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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. Introduction to Plant Propagation

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Asexual Propagation by Cuttings

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  1. 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

  2. Table of Contents • Introduction to Plant Propagation • Sexual Propagation • Asexual Propagation • Stem, Leaf, Cuttings • Layering • Separation & Division • Tissue Culture • Budding and Grafting

  3. Asexual Propagation What is it? • The reproduction or multiplication of a plant without a seed…not a sexual process

  4. 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”

  5. Mutant Tissue

  6. What is a CLONE? • A group of plants derived from a single individual plant. Disadvantage: NO Genetic Diversity!

  7. Cuttings • Most common type of asexual propagation Common Types of Cuttings: • Stem Cuttings • Leaf Cuttings • Leaf Bud Cuttings

  8. 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

  9. The Proper Environment... The Media • Must be sterile • Must provide air exchange • Must hold moisture The Atmosphere • Need HIGH relative humidity

  10. Rooting Hormones Indoleacetic Acid (IAA) • natural plant hormone • causes roots to form on stems IBA & NAA • Most commonly used • Comes in powder or solution

  11. Plant Propagation

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