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Asexual

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by

Lucas Musich

on 30 April 2010

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Transcript of Asexual

Propagating Plants Asexually [Stem Cutting ]

A portion of the stem that contains a terminal bud or lateral bud, is cut and placed in growing media to produce roots. Softwood cutting From soft, succulent growth. Hardwood cuttings From one year old growth, deciduous, or evergreen. Semi-hardwood cuttings From woody broad-leaved plants
with new shoots. Leaf cuttings consisits of only a leaf blade or a leaf blade
with a petiole attached. Leaf bud cutting Consists of a leaf, petiole, and a short piece of stem with a lateral bud. Type of plants that are typicaly
propagated by stem cuttings. Honeysuckle, grape, currant,
willow, and poplar. Many evergreens as well. Plants that are typically propagated
by leaf cuttings. African Violet, jade plant, rex begonia,
sansevieria, and some peperomias. Different Types of Growing Media Peat moss and perlite mixture, vermiculite, sand, and a sand and peat moss mixture. [Layering] Layering is a method of asexual propagation where roots are formed on a stem while it is still attached to the parent plant. [Grafting] Is the process of connecting two plants or plant parts together so they will unite and grow as one. Whip and tongue graft Joins small scion and rootstock together
(usually under 1 inch in diameter) Cleft graft joins small scion to larger rootstook;
usually done is winter. Bark graft Similar to cleft graft except done in early
spring when bark is easily separates from wood. Budding Similar to grafting except
thatt the scioon is reduced to a single bud. T- budding Taking buds from one plant and inserting them under bark or rootstock. Patch budding Bud is "patched" onto stem when the bark is thick. Plants that are typically propagated by layering. Climbing roses, foursythia, rhododendron, honeysuckle, boxwood, azalea, and wax myrtle. Plants typically propagated by seperation and division. Snake plant, iris, prayer plant, and day lilies. Plant seperation Method in which natrual structures are removed fromt he parent plant and planted to grow. Plant division Method in which parts of plants are cut into sections that will grow naturally into new plants. Simple layering Branches are bent to the ground and portions of branches are covered with soil. Air layering This type removes a portion of the bark on the stem and covers it with moistened sphagnum moss. Then covered with plastic to prevent it from drying out. Tissue culture Growing peices of plants called explants on an artificial medium under sterile conditions. Plants that are typically propagated by tissue culture. All plants! Asexual propagation is the reproduction of new plants from stems, leaves, or roots of a parent plant. Created by Kat Alli Bailey Josh THE END
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