Grafting Flashcards

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1
Q

The ability of the bark to be separated from the wood at certain times of the growing season due to high levels of callus production by the vascular cambium

A

Bark slippage

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2
Q

A type of repair grafting in which scions are grafted to the trunk of the original tree in such a way as to conduct water and carbohydrates across a damaged area of the trunk

A

Bridge grafting

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3
Q

Grafting technique where the scion is a small piece of bark, sometimes with wood, containing one bud

A

Budding

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4
Q

A double graft involving a rootstock, interstock, and scion whether done in one or two steps

A

Doubleworking

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5
Q

The juncture at which the scion and stock of a grafted plant have successfully united

A

Graft union

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6
Q

The art of joining parts of plants together in such a manner that they will unite and continue their growth as one plant

A

Grafting

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7
Q

A type of repair grafting in which seedlings or suckers at the base of the original tree are grafted into the trunk to provide a new root system for a tree with damaged roots

A

Inarching

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8
Q

The inability of a grafted scion and stock to produce a successful graft union or to have the resulting grafted plant develop satisfactorily

A

Incompatibility

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9
Q

Between individuals of different taxonomic families

A

Interfamilial

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10
Q

Between individuals of the same family, but different genera

A

Intergeneric

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11
Q

Between individuals of the same genus, but different species

A

Interspecific

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12
Q

An intermediate stem or bud piece grafted between a scion and rootstock

A

Interstock

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13
Q

Between individuals of the same species, but different clones or cultivars

A

Intraspecific

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14
Q

Early flowering

A

Precocity

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15
Q

The lower or root-bearing portion of a grafted plant

A

Rootstock

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16
Q

The upper portion or top of a grafted plant

A

Scion

17
Q

Changing the scion variety or cultivar by grafting onto usually established plantings or rootstocks for the purpose of replacing undesirable cultivars, establishing pollinators, or several scion cultivars on one stock (e.g. “fruit cocktail” tree)

A

Topworking

18
Q

Reasons to graft

A

Cutting prop. sometimes impractical
- Ex: Fruit and nut trees; some woody ornamentals

Rootstock benefits
- Ex: hardiness, pest resistance, disease resistance, soil type, etc

Interstock benefits
- Ex: overcome certain types of graft incompatibility; Obtain favorable characteristics not in scion or rootstock

Change cultivar of established plantings

Hasten flowering and fruiting of seedlings

Obtain special forms of plant growth (e.g. dwarf cultivar)

Repair damaged trees

19
Q

Types of rootstock

A

Seedling
• Easy and economical
• Viruses usually not seed transmitted
• Sometimes better root system

Clonal
• Uniformity
• Preserves special characteristics and influences