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Budding and Grafting
Chuck Ingels
UC Cooperative Extension
Sacramento County
http://cesacramento.ucanr.edu
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The Home Orchard: Growing Your Own Deciduous Fruit & Nut Trees
Ordering:
Visit http://anrcatalog.ucdavis.edu
On the left, enter 3485 under “Browse”
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Fruit Tree Terms
• Rootstock – tree below graft union
• Scion – Tree above the graft union
• Crown: trunk below ground (also canopy)
• Tree size
Standard – 20-25 ft.
Semi-dwarf (dwarfing rootstk) - 12-20 ft.
Genetic dwarf (std. rootstock) - 8-12 ft.
-Peaches, nectarines, citrus
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GRAFT / BUD
UNIONS
English on
Black Walnut
English on
Paradox Walnut
Almond
Apricot
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Genetic Dwarf Peach
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Standard Peach Genetic Dwarf Peach
INTERNODE LENGTH
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Fruit Tree Terms (Cont.)
• Branch – Growth that is 1+ years old
• Shoot: current season elongated growth
• Scaffold branch: main structural limb
• Spur: short fruiting twig
•Water sprout: vigorous shoot from branch
or trunk
• Sucker: shoot from rootstock or roots
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Spurs
Asian Pear Cherry
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Peach Fruiting Branches
Flower
buds
Veg.
bud
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Vascular Tissues
• Phloem – inner bark tissue that conducts
carbohydrates, hormones, etc. from the
site of production to tissues and organs
throughout the tree
Xylem - woody tissue, located inside the
vascular cambium, through which most
of the water and nutrients in a tree are
conducted
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Meristematic Growth
• Meristem – undifferentiated plant tissue from which new cells and new plant tissues arise.
1. Apical meristem – forms terminal growth
2. Vascular cambium (“cambium”) – actively dividing layer of cells between bark and wood; produces new sapwood to the inside and new phloem to the outside; causes thickening
• Callus – undifferentiated tissue that forms a around a wounded plant surface
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Cross-Section of Trunk
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Cross-Section of Trunk
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Growth of Cells 1 Day After Graft
Stock
Scion
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Growth of Callus Cells 5 Days After Graft
Stock
Scion Callus
bridges
Callus
bridges
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Natural Graft between Two Young Stems
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Sequence of Healing of a Graft Union
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Callus & Secondary Tissue Growth after Cleft Graft
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Grafting Terms
• Grafting – branch or bud of a plant inserted into the stem or trunk of another
• Budding / bud grafting - inserting a single bud (scion) onto a stock
• Budwood – current-season’s shoot or 1-year-old branch used for budding
• Scion wood - 1-year-old branch for grafting
• Topworking – grafting onto large limbs to change the species or variety
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Budding and Grafting Reasons
• Produce new fruiting tree from rootstock
sucker of dead, injured, or fruitless tree
• Repair tree with dying trunk
• Add pollenizers
•Make fruit salad trees
•Make tree or shrub with different colored
flowers
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Grafting Rootstock Suckers
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Multi-Graft Trees
Pluots Fruit Salad Tree - FOHC
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Pink-Flowering Almond – FOHC Kiyo’s Tree, Rancho Cordova
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Knives
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Folding T-budding knife with bark lifter
Knife with folding T-budding
and grafting blades
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Simple budding knife
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Folding T-budding knife with
separate bark lifter
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Simple grafting knife
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Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
Popular Grafting Methods
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Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
Popular Grafting Methods
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T-Budding
• Removal of bud of desired variety (without wood), insertion in stock
• Bark must be “slipping”
• Spring branch for current season
Late summer branch for next season
• Use vigorous 1-year-old shoots, > ¼ in.
• Cut branch ½ in. above top of bud to force growth
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T-Budding
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Remove leaves from
scion, leave petiole
T-Budding
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Top of T cut into bark Downward cut into bark
T-Budding Stock
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Peel back bark
T-Budding Stock
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Cut under bud,
starting ½” below bud
Cut through bark only,
½” above bud
T-Budding Scion
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Squeeze bark, remove
bud shield from wood
Or remove thin strip
of wood too
T-Budding Scion
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Insert bud shield into T cut
T-Budding Scion into Stock
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T-Budding Wrap with budding rubber or parafilm
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Bud that “took”
Fall budded, headed in
winter, new spring
growth
T-Budding
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Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
Popular Grafting Methods
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• Removal of bud of desired variety (with
wood), insertion in stock
• Bark doesn’t need to be “slipping”
• Done in dormant season, early spring
(budwood stored in fridge), or late summer
• Use vigorous 1-year-old branches > ¼ in.
• Cut branch ½ in. above top of bud to force
growth
Chip Budding
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Budwood for Chip Budding
• Collect just before budding
• Base of current-season, fast-growing shoots
(late summer) OR 1-year-old dormant
branches (late winter / early spring)
• Buds that are mature, leaves removed
• Refrigerate immediately if needed, store in
plastic bag with moist paper towel or
newspaper
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Chip Budding
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Chip Budding
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Remove leaves from
scion, leave petiole
Chip Budding Scion
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Angled cut ½”
below bud
Cut under bud to
first angled cut
Chip Budding Scion
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Chip (inverted) with
angled cut ½” below
bud
STOCK
Make the same two
cuts in the stock
1
2
Chip Budding
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Chip inserted into
stock
Smaller chip inserted
on one side
Chip Budding Scion into Stock
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Chip Budding Parafilm Wrapped (Single wrap over bud)
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Forcing Growth (if needed)
Girdling (Shown Here)
and Notching
3 months after
spring girdling
Dormant
season
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Popular Grafting Methods
Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
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Whip Graft
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Whip Graft
• Removal of 1-yr.-old branch of desired
variety, insertion in stock (tongue in groove)
• Done before bud swell
• 1-year-old wood – match size
• Angled cut 1-1½ in. long in stock, scion
• Vertical cut 1/3 the distance from cut tip
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WRONG!
