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Definitions
| Question | Answer |
|---|---|
| Is the site of attachment for leaves, flowers, fruits and provides a path for the transport of water and nutrients between the roots and the tops of the plant | The Stem |
| The point of attachment of the leaf is called the | Node |
| The portion of the stem between two leaves is the | Internode |
| ______ are embryonic stems enclosed by scalelike leaves called ________ | Buds and bud scales |
| The bud at the tip of a stem is called | terminal bud |
| Buds along the stem are called | Lateral or Axillary buds |
| -------is a small group of cells capable of rapid cell division | Meristem |
| are located at the tip of the stems of woody plants and some herbaceous | Apical Meristems |
| __________transports water and dissolved minerals through the plant | Xylem |
| _________Transports carbohydrates, other organic compounds produced in the leaves and mobile inorganic nutrients | Phloem |
| _______Arise from apical meristems and normally consist of a blade, a petiole and stipules | Leaves |
| ____________Is the main body of the leaf | Blade |
| _______ Are small leaflike appendages found at the base of the petiole | Stipules |
| _________Contains conducting tissues for the transport of materials to and from the leaf | Petiole |
| ______Outer protective layer or layers of cells for the leaf | Epidermis |
| ____ Small pores in the epidermis, serve as sites for the exchange of gases and water vapor | Stomata |
| _________The area between the upper and upper and lower epidermis | Mesophyll |
| Leaf blade that is composed of a single unit is | simple leaf |
| Two or more leaflets | Compound leaf |
| Reproductive Organ of a angiosperms (flowering plants) | Flower |
| A typical flower is made up of | receptacles, sepals, petals, stamen and pistil |
| Flowers that contain both stamen and pistils are call | perfect or complete |
| Flower that contain only stamen or pistils | Incomplete or imperfect |
| Have both male and female flowers on the same plant | Monoecious |
| Have male and female flowers on separate plants are | Dioecious |
| A Mature ripened ovary | Fruit |
| _____A miniature plant in an arrested state of development | Seed |
| The basic building blocks of plants are: a) leaves. b) cells. c) tissues. d) nomenclature nomenclature | b)cells. |
| Which of the following facts about plant buds is not true? a) buds are embryonic stems b) buds at the tip of stems are called terminal buds c) buds along the stem are called lateral buds d) buds serve as a point of attachment for leaves | d) nodes are the point of attachment for leaves not buds |
| Xylem AND phloem transport (in order): a) water AND carbohydrates. b) water AND cork cambium. c) carbohydrates AND water. d) organic nutrients AND dissolved minerals | a) water AND carbohydrates. |
| All of the following are parts of a leaf except: a) the stomata b) the apical meristem c) the epidermis d) the mesophyll | b) the apical meristem |
| The root does not serve as: a) an anchor for the plant b) a site of uptake for moisture and nutrients c) a reproductive organ d) a storage site for carbohydrates | c) a reproductive organ |
| The female component of a flower is the: a) pistil b) receptacle c) stamen d) corolla | a) pistil |
| A perfect or complete flower contains: a) a pistil only b) a stamen only c) an even number of petals d) a pistil and stamen | d) a pistil and a stamen |
| A fruit is: a) composed of the stamen b) a mature, ripened ovary c) produced by a dioecious plant only d) not a reproductive structure | b) a mature, ripened ovary |
| Food-storage structures of seeds include: a) the seed coat b) the embryo c) cotyledons and endosperm d) fat bodies | c) cotyledons and endosperm |
| New plants are produced: a) from germinating seed only b) when photosynthesis begins c) after water and mineral uptake occur d) from germinating seed and adventitious root and shoot pieces | d)from germinating seed and adventitious root and shoot pieces |
| The primary function of chlorophyll is: a) to absorb sunlight and convert it to chemical energy b) to convert glucose to starch c) to convert carbon dioxide and water to energy d) to make leaves green | a) to absorb sunlight and convert it to chemical energy |
| Which of the following is not a fundamental process of plant growth at the cellular level? a) cell transformation b) cell differentiation c) cell enlargement d) mitosis | a) cell transformation |
