2025/2026 NEW EDITION
Where should you prune a tree? - Ans Before the branch collar
What is tree diversity? - Ans Having a selec on of different trees
How can diversity be quan fied? - Ans Species, genera, family
When selec ng a tree, how is cold tolerance used? - Ans Finding a tree that can withstand the
mean annual minimum temperature of the area it is to be planted
How is available tree roo ng area and compa bility of the final plan ng site used to select
urban trees? - Ans Trees that have an appropriate roo ng size for the area it has to grow in (if
there is too large of a root system, it can cause damage)
What are two effects of inadequate soil volume on tree growth and longevity? - Ans 1. Trees
are smaller
2. Trees live for a shorter amount of me
What are some example benefits of the urban forest? - Ans Stress levels reduced, shade,
aesthe cs, water incep on, energy conserva on, reduc on in violence, retail commerce,
tradi onal forest products
What four variables are used to account for the compensatory value of a landscape tree? - Ans
Size, condi on, loca on, species
, Is the UWSP urban forest providing more benefits than costs associated with managing this
tree popula on? - Ans Yes
Where should the structural roots be at plan ng? - Ans Right below the surface of the earth
Insect part of Dutch Elm Disease - Ans Elm Bark Beetle
Insect part of Oak Wilt - Ans Sap feeding beetle
How does the host get infected with OW? - Ans Through an open wound
What is a symptom? - Ans The plant expression to the problem
What is a sign? - Ans The actual agent that causes the plant disorder
What is a symptom of DED? - Ans Canopy leaf flagging
What is canopy leaf flagging? - Ans Leaf yellowing to browning
What is a symptom(s) of OW? - Ans Canopy leaf loss, outer leaf tanning
What are the primary transmission rates for DED? (insect and root gra8) - Ans 90% insect, 10%
root gra8
What are the primary transmission rates for OW? (insect and root gra8) - Ans 10% insect, 90%
root gra8