Exam

Question 1

Associate with stratification?

Answer 1

cool and moist

Question 2

Semi-hardwood window?

Answer 2

Mid July to Sept

Question 3

Leaf bud cutting is used when

Answer 3

cutting material is in short supply

Question 4

What tissue contains no meristematic tissue?

Answer 4

leaf

Question 5

Name 4 groups that are asexually propagated?

Answer 5

broadleaf evergreens
flowering shrubs
evergreens
vines

Question 6

carbohydrate shunting is a problem with

Answer 6

hardwood cuttings

Question 7

reasons to propagate asexually

Answer 7

maintenance of clones
seedless plants
avoidance of long juvenile periods
control of growth form
combo of clones
superior economics

Question 8

4 types of cuttings

Answer 8

leaf
stem (softwood, semi-hardwood, hardwood, herbaceous)
leaf bud cutting
root cutting

Question 9

factors affecting rooting

Answer 9

physiological condition of the plant
juvenility
timing
condition of the wood
type of growth

Question 10

scion

Answer 10

short detached shoot containing dormant buds, upper portion of rootstock graft

Question 11

interstock

Answer 11

a piece of stem connect to the scion and stock that is compatible with both

Question 12

Formation of a graft union (5)

Answer 12

stock and scion are compatible
cambial regions have immediate contact and held tight
proper physiological stage
cut surfaces are covered promptly
aftercare

Question 13

healing process

Answer 13

establishment of intimate contact
production of callus
new cambium through callus bridge
formation of phloem and xylem

Question 14

Reasons to graft

Answer 14

perpetuating clones cannot be grafted asexually
benefits of rootstocks
special forms of growth
changing cvs
repairing damaged trees
studying viruses
hastening reproductive maturity of seedlings

Question 15

types of grafts

Answer 15

splice, cleft, saddle, whip and tongue, wedge

Question 16

what is bench grafting?

Answer 16

indoor grafting (Nov-May)

Question 17

When is the fall budding period

Answer 17

July to early Sept

Question 18

What does budding require?

Answer 18

bark must be slipping
must be healthy well developed buds present

Question 19

Storage for scion wood

Answer 19

5C for short period 0C for long

Question 20

Selection of scion

Answer 20

one year old of less
healthy well developed buds
vigorous, well matured buds
basal two thirds used
collection late nov to march

Question 21

Why do we do spring budding?

Answer 21

a way to fix mistakes from fall budding, happens in May
fall preferred because season is longer, no need to store scion, and slower time of year