Nursery/Landscape CDE 2014
Terms in this set (250)
PVC irrigation pipe is joined by connectors/couplings that are_____to the pipe.
Similar to the textural appearance of plants,_____can be used to create spatial illusion in a perennial garden.
To preserve the germination ability of most seeds, store them in a :_______
Cool, dry environment
_____ drawings show an object as seen by the eyes at eye-level.
Fireblight is a disease that most often affects susceptible plants:___
During periods of rapid succulent growth.
The soil pH level primarily controls:__
Availability of essential plant nutrients.
Three types of ground patterns used in landscape design are_____.
Training plants into three-dimensional ornamental forms, such as animals, is called:__
Clay soils require:___.
A longer time for absorption of irrigation water than sandy soils.
The approximate range of average annual minimum temperature for Plant Hardiness Zone 8 is:___
10 to 20 degrees
Fertilizer recommendations are often given in pounds of nitrogen per thouusand square feet. How many 50 pound bags of 10-10-10 fertilizwes should be applied to an area 50 X 100 ft? If the recommendation is for 2 punds of nitrogen per 1000 sq. ft.?
Plants that have been clipped or pruned into two-dimensional forms are:__
A transplanted tree or shrub should be set into the ground:
At the same depth at which it was originally growing
What is true about lady bug beetles? They:
Plants that use less water and are tolerant of dry landscape sites are called:
Damping-off is caused by:
Which of the following is a disadvantage of using a time clock to control an irrigation sysyem?
The plants are watered at set times, whether they need watering or not.
Which of the following is a group of terms related to landscape design principles?
Focalization, proportion, simplicity
The Oak Leaf Nursery adertised a group of trees with a trunk caliper of 3 inches. In the trade, it is assumed that this measurement was taken:
6 inches above ground level
ONe function of the stomates is to:
Give off water vapor.
A friable soil os one that :
Is loose and of good struchture and texture
Plants usually do not grow well in poorly drained soils because:
Oxygen and content is low in poorly drained soils
To make the living are of a landscape appear larger, a designer should include plants that feature:
Cool-colored flowers such as blues, purples. lavenders
Which of the following turf areas is mowed to the lowest height?
In plants,___ is the rocess of converting stored energy into energy for plant growth.
A landscape designer uses many __ in developing the preliminary design for a project.
Fairy ring is caused by:
An "x" in the botanical name of a plant means the plant:
Is a true hybrid
An example of an organic material is_____
Which of the following is microscopic?
The loss of water in the vapor from the surface of plant leaves is referred to as:
The basic underlying principle of using a mist propagation system is that it:
Increases humidity around the cutting and reduces transpiration.
___is an example of a parasitic plant.
Low-Growing landscape plants should:
Be placed in front of intermediate growing plants
Which signal word for pesticide labels indicated the lowest level of toxicity?
In a landsape deisgn, properly located plants and structures.
Can reduce heat intensity
Which of the following would be most suited for a hot, dry, steep bank in the landscape?
A shade loving border plants is:
Soft pencil leads are indicated by the letter___
A plant pathologist studies plant:
A plant that dies to the ground at the end of each growing season but comes back from the same root-stock year after year is most accurately described as a(n):
Two basic types of pruning are heading-back and thinning-out. Which of the following is truw about thses pruning methods?
Thinning cuts are made close to a main branch or ground and few axillary buds are left.
Lowering the soil grade around a tree removes many of the tree's roots.
Water availability, temperature extremes, and ___ should be considered when selecting trees for the landscape.
The four life cycle stages of beetles such as the Japanese beetle are:
An important step in properly composting landscape refuse is to:
Thoroughly moisten each layer of material
A pencil lead that is soft, prints well, erases easily, and tends to smear easily is:
A larder perennial that provides a general effect of mass and grows in excess of five feeet is:
Lawn sprinkler systems are installed so they provide even coverage. This is accomplished by:
Spaing the heads so that each sprinkler sprays to the next sprinkler
The statement on a bag of fertilizer that lists the percentages of nitrogen, phosphorous, and potassium contained in the fertilizer is called a(n)___analysis
Callus is a term usually referring to :
The first tissue to develop on a cutting just before the roots form.
A__is a woody perennial that has more than one main trunk.
Mrs. Thompson loves spring flowering bulbs. Which of the following would you suggest for Mrs. Thompson to plant?
Hyacinthus orientalis cv.
