Vegetative (Asexual) Propagation Types of Vegetative Propagation • Cuttings (stem cuttings, leaf cutting, root cuttings): Begonias, Gardenias, Pineapples, Coleus • Separation/Division: Irises, Sempervivum, Lilies • Grafting: Roses, Walnuts, Apples, Apricots • Layering: Diffenbachia, Rubber Tree (Ficus elastica) Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T1 Vegetative (Asexual) Propagation Stem Cuttings • Use sections of the stem which have leaves. • Treat with rooting hormone to promote root growth. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T2 Vegetative (Asexual) Propagation Leaf Cuttings • Uses a leaf section, petiole, or a cutting of the leaf. • The cutting is then treated with hormones to stimulate root growth. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T3 Vegetative (Asexual) Propagation Root Cuttings • A section of the root is cut and planted. • A new plant grows from the root cutting. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T4 Vegetative (Asexual) Propagation Layering • This method is used mainly with plants which naturally reproduce this way (blackberries & vines). • A section of the stem is scraped and buried. • Roots grow from the buried stem. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T5 Vegetative (Asexual) Propagation Separation • The removal of corms or bulblets from a parent plant. • The small corm or bulb is then used for planting Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T6 Vegetative (Asexual) Propagation Division • Roots and shoots of plants which grow in bunches are dug up and separated. • The divisions are planted. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T7 Vegetative (Asexual) Propagation Grafting • Material from two different woody plants are directly joined. • Used to create plants with disease resistant or dwarfing root stocks. • Plants are specially cut and spliced together. Model Agricultural Core Curriculum: Supplement University of California, Davis 316.T8