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Plant. Propagation. Asexual Propagation by Cuttings. Original work from “Applied Technologies” edited and used with permission by Dr. Teri Hamlin Modified by Georgia Agricultural Education Curriculum Office July 2002. Table of Contents. Introduction to Plant Propagation Sexual Propagation

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asexual propagation by cuttings

Plant

Propagation

Asexual Propagation by Cuttings

Original work from “Applied Technologies” edited and used with permission by Dr. Teri Hamlin

Modified by Georgia Agricultural Education Curriculum Office

July 2002

table of contents
Table of Contents
  • Introduction to Plant Propagation
  • Sexual Propagation
  • Asexual Propagation
    • Stem, Leaf, Cuttings
    • Layering
    • Separation & Division
    • Tissue Culture
    • Budding and Grafting
asexual propagation
Asexual Propagation

What is it?

  • The reproduction or multiplication of a plant without a seed…not a sexual process
reasons to use asexual propagation
Reasons to Use Asexual Propagation
  • To produce uniform, superior plants
  • Many plants don’t come true from seeds
  • Some plants don’t produce viable seeds
  • Take advantage of useful “freaks of nature”
slide5

Mutant

Tissue

slide7

What is a CLONE?

  • A group of plants derived from a single individual plant.

Disadvantage:

NO Genetic Diversity!

slide8

Cuttings

  • Most common type of asexual propagation

Common Types of Cuttings:

  • Stem Cuttings
  • Leaf Cuttings
  • Leaf Bud Cuttings
rules for cuttings
Rules for Cuttings
  • Typically take cuttings from New Growth
  • Collect cuttings early in the morning
  • Collect cuttings from healthy stock plants
  • Provide proper environment for rooting
the proper environment
The Proper Environment...

The Media

  • Must be sterile
  • Must provide air exchange
  • Must hold moisture

The Atmosphere

  • Need HIGH relative humidity
rooting hormones
Rooting Hormones

Indoleacetic Acid (IAA)

  • natural plant hormone
  • causes roots to form on stems

IBA & NAA

  • Most commonly used
  • Comes in powder or solution
slide12

Plant

Propagation