propagating plants with stem cuttings mariposa master gardener helen willoughby-peck
TRANSCRIPT
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PROPAGATING PLANTS WITH STEM CUTTINGS
Mariposa Master GardenerHelen Willoughby-Peck
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Cloning or Asexual
After seeds, stem cuttings are the most widely used form of plant
propagation
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• Types of cuttings
• Choosing plant material
• Environmental factors that affect success
• Step- by step / Hands on
Today’s Agenda
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Why Propagate Using Cuttings? Free or close to free
Identical to parent plant
A better idea of what the mature plant will look like
More volume for mass plantings
Satisfaction factor
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Rooting in Water
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Root Development
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Spring Softwood (Tip) Cuttingslush tender new growth
Advantages• quick root development• faster leaf out and growth
Disadvantages• tender/easy bruised• quickly dry out so require
more attention to their environment
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Fall/Early Winter Semi Hardwood Cuttings Partially matured wood from current season’s growth taken in late summer to early winter
Advantages• Stems are hardier and
better suited to handling and some neglect
Disadvantages• Slower to root• Often don’t show new
growth until following spring
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Late Fall/Winter Hardwood Cuttingsdormant woody stems taken in late fall, winter, early spring after leaves have fallen off
Advantages• Requires little
environmental control
Disadvantages• Usually not a productive
plant until 1 year later
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Choosing Plant Materials
• Healthy – pest & disease free• Younger plants work better• Lateral shoots work better
than terminal shoots• Taken in the early morning• Well hydrated• Keep cool, hydrated and out
of direct light if not planting immediately (refrigerate if storage is necessary)
Terminal
Lateral
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Environmental Factorsfor successful rooting
Sanitation
1 part bleach to 9 parts water
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Planting Medium
• Peat• Vermiculite• Perlite• Sand• Potting mix
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Air
• Temperature should remain around 65-75
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Humidity
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Bright But Indirect Light
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Hardwood Cuttings
•Deciduous plants that have lost the leaves
•Last season’s growth
•Stems cut from 6 to 20 inches long
•Central or basal (bottom) cuttings
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Bundling in Sawdust
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Rooting Outdoors
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Cuts for Difficult to Root Plants
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Don’t Give Up Too Soon!