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Vegetative Morphology of Fruit and Nut Crops

Vegetative Morphology of Fruit and Nut Crops. The Tree. Fruiting wood. Shoot type: long (bourse) vs. short (spurs) Flower Bud Position: lateral Vs. terminal. Spur branch.

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Vegetative Morphology of Fruit and Nut Crops

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  1. Vegetative Morphology of Fruit and Nut Crops HORT 319 - Temperate Fruit and Nut Production

  2. The Tree HORT 319 - Temperate Fruit and Nut Production

  3. Fruiting wood • Shoot type: long (bourse) vs. short (spurs) • Flower Bud Position: lateral Vs. terminal HORT 319 - Temperate Fruit and Nut Production

  4. Spur branch • Short lateral branches in which the internodes are extremely short, bringing several leaves close together in any given year and potentially many leaf scars close together over several years. HORT 319 - Temperate Fruit and Nut Production

  5. HORT 319 - Temperate Fruit and Nut Production

  6. Flower Bud InitiationWhen does it occur?Why is this important? • Most initiate the summer before fruiting • Apple, pear • Peach, plum, cherry • Persimmon • Blackberry, blueberry • Some initiate same year as fruit • Fig, 2nd crop • Quince • Strawberries HORT 319 - Temperate Fruit and Nut Production

  7. Bud types • Leaf versus flower bud • Simple, Mixed, & Compound • Simple buds HORT 319 - Temperate Fruit and Nut Production

  8. Stem Morphology HORT 319 - Temperate Fruit and Nut Production

  9. Bud types • Mixed Buds = contain floral and vegetative primordia • Compound Buds = formed by multiple buds HORT 319 - Temperate Fruit and Nut Production

  10. Leaf Morphology HORT 319 - Temperate Fruit and Nut Production

  11. Leaf Morphology HORT 319 - Temperate Fruit and Nut Production

  12. Leaf MorphologyLeaf glands on Prunus HORT 319 - Temperate Fruit and Nut Production

  13. Reproductive Type • Perfect or hermaphroditic • Peach, apple, blackberry HORT 319 - Temperate Fruit and Nut Production

  14. Reproductive Type • Imperfect flowers - Heterogamous • Monoecious, pecan, walnut • Dioecious, kiwi, pistachio, persimmon HORT 319 - Temperate Fruit and Nut Production

  15. Laboratory Procedure • Examine vegetative samples of fruit and nut crops • Answer questions on work sheets • Press samples for notebooks • Label with name & mount next week (8 pts) • Turn in worksheets to lab assistant for grading (17 pts) • Put fruit sensory evaluation data in notebook HORT 319 - Temperate Fruit and Nut Production

  16. Proper terminology ID all fruit and nut samples Common and scientific Know fruiting habits When, type, position Why important? Reproductive types Perfect Vs. Imperfect Monoecious Vs. Dioecious Protogynous Vs. Protandrous Things to learn from this lab HORT 319 - Temperate Fruit and Nut Production

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