Horticulture Propagation
Hydrangea  Bigleaf <ul><li>Plant type:  Shrub  </li></ul><ul><li>USDA Hardiness Zones:  5b to 9a  </li></ul><ul><li>Height...
Scarification <ul><li>Cutting the seed coat using acid, sand paper, or a knife to encourage germination </li></ul><ul><li>...
Stratification <ul><li>Requirement of some seeds to go through a cold period before they will sprout </li></ul><ul><li>Wal...
Basic Parts of Seeds <ul><li>1.  Embryo </li></ul><ul><li>2.  Food Supply – 1 st  leaves </li></ul><ul><li>3.  Ovary wall ...
Germination <ul><li>Needed for Germination </li></ul><ul><li>1.  Temperature </li></ul><ul><li>2.  Moisture </li></ul><ul>...
Germination <ul><li>Process </li></ul><ul><li>1.  Seed absorbs water </li></ul><ul><li>2.  Seeds proteins activated </li><...
Monocot Seeds <ul><li>1.  Seed coat-protection </li></ul><ul><li>2.  Endosperm- a source of energy </li></ul><ul><li>3.  E...
Dicot Seeds <ul><li>1.  Seed Coat-protection </li></ul><ul><li>2.  Embryo miniature plant </li></ul><ul><ul><li>2 cotyledo...
Monocot Germination <ul><li>1.  Seed swells </li></ul><ul><li>2.  Radicle grows down </li></ul><ul><li>3.  First internode...
Dicot Germination <ul><li>1.  Seed swells </li></ul><ul><li>2.  Radicle grows down </li></ul><ul><li>3.  Hypocotyl forms a...
Seedlings <ul><li>Sow in soil – direct seeding </li></ul><ul><ul><li>Grass </li></ul></ul><ul><ul><li>Covercrops </li></ul...
Promix Soilless Medium <ul><li>MYCRORISE® PRO has a beneficial fungus that is found naturally in soils around the world.  ...
Promix BX <ul><li>Canadian Sphagnum Peat Moss  (75-85 % / vol.)  </li></ul><ul><li>Dolomitic & Calcitic Limestone  (pH adj...
Damping Off <ul><li>Fungal disease that kills seedlings </li></ul>
Today <ul><li>Start tree seeds </li></ul><ul><ul><li>Walnut </li></ul></ul><ul><ul><li>Redbud </li></ul></ul><ul><ul><li>C...
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10 5 Scarification & Stratification

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10 5 Scarification & Stratification

  1. 1. Horticulture Propagation
  2. 2. Hydrangea Bigleaf <ul><li>Plant type: Shrub </li></ul><ul><li>USDA Hardiness Zones: 5b to 9a </li></ul><ul><li>Height: 48&quot; to 72“, Spread: 72&quot; to 96&quot; </li></ul><ul><li>Exposure: shade to partial sun </li></ul><ul><li>Bloom Color: Blue, Lavender, Pink, Purple, Red, White </li></ul><ul><li>Bloom Time: , Mid spring - Late summer, </li></ul><ul><li>Uses: Specimen </li></ul><ul><li>Flower color depends on the pH of the soil it is grown in. </li></ul>
  3. 3. Scarification <ul><li>Cutting the seed coat using acid, sand paper, or a knife to encourage germination </li></ul><ul><li>Redbud tree seeds require scarification </li></ul>
  4. 4. Stratification <ul><li>Requirement of some seeds to go through a cold period before they will sprout </li></ul><ul><li>Walnuts </li></ul>
  5. 5. Basic Parts of Seeds <ul><li>1. Embryo </li></ul><ul><li>2. Food Supply – 1 st leaves </li></ul><ul><li>3. Ovary wall or seed coat </li></ul>
  6. 6. Germination <ul><li>Needed for Germination </li></ul><ul><li>1. Temperature </li></ul><ul><li>2. Moisture </li></ul><ul><li>3. Air </li></ul><ul><li>4. Light or absence of it </li></ul>
  7. 7. Germination <ul><li>Process </li></ul><ul><li>1. Seed absorbs water </li></ul><ul><li>2. Seeds proteins activated </li></ul><ul><li>3. Radicle (root) emerges </li></ul><ul><li>4. Plumule or embryonic shoot emerges </li></ul><ul><li>5. Leaves form and food production begins </li></ul>
  8. 8. Monocot Seeds <ul><li>1. Seed coat-protection </li></ul><ul><li>2. Endosperm- a source of energy </li></ul><ul><li>3. Embryo-miniature plant that has </li></ul><ul><ul><li>Epicotyle-shoot above cotyledon </li></ul></ul><ul><ul><li>Hypocotyl-part of stem below the cotyledon </li></ul></ul><ul><ul><li>Radicle- primary root, supports seedling </li></ul></ul>
  9. 9. Dicot Seeds <ul><li>1. Seed Coat-protection </li></ul><ul><li>2. Embryo miniature plant </li></ul><ul><ul><li>2 cotyledons-seed leaves </li></ul></ul><ul><ul><li>Epicotyl-true leaves </li></ul></ul><ul><ul><li>Hypocotyl-first stem, pulls seed upward </li></ul></ul><ul><ul><li>Radicle-forms roots </li></ul></ul>
  10. 10. Monocot Germination <ul><li>1. Seed swells </li></ul><ul><li>2. Radicle grows down </li></ul><ul><li>3. First internode and epicotyl grows upward </li></ul><ul><li>4. New leaves form and food production starts </li></ul><ul><li>5. New root system develops </li></ul><ul><li>6. Temporary root system ceases to function and dies </li></ul>
  11. 11. Dicot Germination <ul><li>1. Seed swells </li></ul><ul><li>2. Radicle grows down </li></ul><ul><li>3. Hypocotyl forms arch that breaks soil surface </li></ul><ul><li>4. Hypocotyl reaches light and straightens up </li></ul><ul><li>5. Cotyledons turn green and make food </li></ul><ul><li>6. As new leaves develop, cotyledons dry up and fall off </li></ul>
  12. 12. Seedlings <ul><li>Sow in soil – direct seeding </li></ul><ul><ul><li>Grass </li></ul></ul><ul><ul><li>Covercrops </li></ul></ul><ul><li>Sow in growing mix </li></ul><ul><ul><li>Transplant after developed 1 st or second set of leaves </li></ul></ul><ul><li>Only use sterile mix </li></ul>
  13. 13. Promix Soilless Medium <ul><li>MYCRORISE® PRO has a beneficial fungus that is found naturally in soils around the world. </li></ul><ul><li>Mycorrhizae forms an association, or symbiosis, with the roots of the plants. </li></ul>
  14. 14. Promix BX <ul><li>Canadian Sphagnum Peat Moss (75-85 % / vol.) </li></ul><ul><li>Dolomitic & Calcitic Limestone (pH adjuster) </li></ul><ul><li>Endomycorrhize (Mycorise® Pro)   </li></ul><ul><li>Macronutrients </li></ul><ul><li>Perlite — horticultural grade   </li></ul><ul><li>Micronutrients </li></ul><ul><li>Vermiculite   </li></ul><ul><li>Wetting Agent    </li></ul>
  15. 15. Damping Off <ul><li>Fungal disease that kills seedlings </li></ul>
  16. 16. Today <ul><li>Start tree seeds </li></ul><ul><ul><li>Walnut </li></ul></ul><ul><ul><li>Redbud </li></ul></ul><ul><ul><li>Chestnut </li></ul></ul><ul><ul><li>Oak </li></ul></ul><ul><li>Walk down to irrigation project </li></ul>

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