Irrigation Term: Turgidity Plant: Nandina
Japanese Barberry <ul><li>Shrub, deciduous  </li></ul><ul><li>Hardiness Zones:  4a to 8a  </li></ul><ul><li>Height:  3’ to...
Turgidity <ul><li>' Turgor pressure'  or turgidity is the main pressure of the cell contents against the cell wall in plan...
Turgidity <ul><li>Very important for plant strength & metabolism </li></ul><ul><li>A plant with low turgidity is “wilted” ...
Types of Irrigation <ul><li>Surface </li></ul><ul><li>Localized </li></ul><ul><ul><li>Drip </li></ul></ul><ul><ul><li>Spri...
Surface Irrigation – Large Scale <ul><li>Use gullies & aquaducts </li></ul><ul><li>Use flooding </li></ul>
Subirrigation <ul><li>Irrigation water is applied to the roots only through underground pipes </li></ul><ul><ul><li>Areas ...
Localized <ul><li>Drip </li></ul><ul><li>Soakers </li></ul><ul><li>Sprinklers </li></ul><ul><li>Misters </li></ul>
Greenhouse Application <ul><li>Ebb and flow  </li></ul><ul><li>Prevents leaves from getting wet </li></ul><ul><li>Incomple...
Capillary Mats <ul><li>Similar to ebb & flow </li></ul><ul><li>Water is held in a saturated mat </li></ul><ul><li>Algae pr...
Spaghetti tubing <ul><li>Works great for medium and large containers </li></ul><ul><li>Doesn’t work well for small pots or...
Spray/mist  <ul><li>Same delivery system </li></ul><ul><li>Change the head for different purposes </li></ul><ul><li>Mist f...
Typical Drip Irrigation System
Today <ul><li>Read chapter 26. Pages 663 to 675 </li></ul><ul><li>Answer in your notebook: </li></ul><ul><ul><li>What plan...
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Hort Irrigation 1

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Transcript of "Hort Irrigation 1"

  1. 1. Irrigation Term: Turgidity Plant: Nandina
  2. 2. Japanese Barberry <ul><li>Shrub, deciduous </li></ul><ul><li>Hardiness Zones: 4a to 8a </li></ul><ul><li>Height: 3’ to 6’ by Spread : 4’ to 6’ </li></ul><ul><li>Exposure: shade to full sun </li></ul><ul><li>Leaf Color: Green, Purple – Grown for Foliage not blooms </li></ul><ul><li>Has small red berries in fall </li></ul><ul><li>Grows very slowly </li></ul><ul><li>Looks like a red boxwood </li></ul><ul><li>Has small thorns </li></ul>
  3. 3. Turgidity <ul><li>' Turgor pressure' or turgidity is the main pressure of the cell contents against the cell wall in plant cells and bacteria cells, determined by the water content of the vacuole </li></ul>
  4. 4. Turgidity <ul><li>Very important for plant strength & metabolism </li></ul><ul><li>A plant with low turgidity is “wilted” </li></ul><ul><li>Plants can recover if no vessel damage takes place </li></ul><ul><li>Metabolism and growth suffer if turgidity is lost </li></ul><ul><li>Supplemental water (irrigation) is required for any commercial production in VA. </li></ul>
  5. 5. Types of Irrigation <ul><li>Surface </li></ul><ul><li>Localized </li></ul><ul><ul><li>Drip </li></ul></ul><ul><ul><li>Sprinklers </li></ul></ul><ul><li>Sub-irrigation </li></ul>
  6. 6. Surface Irrigation – Large Scale <ul><li>Use gullies & aquaducts </li></ul><ul><li>Use flooding </li></ul>
  7. 7. Subirrigation <ul><li>Irrigation water is applied to the roots only through underground pipes </li></ul><ul><ul><li>Areas with high water table </li></ul></ul><ul><ul><li>Greenhouses </li></ul></ul><ul><li>Area is soaked for an interval and then water is removed by pumps & stored for next watering </li></ul>
  8. 8. Localized <ul><li>Drip </li></ul><ul><li>Soakers </li></ul><ul><li>Sprinklers </li></ul><ul><li>Misters </li></ul>
  9. 9. Greenhouse Application <ul><li>Ebb and flow </li></ul><ul><li>Prevents leaves from getting wet </li></ul><ul><li>Incomplete drainage may cause oxygen problems for root systems </li></ul>
  10. 10. Capillary Mats <ul><li>Similar to ebb & flow </li></ul><ul><li>Water is held in a saturated mat </li></ul><ul><li>Algae problems </li></ul><ul><li>http:// www.ebbandflowmat.com / </li></ul>
  11. 11. Spaghetti tubing <ul><li>Works great for medium and large containers </li></ul><ul><li>Doesn’t work well for small pots or cell packs </li></ul><ul><li>Can be used in greenhouses or outside nurseries. </li></ul>
  12. 12. Spray/mist <ul><li>Same delivery system </li></ul><ul><li>Change the head for different purposes </li></ul><ul><li>Mist for propagation </li></ul><ul><li>Sprinkler for growing </li></ul><ul><li>Also used for cooling and freeze protection </li></ul>
  13. 13. Typical Drip Irrigation System
  14. 14. Today <ul><li>Read chapter 26. Pages 663 to 675 </li></ul><ul><li>Answer in your notebook: </li></ul><ul><ul><li>What plant processes require water? </li></ul></ul><ul><ul><li>Why would water in the soil be unavailable? How can you measure it? </li></ul></ul><ul><ul><li>When is the best time of day to water? </li></ul></ul><ul><ul><li>How can you tell when turfgrass needs water? </li></ul></ul><ul><ul><li>How many inches of water per week do grass & most plants need? </li></ul></ul><ul><ul><li>What is a pop-up sprinkler. Where is it used? </li></ul></ul><ul><ul><li>How deep should the water penetrate in good watering? </li></ul></ul>
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