november 8, 2011 revised september 2013 12/7/2015 4:49:27 am
TRANSCRIPT
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November 8, 2011
Revised September 2013
04/21/23 11:52 AM
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We appreciate the efforts of the following rosarian and fellow hybridizer who contributed much of the procedure for this presentation;
All photos by authors except where credits are given
Please – no commercial use of this program
Steve McCulloch Olympia Rose Society Owner, Mountain Shadow Nursery Past President, International Plant Propagator’s Society Consultant – Rose Hybridizers Association
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Under the law, the grant of a patent includes the “right to exclude others from asexually reproducing the plant or selling or using the plant so reproduced.” Infringement of the patent includes the propagation or sale of a single patented rose, whether for sale or private use without permission.
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The multiplication or reproduction of a kind or species
Via
Sexual methods
Asexual methods
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Propagation from seeds
Pollen is transferred from the anther to the stigma – this is the hybridization process Fertilization occurs and seeds
are produced
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Uses growing plant parts other than the seeds
Types of asexual reproduction Cuttings Layering Division or separation Budding Grafting Tissue culture
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Lets look at how we could make more of these lovelies!
Seattle Sunrise Hot To Trot
Barbara Lynn Judie
Photo by Rich Baer Photo by Corinne Brown
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Any detached plant part which,
when grown under favorable
conditions, will produce a new
plant identical to the parent
plant
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Root
Leaf
Stem – segments of stems containing buds are used to produce new plants Softwood – taken when wood is
relatively soft , usually in summer Hardwood – taken when tissues are
mature and woody, typically in fall
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Gather materials
Obtain and label cuttings
Prepare rooting media
Prepare cuttings
Apply rooting hormone
Place cuttings in media
Protect your cuttings
Let’s take a closer look at each step…
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Place to plant (can you can leave a year?)
Sand
If not in ground; Rooting medium, pots, oasis
Rooting hormone Rootone®, Hormodin®, etc.
Cup, spoon, labels, marking pen/pencil
Pruning shears
Selected plants to obtain cuttings
Water
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Take cuttings in late September – November
Cut stems pencil sized (length and thickness) for all but minis/minifloras
Should have at least 2 sets of leaves
Put a label on to identify
Plunge in a bucket of water before planting
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Cut to pencil length and labeled
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Cuttings Collected
Cuttings identified and in water
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Select a part of garden relatively free of weeds and that gets some shade
Dig a trench 6” deep, keeping one side with a vertical wall
Length – allow 6” spacing for cuttings
Put a couple inches of sand in the bottom of the trench.
Note – can be done in pots with oasis as well
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Getting Trench Ready
6” deep trench with 2” of sand on bottom
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Preparing Growing Container
if using pots Check drainage holes
Fill partially with soil mix and wet it well
Fill container so when you place oasis, the top will be below top of container
Insert wet oasis
Fill container around oasis with soil mix and water well
Repeat for each cutting
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Trim by removing lower leaves
Leave the upper two sets of leaves
Remove prickles (thorns) that will be below the soil level
Trim the lower end just below a bud
Cut at a slight angle
Wound (scrape) lightly below eye
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Cutting ready to have rooting hormone applied
Bud eye
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Rooting hormone, a talc based
powder, such as Rootone®,
Hormodin®, etc. often helps to
promote production of a new root
system
Spoon out a small amount of
powder into a separate container to
avoid contamination of the entire
supply
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Put a small amount in a separate container
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Dip in hormone and tap gently to shake excess – just need a light coating
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Insert cuttings so bottom set of leaves are just at, or slightly above
the soil level
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Side View Drawing
Here is a side view of
a cutting placed in
the trench
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Gently firm the soil around stems, and waterNote: Cuttings were planted in mid-Oct
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When using a container
Make hole in oasis with pencil
Gently insert cutting down into the oasis, until the bud eye of the bottom set of leaves is just below the surface of the oasis
It should go almost to the bottom of the oasis
Gently firm the oasis around the stem
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Using an oasis in ground
Follow the same steps as when using a container as in previous slide
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A cover helps retain moisture, and protects in cold weather
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A 50 degree overcast day
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Use wood blocks – prop up for airflow
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Use a block of oasis and cover with bottle
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Fall and winter weather is also a factor
Be sure and leave the caps off
Too much moisture inside and plants will mold!
Mulch around protective covers in cold weather If in pots, move to sheltered area or bury
Leave plants alone for a year
Then you can dig and transplant
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Leaves are still green with new growth in the leaf axil
Some nice new growth!
Four months since planted!
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Eight months since planted!
4 of the 5 cuttings in
this row survived and are growing
and healthy
This is the first one to
bloom
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One year later
Ready for transplanting!
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Be Patient! Varies by variety
Most will root this way – give it a try!
Don’t be too hasty next spring when new growth appears
Encourage additional shoot formation and branching by removing buds
Keep well watered & fertilize normally during growing season
Leave them to grow in their temp home
Dig and transplant next fall
Lastly – don’t be discouraged!
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Thank You!