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Introduction to Horticulture Plant: Peach Tree Term: Drupe
Peach tree Prunus perisca <ul><li>Deciduous flowering Tree  </li></ul><ul><li>USDA Hardiness Zones:  5b to 8a  </li></ul><...
Drupe : <ul><li>A stone fruit having a hard, nut-like inner part surrounded by a fleshy or fibrous outer layer (i.e. cherr...
Open form <ul><li>Pruned to  </li></ul>
Propagating Fruit <ul><li>Apples </li></ul><ul><ul><li>Cross pollinated </li></ul></ul><ul><ul><li>Seed will not grow true...
Growing Peaches <ul><li>Peaches are very sensitive to disease, drought and cold </li></ul><ul><li>Peaches have a chilling ...
Annual Cycle for Fruit
Grafting <ul><li>Bottom is root stock </li></ul><ul><li>Top is scion  </li></ul>
Virginia Varieties <ul><li>Select variety based on chilling period – need >800 chilling hours for Virginia </li></ul><ul><...
Virginia Peaches <ul><li>Some fruit produced by third year </li></ul><ul><li>Full fruit production by 6 or 7 th  year </li...
Types of grafting
Creative grafting
Cleft Graft
Bark Graft
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11 17 Peaches Drupes

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Transcript of "11 17 Peaches Drupes"

  1. 1. Introduction to Horticulture Plant: Peach Tree Term: Drupe
  2. 2. Peach tree Prunus perisca <ul><li>Deciduous flowering Tree </li></ul><ul><li>USDA Hardiness Zones: 5b to 8a </li></ul><ul><li>Height & Spread: 15 to 25 ft </li></ul><ul><li>Exposure: full sun for optimum fruit growth </li></ul><ul><li>Fruit: Mid July to Mid August </li></ul><ul><li>Soil: moist neutral to acidic, Well drained </li></ul>
  3. 3. Drupe : <ul><li>A stone fruit having a hard, nut-like inner part surrounded by a fleshy or fibrous outer layer (i.e. cherry, peach, olive, walnut); </li></ul>
  4. 4. Open form <ul><li>Pruned to </li></ul>
  5. 5. Propagating Fruit <ul><li>Apples </li></ul><ul><ul><li>Cross pollinated </li></ul></ul><ul><ul><li>Seed will not grow true </li></ul></ul><ul><ul><li>Seeds can be used to grow root stock </li></ul></ul><ul><ul><li>Cuttings (genetically identical) used for scions </li></ul></ul><ul><li>Peaches </li></ul><ul><ul><li>Self pollinated </li></ul></ul><ul><ul><li>Seed usually grows true </li></ul></ul><ul><ul><li>Growing from seed takes longer </li></ul></ul><ul><ul><li>Most commercial growers used grafted plants </li></ul></ul>
  6. 6. Growing Peaches <ul><li>Peaches are very sensitive to disease, drought and cold </li></ul><ul><li>Peaches have a chilling requirement expressed in # of hours below 45 deg F </li></ul><ul><li>All non-citrus fruits & nuts have a winter dormancy period </li></ul><ul><li>There are two phases: </li></ul><ul><ul><li>Endo-dormancy – winter cold – certain # hours rqd </li></ul></ul><ul><ul><li>Ecto-dormancy – spring warmth – spurs budding </li></ul></ul>
  7. 7. Annual Cycle for Fruit
  8. 8. Grafting <ul><li>Bottom is root stock </li></ul><ul><li>Top is scion </li></ul>
  9. 9. Virginia Varieties <ul><li>Select variety based on chilling period – need >800 chilling hours for Virginia </li></ul><ul><li>Freestone or Cling stone </li></ul><ul><li>Peaches and nectarines are basically the same. Nectarines have been bred for fuzzless skin. </li></ul><ul><li>Do not require cross pollination </li></ul><ul><li>Irrigation is usually required in Va. during July and August </li></ul>
  10. 10. Virginia Peaches <ul><li>Some fruit produced by third year </li></ul><ul><li>Full fruit production by 6 or 7 th year </li></ul><ul><li>Redhaven, Cresthaven, Encore, Harken, and Harcrest are best varieties for Virginia’s winters. </li></ul><ul><li>Trunks are frequently painted white in winter to decrease temperature changes. </li></ul>
  11. 11. Types of grafting
  12. 12. Creative grafting
  13. 13. Cleft Graft
  14. 14. Bark Graft
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