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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. - PowerPoint PPT Presentation
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HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Vegetative Vegetative Morphology of Morphology of Fruit and Nut Fruit and Nut
CropsCrops
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
The TreeThe Tree
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Fruiting woodFruiting wood
Shoot type: long (bourse) vs. short (spurs)Shoot type: long (bourse) vs. short (spurs)
Flower Bud Position: lateral Vs. terminalFlower Bud Position: lateral Vs. terminal
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Spur branchSpur branch Short lateral Short lateral
branches in which branches in which the internodes are the internodes are extremely short, extremely short, bringing several bringing several leaves close together leaves close together in any given year in any given year and potentially many and potentially many leaf scars close leaf scars close together over together over several years. several years.
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Flower Bud InitiationFlower Bud InitiationWhen does it occur?When does it occur?
Why is this important?Why is this important?
Most initiate the summer before fruitingMost initiate the summer before fruiting– Apple, pearApple, pear– Peach, plum, cherryPeach, plum, cherry– PersimmonPersimmon– Blackberry, blueberryBlackberry, blueberry
Some initiate same year as fruitSome initiate same year as fruit– Fig, 2Fig, 2ndnd crop crop– QuinceQuince– StrawberriesStrawberries
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Bud typesBud types
Leaf versus flower budLeaf versus flower bud
Simple, Mixed, & CompoundSimple, Mixed, & Compound Simple budsSimple buds
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Stem MorphologyStem Morphology
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Bud typesBud types
Mixed Buds = Mixed Buds = contain floral and contain floral and vegetative primordiavegetative primordia
Compound Buds = Compound Buds = formed by multiple formed by multiple budsbuds
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Leaf MorphologyLeaf Morphology
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Leaf MorphologyLeaf Morphology
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Leaf MorphologyLeaf MorphologyLeaf glands on PrunusLeaf glands on Prunus
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Reproductive TypeReproductive Type
Perfect or hermaphroditicPerfect or hermaphroditic– Peach, apple, blackberryPeach, apple, blackberry
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Reproductive TypeReproductive Type
Imperfect flowers - HeterogamousImperfect flowers - Heterogamous– Monoecious, pecan, walnutMonoecious, pecan, walnut
– Dioecious, kiwi, pistachio, persimmonDioecious, kiwi, pistachio, persimmon
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Laboratory ProcedureLaboratory Procedure
Examine vegetative samples of fruit and nut Examine vegetative samples of fruit and nut cropscrops
Answer questions on work sheetsAnswer questions on work sheets Press samples for notebooksPress samples for notebooks
– Label with name & mount next week (8 Label with name & mount next week (8 pts)pts)
Turn in worksheets to lab assistant for Turn in worksheets to lab assistant for grading (17 pts)grading (17 pts)
Put fruit sensory evaluation data in notebookPut fruit sensory evaluation data in notebook
HORT 319 - Temperate Fruit and NuHORT 319 - Temperate Fruit and Nut Productiont Production
Things to learn from this Things to learn from this lablab
Proper terminologyProper terminology
ID all fruit and nut ID all fruit and nut samplessamples– Common and Common and
scientificscientific
Know fruiting habits Know fruiting habits – When, type, positionWhen, type, position– Why important?Why important?
Reproductive typesReproductive types– Perfect Vs. ImperfectPerfect Vs. Imperfect
– Monoecious Vs. Monoecious Vs. DioeciousDioecious
– Protogynous Vs. Protogynous Vs. ProtandrousProtandrous