If a two-cycle engine on a weed trimmer uses a 24:1 fuel ratio, you should mix:
24 parts gasoline to 1 part oil
Soil texture refers to:
The size of the soil particles
In nursery production, a "liner" refers to__
A rooted cutting or small seedling
Which of the following is a deciduous vine?
When planting ground covers grown in compressed peat containers:
Make several cuts down the sides of the container before planting
What part of a lawn mower prevents dust from entering the carburetor?
The optimum germination temperature for most bedding plant seeds is:
75 to 85 degrees
Paul had 400 containers of mature Salvia to wholesale to a landscaper. His cost of producing the plants, including labor, was $832
Which of the following statements is true about applying dry fertilizer to a lawn?
It is a good practice to water-in dry fertilizer applied to a lawn
The classification of soil particles based on size are sand, silt, and:
Which fuel is used in chainsaws, string trimmers, and other 2-cycle engines?
Gasoline and oil mix
Which of the following is the proper recommendation for pruning trees at planting:
Pruning should be limited to shaping the plant by removing dead or damaged limbs
The practice of manually watering a container plant until water comes out of the drainage holes of the container is effective for helping to reduce the buildup of __in the growing medium.
A scale of 1:20 means that:
1" of blueprint equals 20' in the landscape
The best time to spray a glyphosate is:
When weeds are in active growth
Which of the following groups contains only evergreen plants?
American arborvitae, Camellia, Japanese Yew
Which of the following is a group of small-growing trees?
Crape myrtle, Eastern redbud, Japanese black pine
When referring to the USDA Plant Hardiness Zone map, one can determine the:
Minimum expected temperature for an area
One of the best ways to speed up the rooting process of cuttings is to:
Provide bottom heat
Fred was about to drive the tractor down the street to another landscape job when Alan said, "Hey, you had better put that orange triangle on the back of that tractor before you get run-over." Alan was referring to the:
Slow-moving vehicle sign
Divide and separate fall blooming perennials:
In early spring
Leaf miners lay their eggs:
Inside the leaves
An area of the landscape that includes space for such items as a clothes line and garbage cans is the __area
The landscape design principle of interconnection:
Occurs when visual components are physically linked together
When trying to save trees on a construction site, cut and fill under the drip line of the trees should be limited to a depth of inches.
0 (Never cut or fill under the drip line of trees.)
___pruning is a pruning technique concerned primarily with the removal of branches that could lead to damage or weaken a plant's health and appearance.
Underground stems with scale-like fleshy leaves (leek and onion) are called:
IN most plants, a hormone called auxin is produced by the terminal bud it moves downward into the shoot and inhibits the growth and development of later buds. This is called:
Some seeds are produced in the fall and remain on or in the ground until they germinate in the spring. Exposing seeds to the winter cold and moist soil is nature's method of___.
Once they are beneath the bark surface, __ are difficult to control.
The use of plant materials and landscaping techniques to conserve soil moisture and to reduce water usage is:
Which of the following describes plants that lose their leaves during the winter?
Hardiness refers to :
The quality of being strong and being able to survive in a certain region
Hardening-off is a term used in the nursery/landscape industry to mean:
Acclimatizing tender plants to harsher , outdoor conditions
Which one of the following plant hardiness zones is colder than Zone 6?
Many insects traps attract insects with:
Some vines use__to support themselves as they climb.
A___is a landscape designer's tool for drawing circles on a landscape plant.
The following plant grows from a tuber:
The best definition of a surfactant is a :
Material added to a liquid spray solution to reduce tension between the liquid and leaf surface
Which type of insecticide would be most effective against sucking-type insects?
The three major divisions of a soil profile are:
topsoil,subsoil, and parent material
A lawn mower with blades parallel to the surface of the ground is called a(n):
Which of the following groups contains only deciduous plants?
Cedar Elm, Carya illinownensis, Red Oak
A 50 pound bag of 5-10-15 fertilizer contains ___pounds of nitrogen.
The scientific name for Heavenly Bamboo is:
The turfgrass least tolerant of shade is:
Which of the following is not an important environmental requirement for germination to occur?
Light energy, carbon dioxide, and water enter into the process of photosynthesis, through which:
Carbohydrates are formes
When planting B&B plants:
The tie string should be cut from the trunk of the plant
The most common synthetic root-promoting chemicals used in rooting hormones are:
IBA and NAA
There are five common methods of night lighting for landscapes. They are:
Walk,silhouette,shadow, up, and down lighting
What information is not contained in the legend on a final landscape plan?
