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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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