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Stock & scion of similar caliper
Make 1” to 1 ½” angled
cuts in stock & scion
Whip Graft
![Page 57: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/57.jpg)
Slice off
“tail”
Equal
cuts in
stock &
scion
Top of
stock
Bottom
of scion Whip Graft
![Page 58: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/58.jpg)
¼” vertical cut
starting 1/3 the
distance from the tip
Twist the knife
outward to make
insertion easier
Whip Graft
![Page 59: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/59.jpg)
Scion
inserted
into stock
Parafilm
tape
wrapped
Whip Graft
![Page 60: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/60.jpg)
3 weeks later Remove competing shoots
Whip Graft
![Page 61: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/61.jpg)
Whip Grafting on an Older Branch or Trunk
![Page 62: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/62.jpg)
Whip Grafting on an Older Branch or Trunk
![Page 63: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/63.jpg)
Whip Grafting on an Older Branch or Trunk
![Page 64: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/64.jpg)
Whip Grafting on an Older Branch or Trunk
![Page 65: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/65.jpg)
Whip Grafting on an Older Branch or Trunk
![Page 66: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/66.jpg)
Commercial Walnut
Grafting (early spring)
Make cuts in bark a
few days before
grafting
![Page 67: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/67.jpg)
Angled cut on stock
Vertical cut on stock
![Page 68: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/68.jpg)
Angled cut on scion
Vertical cut on scion
![Page 69: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/69.jpg)
Scion inserted into
stock
Wrap graft union
![Page 70: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/70.jpg)
Graft wrapped
Wax over tape if
tape is not airtight;
wax over top cut
![Page 71: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/71.jpg)
Months later
Lower shoots weren’t
removed
![Page 72: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/72.jpg)
No stake was used
Staked shoot
![Page 73: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/73.jpg)
Topworking
![Page 74: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/74.jpg)
Popular Grafting Methods
Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
![Page 75: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/75.jpg)
In spring:
Cut off limb, scrape bark
In winter:
Choose scion wood with
plump buds
Bark Graft
![Page 76: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/76.jpg)
Make long
sloping cut
Make small
sloping cut
on back
side
Choose 1-yr.old
scion below bend
Bark Graft
![Page 77: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/77.jpg)
Make 2 cuts through bark the width of the scion
Bark Graft
![Page 78: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/78.jpg)
Peel back bark
between cuts
Cut bark flap,
insert scion
Bark Graft
![Page 79: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/79.jpg)
Inserted scion, nail
in flap & scion Wax over all cuts
Bark Graft
![Page 80: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/80.jpg)
Dual sloping cuts
Alternative Bark Graft Method
Use single cut in bark,
push knife laterally
![Page 81: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/81.jpg)
Insert scion Inserted scion (no nail)
Alternative Bark Graft Method
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Wrap tightly with
plastic tape
Wax over tape &
all cuts
Alternative Bark Graft Method
![Page 83: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/83.jpg)
Popular Grafting Methods
Budding
• T-budding
• Chip budding
Grafting
•Whip graft
• Bark graft
• Cleft graft
![Page 84: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/84.jpg)
Choose 1-yr.old
scion below bend Split stock
Hold stock
open
Cleft Graft
![Page 85: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/85.jpg)
Make 2 slicing cuts at base of scion,
slightly angled to each other
Cleft Graft
![Page 86: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/86.jpg)
Make angled cut at base Insert scion in stock
Cleft Graft
![Page 87: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/87.jpg)
Scion inset
in stock Match cambiums Use 2 scions for
large stocks
Cleft Graft
![Page 88: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/88.jpg)
Pat on
grafting wax Wrap tightly with grafting tape
Cleft Graft
![Page 89: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/89.jpg)
Two Other Topworking Methods
Side Graft
Saw Kerf Graft
![Page 90: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/90.jpg)
Side Graft
![Page 91: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/91.jpg)
Saw Kerf (Cut) Grafting
![Page 92: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/92.jpg)
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What Topworking Would You Do in This Situation?
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Innovative Grafting
![Page 105: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/105.jpg)
Approach Graft
![Page 106: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/106.jpg)
Inarching
![Page 107: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/107.jpg)
Bridge Graft
![Page 108: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/108.jpg)
Arborsculpture
![Page 109: Budding and Graftingccag-eh.ucanr.edu/files/241489.pdf · Budding and Grafting Reasons •Produce new fruiting tree from rootstock sucker of dead, injured, or fruitless tree •Repair](https://reader030.vdocuments.us/reader030/viewer/2022040302/5e83d3886ccd013683570044/html5/thumbnails/109.jpg)
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Tie Down Branch Beyond Graft
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Slicing cut 1
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Slicing cut 2
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Cuts
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Square of
Cambial
Contact
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Grapevine Propagation
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Grape Bud
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Cane Stocks Debudded
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Scions
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Scions Cut
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Putting Scions Together
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Omega Grafting Machine
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Growing Grapes from Cuttings
• Take cutting from dormant vine, ½ in. dia.
• Cut to 18 in. long
• Cut off all buds but the upper 2
• Stick in loose soil, upper 2 buds exposed
• Plant 2 per hole, remove weaker one
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Questions?