

Identify a plant that propagates using stem tubers.

<p>Potato</p> Signup and view all the answers

Describe the artificial propagation method involving cutting a piece of stem or branch with a bud and planting it in moist soil.

<p>Cuttings</p> Signup and view all the answers

Explain the process of layering as a method of artificial propagation.

<p>A weak lateral branch with at least one node is bent towards the ground, covered with moist soil, and develops adventitious roots.</p> Signup and view all the answers

What technique involves joining two plants with desirable characters to grow as a single plant?

<p>Grafting</p> Signup and view all the answers

Study Notes

Vegetative Propagation

  • Plants can propagate through their vegetative parts, such as roots, leaves, and stem structures.
  • Propagation can occur naturally or artificially.

Natural Propagation

  • Occurs through specialized structures of a mature plant, such as roots, leaves, and stem structures.
  • Examples of natural propagation structures include:
    • Rhizomes (e.g., Ginger)
    • Corms (e.g., Colocasia)
    • Bulbs (e.g., Onion)
    • Tubers (e.g., Potato)
    • Runners (e.g., Grasses)
    • Stolons (e.g., Jasmine and Strawberry)
  • Root buds can give rise to new plants, e.g., in Guava, Millingtonia, and Murraya (Curry leaves).
  • Leaf buds can develop into new plants, e.g., in Bryophyllum.

Artificial Propagation

  • Cuttings: a piece of stem or branch with a bud is cut off from the parent plant and buried in moist soil, developing roots and growing into a new plant.
    • Examples: Rose, Hibiscus
  • Layering: a weak lateral branch is bent towards the ground, covered with moist soil, and develops adventitious roots, then cut off from the parent plant and grown as a new plant.
    • Examples: Nerium, Jasmine
  • Grafting: a technique where two plants with desirable characters are joined to continue their growth as a single plant.
    • The grafted upper part is called the scion, and the lower part is called the stock.
    • Examples: Mango, Apple, Rose

Sporogenesis (Spore Formation)

  • Spores are formed from sporangium, and when sporangia burst, spores are released and germinate on reaching a suitable substratum in favorable conditions.
  • Examples of organisms that reproduce by asexual spores include:
    • Fungi (e.g., Rhizopus, Mucor)
    • Bacteria (a few species)
    • Moss and fern plants

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Description

Learn about how plants can propagate through vegetative parts like roots, leaves, and stem structures. Explore the natural and artificial methods of propagation including specialized structures like rhizomes, corms, bulbs, and tubers.

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