PLANT PROPAGATION For the Master Gardener 1 WHY DO WE PROPAGATE ? - PDF document

5/11/2020 PLANT PROPAGATION For the Master Gardener 1 WHY DO WE PROPAGATE ? What are the main reasons for propagation of plants? 2 WHY DO WE PROPAGATE ? • Food • Clothes • Timber • Pharmaceuticals 3 1

5/11/2020 MANS BASIC NEEDS Food, Clothing, and Shelter 4 Coco de Mer, Lodoicea maldivica SEXUAL PROPAGATION The most cost effective method in agriculture 5 SEXUAL PROPAGATION A seed is an embryonic plant enclosed in a protective outer covering called a seed coat or testa 6 2

5/11/2020 THE TOOLS Tools most propagators need 7 CORONA OR FELCO Best shears for our needs in Southern California 8 MY NEW CHOICE FOR Grafting knife, fold, locks and very thin blade 9 3

5/11/2020 THE TOOLS • Quality pair of hand pruners • A pair of grape shears or scissors • A knife • Grafting or budding knife 10 ASEXUAL PROPAGATION Vegetative Propagation (Cloning) 11 ASEXUAL PROPAGATION 12 4

5/11/2020 CUTTINGS • Softwood cuttings • Semi-hardwood cuttings • Hardwood cuttings • Leaf cuttings • Root cuttings 13 THE MEDIUM Soil serves as a medium for supporting plant growth and development 14 GRAFTING Whip and Tongue 15 5

5/11/2020 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, 16 17 DIVISIONS Plant propagation by separation from parent 18 6

5/11/2020 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 19 DIVIDE WITH A KNIFE or use a small or large shovel 20 IN VITRO Technique carried out under aseptic conditions using filtered air and sterile environment 21 7

5/11/2020 PLANTS IN AGAR Typically for high value propagation 22 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 23 NOW A WORD From our Sponsor 24 8

5/11/2020 MISSION HILLS NURSERY www.missionhillsnursery.com 25 26 9