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Louisiana Horticulture License Review Exam/356 Questions and Answers (Landscaping)
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Louisiana Horticulture License ReviewExam/356 Questions and Answers
(Landscaping)
A plant's scientific name of a plant is composed of _________ and _________. -
-genus and species
-Alba is a term that describes a plant as _________. - -white
-Triacanthos describes a plant that is _________. - -three spined
-The functions of the root system are: - -anchorage, absorption, conduction
and
storage
-The tap root could be described as: - -a fleshy food storing organ
-When a person is preparing to transplant a plant: - -expose the roots to
little air as possible
-Plants that are root bound in their containers should: - -coiled roots should
be straightened and pruned
-The xylem is resonsible for: - -transporting water and minerals from the
roots upward through the plant
-An example of a monocot plant would be _________. - -corn
-If the cambium layer and vascular bundles are damaged: - -the plant could
die
-Girdling of a plant can be described as: - -damage to the plants food supply
pipeline
-A node is considered to be: - -an area on a stem where the leaves emerge
-Tulips develop each spring from _________. - -bulbs
-A plant that developes from rhizome would be _________. - -cannas
-Potatoes are propogated from _________. - -tubers
, -When a plant a "suckers" it means that a new shoot will develops from the
_________. - -roots
-In Louisiana, spring flowerihg bulbs are usually planted from _________ to
_________. - -October to December
-Amaryllis bulbs are usually planted _________. - -during fall
-The term "venation" is a term used to describe a plants _________. - -vein
distribution
-A leaf gives off water into the atmosphere through a process called
_________. - -transpiration
-If transpiration is more rapid than absorption in a plant: - -the plant will
show signs of wilting
-Transpiration in a plant depends on: - -water pressure should be lower in
the top of the plant
-The pistil is the: - -female part of the plant
-Ferns reproduce from single cell structures called _________. - -spores
-The highest priority of food produced by leaves is to feed _________. - -
flowers
-A primary element used for plant growth would be _________. - -urea
-Overall yellowing of the plant beginning at the bottom of the plant could
mean _________. - -nitrogen deficiency
-Spindly growth, low flower and fruit production, dark green leaves with
reddish overcast could mean _________. - -phosphorous deficiency
-Slow growth, scorched leaves and shriveled fruit on a plant could mean
_________. - -potassium deficiency
-Light green leaves with leaf margins turning upward are symptoms of
_________. - -calcium deficiency
-A 50 poind bag of 13-13-13 would contain how many pounds of nitrogen? -
-6.5
-A 50 pound bag of 20-15-10 would contain how many pounds of
phosphorus? - -7.5
, -Resin coated materials, such as osmocote, fertilize depends on what factor
to release nutrients: - -soil moisture
-Fertilizing in early or late fall: - -is a poor practice because it could cause
cold damage
-Exposing plants to low light intensity will: - -limit photosynthesis
-Roots dying from over watering could be caused by _________. - -lack of
oxygen
-Water softeners should never be used for irrigation because the _________
may replace essential nutrients causing deficiencies. - -(Na) ions
-Due to slow permeability of clay, how many inches of water must be used
on a plant with an 18" root depth? - -3 inches
-The field capacity for water in loamy soil is approximately _________. - -15-
25%
-Which side of a building has the coolest growing temperature? - -north
-Most warm season plant seeds need this minimum temperature to
germinate: - -greater than 49 degrees F
-This zone has an average minimum temperature of 20-25 degrees F: - -9a
-Plants exposed to calm, clear nights can give off enough heat to lower their
temperature below freezing even though the surrounding air is 32 degrees F.
This kind of freezing is called _________. - -radiation
-The optimum temperature suitable for growth of temperate plants is: - -77-
95 degrees f
-Avoiding practices such as late pruning and late fertilization with nitrogen
will help to prevent: - -cold weather damage
-Hot weather effects on plants grown in dark containers usually result in: - -
stunted growth on the side exposed to the sun
-Nurseries' greatest challenges are providing plants that: - -grow well in
their area
-The mud-pie test is used: - -to determined the moisture content of the soil
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