Plant Propagation for the Master Gardener 2€¦ · Microsoft PowerPoint - Plant Propagation for...
Transcript of Plant Propagation for the Master Gardener 2€¦ · Microsoft PowerPoint - Plant Propagation for...
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PLANT PROPAGATION
For the Master Gardener
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WHY DO WE PROPAGATE ?What are the main reasons for propagation of
plants?2
WHY DO WE PROPAGATE ?
• Food
• Clothes
• Timber
• Pharmaceuticals
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MANS BASIC NEEDSFood, Clothing, and Shelter
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SEXUAL PROPAGATIONThe most cost effective method in agriculture
Coco de Mer, Lodoicea maldivica
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SEXUAL PROPAGATIONA seed is an embryonic plant enclosed in a protective outer
covering called a seed coat or testa6
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THE TOOLSTools most propagators need
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CORONA OR FELCOBest shears for our needs in Southern California
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MY NEW CHOICE FORGrafting knife, fold, locks and very thin blade
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THE TOOLS
• Quality pair of hand pruners
• A pair of grape shears or scissors
• A knife
• Grafting or budding knife
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ASEXUAL PROPAGATIONVegetative Propagation (Cloning)
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ASEXUAL PROPAGATION
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CUTTINGS
• Softwood cuttings
• Semi-hardwood cuttings
• Hardwood cuttings
• Leaf cuttings
• Root cuttings
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THE MEDIUMSoil serves as a medium for supporting plant growth
and development14
GRAFTINGWhip and Tongue
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GRAFTING
• Scion may be a single bud, small twig with several buds, a stem such as a succulent, or terminal shoot in an evergreen
• Rootstock the foundation to improve vigor, change form, improve fruit bearing quality,
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DIVISIONSPlant propagation by separation from parent
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DIVISION
• Sever from original plant-(runner) strawberry, blackberry suckers
• Simple separation of parts not rooted-such as tulip bulblets or hen-and-chicks offsets
• Rough division with spade or saw-canna, rhubarb or herbaceous perennials
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DIVIDE WITH A KNIFEor use a small or large shovel
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IN VITROTechnique carried out under aseptic conditions
using filtered air and sterile environment21
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PLANTS IN AGARTypically for high value propagation
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TISSUE CULTURE
• Explants are placed on solid culture medium
• Medium contains salts plus organic nutrients, vitamins and hormones
• Medium is prepared by adding a gelling agent such as agar
• Cultures develop and grow, peeled off and subcultured
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NOW A WORDFrom our Sponsor
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MISSION HILLS NURSERYwww.missionhillsnursery.com
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