When planting a bare-rooted tree, the tree should be planted:
Directly even with the original soil level
The road in front of Steve's house has become traffic congested in recent years. The view, and especially the noise, bothers the family. When Steve discussed this problem with a landscaper, the landscaper mentioned berms. What was the landscaper talking about?
Tail mounds of soil placed between the house and road to block the noise and view
A propagator in a nursery business is responsible for:
Starting new plants from seeds, cuttings, grafting, or other means and planning the propagation schedule
A glyphosate is a non-selective herbicide that will kill:
Any green plant that it contacts
A major advantage for producing nursery stock in containers is that it:
Allows for transplanting any time during the growing season
A method of fertilizer application is __
Brown patch,dollar spot, and gray snow mold are all diseases of:
Which plant is a vine?
Of a container-grown nursery crop had been over watered for a long period, a grower might expect to find the roots in the following condition:
The roots dead or absent at the bottom of the container but healthier in the top portion of the container
Site features to consider when conducting a site survey include:
Topography, soil conditions, natural features, and existing vegetation
Food produced in the leaves moves to other parts of a plant through the __
Which of the following would be the best response if a client calls you in October and wants to know what to do about a 20-foot Japanese pine that has turned completely brown?
Cut is down. It is definitely dead.
When installing a landscape, which step should be completed LAST?
Plant the trees and shrubs
Cuttings in the rooting bench should be:
Kept constantly moist
Examples of cool season grasses include perennial ryegrass, bentgrass, and:
Magnesium, calcium, and sulfur:
Are essential elements needed for plant processes
A "spreader-sticker" added to a spray solution causes the chemical to :
Better cover the plant surface and resist being washed off by rain and irrigation
Are constructed with asymmetrical balanced and curved lines
When selecting ginkgo trees for the home landscape, you should choose:
Male trees only
Functional roles of plants in the landscape do not include:
Professional-grade string trimmers are usually powered by:
A 4-cycle engine
To increase the bushiness of a glowering plant while the plant is young, on should:
Pinch the stem tips of the plant
Liriope and Ajuga are generally classified as:
The recommended minimum width for a residential walkway in the public area of the landscape is___feet
Which of the following is a major reason for mulching landscape plants.
Moderates soil temperature and conserves soil moisture
A color scheme in a garden that produces a carnival-like effect is referred to as being:
A group of plants located along the perimeter of a landscape use area is called a__planting
Which tree has the finest textured foliage?
Which of the following serves as a food reservoir for the developing embryo within the seed of a monocot?
The term___ is used in horticulture to define plant injury sometimes caused by pesticides.
An example of a creeping or prostrate coniferous evergreen is:
A major advantage for using slow-release fertilizer in container-grown nursery stock is that it:
Supplies nutrients over a long period of time with one application
A plant that remains vegetative during its first season of growth and flowers in the second season is a(n):
A landscaper in New York calls a wholesaler/grower in Tennessee to inquire about plant material for a landscape job. One of the trees he asks about is bald cypress. He wants to know if it is hardy in middle New York. The grower days," Let me see, that is Zone 4 ..."They are talking about the:
USDA Plant Hardiness Zones
Plowing or tilling a bed or lawn when it is excessively wet may:
Damage the structure of the soil
Most landscape plants like the soil pH:
In the plant name llex x merserveae 'Blue Princess':
The genus is llex, the "x" means it is a hybrid, the species is meserveae, and the cultivar is Blue Princess
B&B in the nursery/landscape trade means:
Balled and burlapped
When installing a landscape, which step (from the following list) should be completed FIRST:
Install the drainage system
When insect eats out trails between the leaf surfaces?
Wisteria, clematis, and Japanese honeysuckle are examples of:
When should soil NOT be tilled?
When it is wet.
When using heat to sterilize/pasteurize soil, the soil should be heated to:
180 degrees for 30 minutes
Mr.Roberts told his horticulture class that the temperature for rooting shrubs should be no lower than 70 degrees. He was referring to the:
Temperature of the rooting media
Traditional garden centers, in many cases, have been able to complete with chain department stores by providing:
One characteristic of Roundup (Glyphosate) that customers sometimes object to is:
That it takes several days to kill weeds
Which LD-50 rating listed is the most potentially lethal to a human, based on animal studies?
