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Asexual Propagation Grafting

Plant . Propagation. Asexual Propagation Grafting. Original work from “Applied Technologies” edited and used with permission by Dr. Teri Hamlin. Table of Contents. Introduction to Plant Propagation Sexual Propagation Asexual Propagation Stem, Leaf, Cuttings Layering

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Asexual Propagation Grafting

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  1. Plant Propagation Asexual PropagationGrafting Original work from “Applied Technologies” edited and used with permission by Dr. Teri Hamlin

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

  3. Grafting • Grafting is a process by which two different plants are united so that they grow as one.

  4. Grafting TERMS • Scion - the newly installed shoot or top of the plant • Rootstock - the seedling or plant used as the bottom half of the graft

  5. Scion Rootstock

  6. This is a REAL neat trick, but it doesn’t seem practical. Why would you choose to use it?

  7. Reasons for Grafting: • To insert a different variety on part of the limbs of trees for cross-pollination • Obtain benefits of certain rootstocks

  8. Benefits: • Disease resistant rootstocks • Stronger root systems • Dwarfing capabilities

  9. Requirements for Success • Stock and Scion must be compatible • Cambium layers must match *Can’t graft monocots --Why? • Timing - scion should be dormant (NOT actively growing)

  10. Types of Grafts • Whip Graft -- used when stock & scion are small and are the same size • Cleft Graft -- used in topworking trees -- stock is usually much larger than scion

  11. Budding

  12. Budding • Actually a form of grafting • A single bud is used instead of a scion • Budding is quicker • 2 main types: - T-budding & Chip Budding

  13. T-budding • Scion and Rootstock must be compatible • Bark must be slipping • Examples: apples, pears, peaches, plums, cherries, and roses

  14. Chip Budding • Very similar to T-budding • Advantage: wood can be dormant, bark doesn’t have to slip • Widely used for grapes

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