Chapter 6 Tree Selection Flashcards
Functional Goals
In landscape design, the set of goals pertaining to the future needs and function of the site.
Adaptability
genetic ability of plants and other living organisms to adjust or acclimate to different environments
Acclimation
physiological or morphological adaptation process of plants and other living organisms to a climate or environment different from their native environment or where originally grown
Site analysis
(1) Consideration and evaluation of the conditions, restrictions, and environment of a planting site.
(2) consideration and evaluation of a construction or development site requiring a tree conservation or preservation plan.
Microclimate
small area with climatic characteristics that distinguish it from its immediate surrounding area
Site Characteristics of Climate
Hardiness zone
Rainfall / snowfall amount
Sunlight / other lighting
Prevailing winds
Exposure
Site Characteristics of Soil
pH
Texture
Bulk density
CEC
Nutrient analysis
soil volume
Site Characteristics of Planting Site
Buildings and other surfaces
Paved Surfaces
Plans for future development
overhead and underground utilities
intended use of the site
intended function of the plant
Site Characteristics of Other Plantings
other trees and shrubs already there
planting beds in the way
ground covers and flowers
turf
Site Characteristics of Maintenance to be provided
Irrigation needed
Post planting care
on going maintenance
Tree Characteristics
hardiness
growth habit
size
attributes fruit and flowers
resistance to insects and diseases
drought tolerance
tolerance of drainage problems
pH requirements
salt tolerance
light requirements
known problems
maintenance requirements
Design Criteria
(1) Aspects of the landscape or site and the required functions to be served by the plant that must be considered in plant selection
(2) factors considered in the design of equipment
growth rate
speed at which something grows
Exfoliating Bark
flaking or peeling bark
habit
characteristic form or manner of growth
Hardiness
Genetically determined ability of a plant to survive low temperatures
Pest Resistance
in plants, the tendency to withstand or to not develop certain pest problems
Susceptibility
extent to which a tree would suffer from a pest or pathogen if exposed
Native Species
Introduced Species
Naturalized Species
Name Five species that would not be appropriate for planting under utility wires.
a.
b.
c.
d.
e,
_________ is the ability of a tree to withstand low temperatures and winter stresses in a given site.
Hardiness
True / False Although a tree may be considered hardy in a given area, it may decline or die if the roots are unprotected.
True
Name three site characteristics that must be considered in tree selection.
a. light
b. water
c. drainage
d. function
Upright, pyramidal, and weeping are three examples of tree ____________ ______________ that are important to selection.
Growth rate
If a particular disease is known to be a problem, a tree species or cultivar should be selected that is ____________ to that disease.
Resistant
Name three plant characteristics that may make a tree aesthetically desirable.
a. flowers
b. fruit
c. attractive bark
_________ is the gradual process by which a tree adapts to changes in its environment
Adaptability
True/False A tree listed as adaptable to wet soil conditions will always thrive if planted in those conditions.
False
Name five characteristics to look for when selecting a tree in the nursury.
a. trunk flare
b.
c.
d.
e.
The climatic factor that determines hardiness zones is
a. north - south location
b. temperature, rainfall, and winds
c. east - west locations
d. low temperature extremes
d. low temperature extremes
Trees to be planted under utility lines should be
a. tolerant of heavy top pruning
b. low - growing to remain below lines
c. vase shaped or overarching to clear conductors
d. all of the above
d. all of the above
Sometimes trees acclimate to shade conditions by
a. developing larger leaves
b. developing thinner leaves
c. variegated foliage losing variegation, or colored foliage tending to be greener.
d. all of the above
d. all of the above
Fastigiate trees have a growth form that is
a. upright
b. weeping
c. overarching
d. vase-shaped
a. upright
Which of the following is a true statement