Larger nursery pots are measured by the:
Water__to help reduce disease in nursery crops
Early in the day
One reason modern horticultural fabrics used in landscaping are said to be better than black polyethylene film is they:
Allow exchange of gases between soil and air
Who is responsible for establishing the binomical system for naming plants?
The best type of sand to use in soil mixtures for container grown plants is:
Scientific names generally consist of two words, the first being the genus and the second being the:
In the name Acer palmatum 'October Glory' is a__ if it did not occur as a natural mutation:
What is the function of the axillary bud on the stem?
To produce a new leaf or stem
Failure to firm down the soil around a newly planted tree or shrub can result in air pockets. This may cause:
Drying of plant roots.
Which is most important to the financial health of a nursery/landscape business?
Leaves that show interveinal chlorosis probably suffer from:
Shrubs planted in small groups in the landscape are generally planced in:
Odd numbered groups (i.e. 3,5,7)
For maximum effectiveness, mulces should applied about__deep.
What is one reason mid-day watering of lawns in the summer is usually not recommended>
Much of the water is lost through evaporation
The landscape profession for which you are most likely to need a license is:
An individual or firm hired to install or construct a portion of a larger landscape job is called a :
Which is most likely NOT a benefit from using mulch?
Plants sold in the landscpae trade are sold by__name.
Plants which evolve and grow naturally in an area are termed __plants.
WHich of the following definitions best describes 'auxin'
A naturally occurring plant hormone which promotes plant growth
A plant that produces flowers that have either stamens or pitils, but NOT both on the same plant is called
The thick portion of a see that contain the tissue used as food by the seedling in its early growth is the:
In landscaping terms, if the mower blade is et too low and the turf is not level, the mower may__the turf in spots.
THe viability of a group of seeds is measured by:
The germination percentage
The analysis of fertilizer is guaranteed by the manufacturer and regulated by the:
A landscaper has to decide whether tp put in a groundcover instead of turgrass on a site with the following characteristics. which characteristic is the most important factor in making this decision?
The landscape area had a 25% slope
When taking a sooil sample, be sure to take cores at least__inches deep.
Whcih of the following is not a rule-of-thumb traditionally followed by landscapers?
Shrubs should be planted abot 6-12" from the foundation
A landscaper says that the soil on a home development site will not perk. What does that mean?
Water does not pass through the soil at an acceptable rate
Landscape plans generally include all of the following except:
The mature height of the plant
Which landscpae tool is used to prune branches an inch or larger in diameter?
Some of the salt buildup in potted crops can be removed by:
The process in which water, grass seed, fertilizer, cellulose fiber and a glus type material are mixed together and sprayed onto the soil to establish turf is called___
Warm season turf grasses include which of the following?
The hardscape in a landscape design is defined as:
structures, paving, fencing, etc imcorporated into a landscape
trees are fertilized with granular fertilizer by spreading it within__
the drip line
The nursery landscape trade and ralted industries are sometimes referred to as the__
Blue spots along the cutting edge of a rotary mower blade after sharpening indicate that__
the balde was overheated during sharpening
Which of the following plants is commonly grafted or budded?
Which of the following propagation methods usually produces the greatest amount of genetic variation in the offspring?
Flowering plants that are tetraploid have reduced maintenance costs because of the reduced need to__
Ron plans to start a wholesale nursery growing Japanese maples. IT will take him two years to produce the first saleable crop. Which of the following will be most affected?
When servicing the spark plug on a lawn mower, the electrode should be___before reinstalling it in the mower;
cleaned and dried
Joe's landscaping pays rent, legal fees, utilities and insurance, all of which are classified as__
Which would not be part of a lawn irrigation system?
The ideal soil is composed of___
25% water, 25% air and 50% solid material
Dead, decaying plant and animal material in the soil is referred to as ________.
The main objective of root pruning is to __________________.
develop a compact and fibrous root system
A systemic insecticide refers to an insecticide that ________________.
is absorbed through the roots and leaves of a plant
When moving turf, it is recommended that no more than ______ of the leaf blade be removed
at each cutting.
A layer of partially decomposed stems, roots and leaves of grass which develops above the soil
surface in the lawn is called __________.
What is one reason the container grown sector of nursery crop production has increased in
factors affecting plant growth can be maintained at optimum levels
Which of the following best describes seed scarification?
removing some of the seed coat by using a file, sandpaper or an acid solution
A financial plan for the future is called a ______________.
