HORT 217 Final Exam Study Guide
INDUSTRY
To measure tree caliper, you take the measurement ___ above the ground for a tree up to
and including ___". For trees over ___ caliper, take the measurement at ___" above the
ground (or technically from the root flare)
6", 4", 4", 12"
According to the ASNS (American Standard for Nursery Stock), the upper limit for
determining average height for a type 4 coniferous evergreen (ex. Norway Spruce) is
midpoint between the uppermost whorl and tip of the leader.
true
According to the ASNS (American Standard for Nursery Stock) caliper is the governing
measurement for multi-stem trees.
false
Branching height is the height to which the tree is free from branching
true
A cane is a primary stem which starts from the ground or rather close to the ground.
true
, Shade trees are graded in 1/4" intervals up to 2" caliper, then in 1/2" intervals to 4" caliper
and by 1" intervals thereafter
true
rule of thumb for plant ball diameter sizes is generally ___ inches in ball diameter for each
inch caliper
10-12"
When specifying groundcover, note that available root condition includes _____.
(all of the above)
rooted cuttings, 2 1/4" peat pots, 1 gallon containers
According to the ASNS (American Standard for Nursery Stock) height is the governing
measurement for shade trees
false
Which of the following is important to include on a plant schedule?
(all of the above)
size of plant, botonical name, common name, quantity
(GROUP 6 - LARGE SHRUBS)
Which of the following has most resistance to powdery mildew?
Syringa pubescens ssp. patula 'Miss Kim'
Which of the following is not considered invasive?
INDUSTRY
To measure tree caliper, you take the measurement ___ above the ground for a tree up to
and including ___". For trees over ___ caliper, take the measurement at ___" above the
ground (or technically from the root flare)
6", 4", 4", 12"
According to the ASNS (American Standard for Nursery Stock), the upper limit for
determining average height for a type 4 coniferous evergreen (ex. Norway Spruce) is
midpoint between the uppermost whorl and tip of the leader.
true
According to the ASNS (American Standard for Nursery Stock) caliper is the governing
measurement for multi-stem trees.
false
Branching height is the height to which the tree is free from branching
true
A cane is a primary stem which starts from the ground or rather close to the ground.
true
, Shade trees are graded in 1/4" intervals up to 2" caliper, then in 1/2" intervals to 4" caliper
and by 1" intervals thereafter
true
rule of thumb for plant ball diameter sizes is generally ___ inches in ball diameter for each
inch caliper
10-12"
When specifying groundcover, note that available root condition includes _____.
(all of the above)
rooted cuttings, 2 1/4" peat pots, 1 gallon containers
According to the ASNS (American Standard for Nursery Stock) height is the governing
measurement for shade trees
false
Which of the following is important to include on a plant schedule?
(all of the above)
size of plant, botonical name, common name, quantity
(GROUP 6 - LARGE SHRUBS)
Which of the following has most resistance to powdery mildew?
Syringa pubescens ssp. patula 'Miss Kim'
Which of the following is not considered invasive?
