ISA - Arborist Certification Test - Chapter 10 Answered
Correctly
stressed - Answer -If a tree is not well suited for the site in chich it has been planted, it may become
_______, predisposing it to other problems.
roots - Answer -A common mistake in diagnosis is to carefully examine the above ground portion of the
tree, while ignoring the ______.
abiotic - Answer -Leaf scorch, girdling roots, and mineral deficiencies are examples of ______ disorders
egg laying - Answer -Insect damage to trees is usually the result of feeding or _____ ______.
vectors - Answer -Insects that carry plant pathogens are said to be ______.
nematodes - Answer -Microscopic worms that sometimes feed on trees and may carry diseases are
called ______.
bacterium - Answer -Fire blight is and example of a disease caused by a ______.
allelopathy - Answer -_______ is the chemical inhibition of growth and development of one plant by
another.
herbicide - Answer -Curling and cupping of the foliage, and parallel venation, are common symptoms of
______ damage.
witch's broom - Answer -abnormal growth of multiple secondary shoots
vector - Answer -carrier of pathogens
canker - Answer -localized dead tissue, often shrunken and discolored
gall - Answer -swollen plant tissue often insect or mite induced
stunting - Answer -reduced growth
stress - Answer -may predispose a plant to other problems
pathogen - Answer -causal agent of disease
leaf spot - Answer -dead spots on the foliage
- Answer -
Correctly
stressed - Answer -If a tree is not well suited for the site in chich it has been planted, it may become
_______, predisposing it to other problems.
roots - Answer -A common mistake in diagnosis is to carefully examine the above ground portion of the
tree, while ignoring the ______.
abiotic - Answer -Leaf scorch, girdling roots, and mineral deficiencies are examples of ______ disorders
egg laying - Answer -Insect damage to trees is usually the result of feeding or _____ ______.
vectors - Answer -Insects that carry plant pathogens are said to be ______.
nematodes - Answer -Microscopic worms that sometimes feed on trees and may carry diseases are
called ______.
bacterium - Answer -Fire blight is and example of a disease caused by a ______.
allelopathy - Answer -_______ is the chemical inhibition of growth and development of one plant by
another.
herbicide - Answer -Curling and cupping of the foliage, and parallel venation, are common symptoms of
______ damage.
witch's broom - Answer -abnormal growth of multiple secondary shoots
vector - Answer -carrier of pathogens
canker - Answer -localized dead tissue, often shrunken and discolored
gall - Answer -swollen plant tissue often insect or mite induced
stunting - Answer -reduced growth
stress - Answer -may predispose a plant to other problems
pathogen - Answer -causal agent of disease
leaf spot - Answer -dead spots on the foliage
- Answer -
