Vegetative Morphology of Fruit and Nut Crops

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Presentation transcript:

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

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

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

HORT 319 - Temperate Fruit and Nut Production 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

HORT 319 - Temperate Fruit and Nut Production

Flower Bud Initiation When 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

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

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

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

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

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

Leaf Morphology Leaf glands on Prunus HORT 319 - Temperate Fruit and Nut Production

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

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

HORT 319 - Temperate Fruit and Nut Production 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

Things to learn from this lab 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 HORT 319 - Temperate Fruit and Nut Production