Chapter 6 Tree selection

Question 1

________ is the ability of a tree to withstand low temperatures and winter stresses in a given site.

Answer 1

Hardiness

Question 2

T/f Although a tree may be considered hardy in a given area, it may decline or die if the roots are unprotected.

Answer 2

True

Question 3

Name 3 site characteristics that must be considered in tree selection.

Answer 3

Growing space

Light conditions

Soil conditions

Climate

Functional requirements

Question 4

Upright, pyramidal and weeping are 3 examples of tree ________ _________ that are important in selection

Answer 4

Growth habits

Question 5

If a particular disease is known to be a problem, a tree species or cultivar should be selected that is _________ to that disease.

Answer 5

Resistant

Question 6

Name 3 plant characteristics that may make a tree aesthetically desirable

Answer 6

Flowers
Fall color
Exfoliating bark
Growth habit

Question 7

__________ is the gradual process by which a tree adapts to changes in its environment

Answer 7

Acclimations

Question 8

T/f a tree listed as adaptable to wet soil conditions will always thrive if planted in those conditions

Answer 8

False

Question 9

Name 5 characteristics to look for when selecting a tree in the nursery

Answer 9

Plentiful light colored, 
healthy roots 
Solid root mass
Good twig extension growth in previous yrs
No major scars or injuries 
No insect or disease problems 
Good branch structure