AZ FFA NURSERY LANDSCAPE CDE Graded A+

Which of these is a safety feature on a chainsaw? - chain brake An orange triangle displayed on the back of equipment that is moved short distances along public roads is referred to as a(n) _____ sign. - slow-moving vehicle Which of these statements is true? - Landscapers generally purchase their plants from wholesalers. What is the ANLA? - American Nursery and Landscape Association Which of these can be a plant disease vector? - all of these Most landscape irrigation systems are installed using _____ pipe. - PVC The majority of a plant's stomata are located on the: - leaves A plant in the window, growing toward the sunlight, is an example of: - phototropism The major function of the root hairs is to: - absorb water and minerals Which are signal words used on pesticide labels? - Caution, Warning, Danger Most deciduous shade trees and non-flowering shrubs are best pruned during: - late winter and early spring A common cause of tall, spindly growth of container-grown nursery stock is: - over crowding A low LD50 rating of a pesticide means that the pesticide is: - highly hazardous to humans Which of these are relatively new landscape features designed to prevent rapid water runoff from landscapes? - Retention and detention ponds and rain gardens When sodding a lawn: - the sod strips should be placed tight against the adjoining sod. Which is the recommended method of aerating turf? - core aerators The _____ on hydrangeas can be changed by adjusting the pH of the soil. - flower color Soil pH refers to the _____ of a soil. - acidity or alkalinity Silvery trails on and around plants are a sign of: - slugs Which of these insects is the smallest? - aphids AZ FFA NURSERY LANDSCAPE CDE Landscape night lighting provides: - all of these Many insects, such as whiteflies, are attracted to _____, which is the color often used in sticky traps. - yellow Landscape plantings near the base of a residence are known as _____ plantings. - foundation What is callus in horticulture? - Callus is a plant tissue that forms around the base of a cutting during the rooting process. Small, corky pores along the stem that allow for gas exchange between the atmosphere and plant cells are: - lenticels Which of the following is NOT an example of a hardscape item? - foundation plantings If a fertilizer contains 17% potash, 15% nitrogen, and 16% phosphorus, what analysis should be written on the bag? - 15-16-17 Evergreen trees planted in the path of the prevailing wind can reduce _____ in the winter. - wind chill A new hydrangea has a note on the tag that read, "Reproduction of this plant is prohibited without license." That means it is probably: - patented Which of these is a landscape drawing tool used to draw long, strait, vertical, and horizontal lines? - T-Square Which term is NOT a horticultural term meaning a place where plants are grown? - Colloquium In plant nomenclature, the word "rubra" appearing in a scientific name means: - red Why is it recommended to place crushed stone behind retaining walls before back filling? - to assist in water drainage Before digging, homeowners and landscapers should call a designated number, usually an 800 number, and get advice to: - all of these Asexual propagation is the only reliable propagation method for most plants that are: - hybrids A pH range that includes the desired pH for most landscape plants is: - 5.5 to 7.0 Which of the following is a function of mulch? - conserves moisture AZ FFA NURSERY LANDSCAPE CDE Which of the following is NOT considered landscape drawing equipment? - Caliper Which grass is most often used on golf greens? - Bentgrass Which of the following is NOT a cool-season turf grass? - Bermuda grass An herbicide used to control existing weeds is called: - post-emergence A topsoil with a balanced mixture of sand, silt, and clay is known as a(n): - loam Walk-behind tillers and mowers usually have four-cycle engines that rate ___ horsepower. - 3 to 6 If an area is too steep to mow then _____ should be considered for planting in that area. - groundcovers The spiny seed balls of the _____ tree are a common problem in the landscape, and planting a non-fruiting variety from a nursery is about the only solution. - sweetgum When using a walk-behind tiller, the normal tilling depth for breaking up a new area for planting would be in the range of ___ inches. - 6 to 12 The best new rose varieties introduced each year are indicated by the letters: - AARS How many spark plugs do most walk-behind lawn mowers have? - 1 The natural purpose of rose hips is to: - produce seeds Which of the following is true about nitrates? - Nitrates are used in fertilizers such as sodium nitrate. Which of the following mulches most often becomes moldy when it is wet and applied too deep? - fresh grass clippings Xeriscaping is the use of landscape techniques that: - conserves water Which landscape tool can be used to cut tree limbs from 1 inch to 1.5 inches in diameter? - lopping shears Which of the following is NOT a term used to describe the arrangement of leaves on a stem? - cross-slot Azaleas prefer a pH of about: - 5 Electric and gasoline powered landscape blowers generally have a rating of between ___ mph. - 100 and 300 AZ FFA NURSERY LANDSCAPE CDE A soil sample should be taken to a depth of about: - 6 to 8 inches Which of these soil mix ingredients is derived from volcanic rock, contains no mineral nutrients, does not easily deteriorate, and promote drainage in the soil mix? - perlite Bascillus thuringiensis is most effective against which pest? - caterpillars In horticultural terms, what is bolting? - The premature or unwanted production of flowers and seeds Shoots on roses that arise below the bud union should be: - pruned off Landscape fabrics for mulching do all of the following except: - keep out air-borne diseases The larvae of _____ are highly beneficial in the control of aphids. - lady beetles Which of the following is a common disease of roses? - powdery mildew This structure in plants, if allowed to develop, produces a chemical that signals to the plant to stop production. - seed pods Which is NOT a recommended practice in pest control? - use pesticides with the highest toxicity to end the problem quickly What gives green leaves their color? - chlorophyll Changing the form of the land during landscaping is done by a process called: - grading Which of the following indicates that a rotary mower blade is dull? - the cut grass has ragged, shredded leaf tips The process of water movement out of plant leaves through the stomata and into the atmosphere is known as: - transpiration Which of the following is a common recommendation as one step in reducing moss growth in a lawn? - increase sunlight to the area Which disease is known to cause partial or complete circular bands of grass that are darker green than the remainder of the turf, often with mushrooms growing in the dark green areas? - fairy ring The public area of a landscape is generally considered to be the: - front yard and front door area AZ FFA NURSERY LANDSCAPE CDE Which term describes a non-native plant that has adapted to the new environment and has become established as if native? - naturalized plants A plant that is non-woody, such as Shasta Daisy, is termed: - herbaceous A method of lawn establishment that uses core or small pieces of turf planted a few inches apart is known as: - plugging A pH reading of below 7.0 is known as: - acidic The maximum depth that the ground will freeze in winter is known as the: - frost line What is the term used to describe the accumulation of excess grass stems and leaf blades in turf just above the soil surface? - thatch How many pounds of nitrogen are contained in a 100 pound bag of 5-10-15? - 5 Which of the following is NOT an example of asexual plant propagation? - seeds When terminal buds on plants are pruned, the _____ buds are induced to grow. - lateral Junipers are classified as: - needleleaf evergreens The main source of landscape plants for most landscapers is: - wholesale nurseries Which of the following would have the greatest effect on the percent of cuttings rooted successfully? - bottom heat If a customer wants an organic fertilizer, which of the following would be the best choice? - cow manure Many landscape equipment engines require a little extra fuel in the carburetor to start. Most models use a(n) _____ to supply the extra fuel for starting. - primer bulb or choke Knowing where underground utility lines are buried before starting a landscape digging project helps prevent injury as well as penalties and repair charges. The national telephone number for the "Call Before You Dig" program is: - 811 Two of the most pressing current issues for the landscape maintenance industry include: - emissions and noise pollution A hardwood stem cutting usually needs _____ to root. - at least one node above the soil and one below the soil Lopping shears can be used to cut off limbs up to about ___ inches in diameter. - 1.5