Module 3

Question 1

A cutting is a piece of _________ tissue

Answer 1

vegetative

Question 2

What are the 4 cutting types?

Answer 2

Stem, Leaf, Leaf-Bud, Root

Question 3

Why don’t you want too much leaf tissue on a stem cutting?

Answer 3

too much transpiration will dehydrate the cutting

Question 4

What are 5 types of stems to cut from?

Answer 4

Hardwood,
Herbaceous,
Semi-hardwood,
Deciduous hardwood,
Narrow-leaved Evergreen

Question 5

Soft-wood stem cuttings should be taken in which season?

Answer 5

Spring, from new growth

Question 6

Semi-hardwood cuttings should be taken in which season?

Answer 6

midsummer, when new growth has produced a little wood

Question 7

Deciduous hardwood stem cuttings should be taken in which season?

Answer 7

Late winter, early spring

Question 8

Narrow Leaved Evergreen hardwood stem cuttings should be taken in which season?

Answer 8

Early winter

Question 9

Where does the adventitious root come out of on a leaf cutting? (2)

Answer 9

Petiole or from slits in primary veins

Question 10

Leaf-bud cuttings include the leaf and bud, where will a new stem come out of?

Answer 10

The bud

Question 11

When should root cuttings be taken and why?

Answer 11

Late winter or early spring - time of year when most food is stored in the roots

Question 12

What are some factors to consider in cuttings? Name 3 of 6

Answer 12

Source of cutting material
Time of year
Etiolation
Treatment with auxins
Misting
Bottom heat

Question 13

What is etiolation?

Answer 13

• Growth of shoots with little or no light
• Stem tissue is more likely to develop roots if grown in the dark
• Theory is that in the stem you have hormone called auxin which is broken down by light. So, if you have a stem that’s been growing in the darkness you have more active auxin in stem.

Question 14

It’s recommended to keep base of cuttings at ___degrees, top of cuttings at ___ degrees

Answer 14

24, 18.5

Question 15

You will have more success if source plant has been growing in ______ _____, at a ______ ________, and accumulated ____________.

Answer 15

full sun at a moderate rate, accumulated carbohydrates

Question 16

Why shouldn’t you take cuttings with flowers on them?

Answer 16

• Too much of the energy will go towards the flower to produce seeds
• Want energy to go to producing roots no reproductive tissue on cutting

Question 17

Indo-acetic acid comes in two forms and is used for what?

Answer 17

powder or gel, stimulate root growth

Question 18

What’s it called when someone “creates” a cultivar and registers it with the government?

Answer 18

Breeder’s rights.