If a business has assets of $ 500,000; total expenses of $ 95,000 and $ 210, 000 in total revenue,
what is the net profit?
Benefits of landscaping include which of the following?
landscaping does all of these
210. Plants need _____ essential elements for proper growth and development.
The terms triploid, diploid and haploid refer to the ____________.
number of chromosomes
Natural soil is arranged in layers referred to as _____________.
Which is the best definition of the term understory, as used in landscaping?
smaller plants that grow under the canopy of trees
Which is NOT a type of leaf arrangement?
Which of the following is the best definition of an F1 hybrid?
the first generation of seedlings from genetically different parents
The synthetic growth regulator, Indole -3-butyric Acid (IBA), is used in the nursery trade as a ___.
Which is a drawback to planting English or Virginia Creeper on the side of a wood or vinyl sided house?
the adhesive tips of the ivy damage the siding or leave unsightly blemishes
Horticultural chemicals should be stored in which of the following?
A free-standing, locked building
When mowing Bermuda grass lawns, what is the general range for the proper height of cut?
1.5 to 2.5 inches
. Freshly cut bark chips and saw dust should not be used as a soil amendment, because they___.
rob the soil of nitrogen during decomposition
Which of the following grasses has the longest winter dormancy period?
What type of watering conditions would cause the clustering of turf grass roots at the top of the
soil? Assume that there has been little or no rainfall.
frequent, light watering
The factor used as an indication of grade and general vigor of Hybrid Tea Rose plants sold at
retail is the number of healthy ________.
Which of the following is an indication of a fertile soil?
Which of the following statements is not true?
Frost is most likely to form when there is low, heavy cloud cover and a slight cool breeze .
Plant diseases caused by rain splashed microorganisms from the ground can be reduced by __.
applying mulch around and underneath plants
An area that has a slightly different climate conditions than the surrounding land, such as the north side of a house which provides shelter from excess sun and wind, is called a ______________.
The best time to prune azaleas is _______________.
just after they bloom
Fertilizers should be added to soil ________________.
Based on soil test results
All other things being equal, which diameter of pipe or combination of pipes will carry the most water?
One 2 inch pipe
Of the grasses listed below, which is most commonly used on golf greens?
Generally, a lawn needs about _____ inch(es) of water a week, either as rain or irrigation.
233. Which of the following can be said about applying an herbicide to a lawn in granular form
rather than as a liquid spray?
There is little or no drift from the granular form
Large nursery pots are measured by the _______________.
gallon, and sizes are strictly regulated
Tree roots that are responsible for most nutrient uptake are found ____________.
in the subsoil
Which of the following government organizations would want to talk to you if you shipped
nursery plants across state lines without a license?
When Alan finished sharpening his rotary mower blade he noticed that his mower vibrated and
shook so bad that he could hardly control it. What was wrong?
The blade was out of balance
A pre-emergence herbicide is applied ___________.
before the weed seeds germinate
Soil around the foundation of a house is often more alkaline than surrounding soil due to which of the following?
. Leaching from the masonry mortar on the home and masonry debris from construction
The most commonly used lawn grasses in the U.S. can be divided into _____ or _____ types.
Warm season or cool season
Mowing the lawn in a different direction each time helps reduce the chance of _________.
soil compaction and undesirable grain set
Recommended service intervals for jobs such as changing the oil in motorized landscape equipment is usually measured in _____ of operations.
When propagating woody cuttings, a growth promoting substance is some times applied to
the base of the cutting in order to ________________.
all of the above
A post emergence herbicide is applied ____________________.
after the weeds have germinated and emerged from the soil
Large trees used to frame a one story, ranch style home can make the home seem _____ than
it really is.
Which of the following is important in producing a uniform size and quality container grown nursery crop?
all of the above
Though not recommended, if 2 cycle engine fuel is actually used in a 4-cycle engine:
The engine will likely smoke a lot, but it will run
If a house is painted in several colors you might be worried about the colors of the house and
the plant flower color clashing. One flower choice that would be safest to use is __________.
A privacy fence should be at least _____ feet high if the purpose is to screen the view of
neighbors at ground level or others walking near the property at the same elevation.
Plants showing symptoms of nitrogen deficiency will show which of the following symptoms?
Yellowing of the entire leaf
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