| Which group of plant growth hormones promotes cell enlargement? a) cytokinins b) gibberellins c) auxins d) ethylene | b) gibberellins |
| Which group of plant hormones act as growth inhibitors? a) cytokinins b) gibberellins c) auxins d) ethylene and abscisic acid | d) ethylene and abscisic acid |
| Which group of plant hormones are principally responsible for apical dominance? a) cytokinins b) gibberellins c) auxins d) ethylene | c) auxins |
| Which group of plant hormones promote cell division, aid in the regulation of stomatal closure and may prevent aging of some plant parts? a) cytokinins b) gibberellins c) auxins d) ethylene | a) cytokinins |
| The three nutrients that are most important for plant fertilization are: a) nitrogen, phosphorus and magnesium b) phosphorus, calcium and ethylene c) sulfur, calcium and nitrogen d) potassium, phosphorus and nitrogen | d) potassium, phosphorus and nitrogen |
| Which of the following is the correct form of the scientific name (genus and species) for annual bluegrass? a) poa annua b) Poa Annua c) Poa annua (italicized) d) Poa annua (not italicized) | c) Poa annua (italicized) |
| If a plant name is preceded by "cv", you know: a) the name is the cultivar name b) the plant is disease resistant c) the plant is a hybrid d) the plant was grown in central Virginia | a) the name is the cultivar name |
| If a plant name is followed by "X", you know: a) the name is the cultivar name b) the plant is disease resistant c) the plant is a hybrid d) the plant is rare | c) the plant is a hybrid |
| A summer annual: a) germinates in the summer and dies the following summer b) germinates in the fall and dies in the summer c) germinates in the spring and dies in the fall d) lives longer than a biennial | c) germinates in the spring and dies in the fall |
| A deciduous plant is one that: a) retains its younger leaves throughout the year b)drops all of its leaves at the end of the growing season c) has needles rather than leaves d) is usually classified as an annual | b) drops all of its leaves at the end of the growing season |
| The major body segments of an insect are: a) head and abdomen b) head, torso and limbs c) head, thorax and abdomen d) eyes, legs and antennae | c) head, thorax and abdomen |
| To find an insect's antennae: a) look on the insect's thorax b) don't bother looking; most insects do not have antennae c) look behind the wings d) look on the insect's head | d) look on the insect's head |
| The life stages of insects with incomplete metamorphosis are: a) egg, pupa and adult b) egg, nymph and adult c) larva, pupa and adult d) nymph and adult | b) egg, nymph and adult |
| Which of the following insects does not undergo complete metamorphosis? a) white pine aphid b) house fly c) carpenter bee d) Japanese beetle | a) white pine aphid |
| To describe the age (or size) of an insect nymph or larva, you would use the word: a) instar b) generation c) superstar d) molt | a) instar |
| Pheromones are substances produced by insects which are used to: a) initiate insect growth and development b) make insecticides that disrupt the molting process c) increase egg laying d) cause a specific reaction in receivers of the pheromone | d) cause a specific reaction in receivers of the pheromone |
| The vegetative portion of a fungus is called a: a) spore b) mycelium c) mildew d) fruiting body | b) mycelium |
| The majority of fungi and bacteria: a) are plant pathogenic b) are beneficial c) feed on dead organic matter d) both b and c | d) are beneficial and feed on dead organic matter |
| Viruses enter host plants usually: a) through the roots b) through natural openings c) through wounds d) as spores | c) through wounds |
| Most plant parasitic nematodes occur: a) in the top 6 to 12 inches of soil b) in aboveground plant parts c) in the top 3 to 6 inches d) in the phloem of infected plants | a) in the top 6 to 12 inches of soil |
| All of the following aboveground symptoms may accompany root feeding by nematodes except: a) reduced growth of the plant b) chlorosis c) increased fruit production d) wilting | c) increased fruit production |
| True or False: For all insects, the adult stage is the life stage which overwinters. | False |
| How are most ornamental and turf pesticides applied? a) as granules b) in bait stations c) as liquids d) as low-volume sprays | c)as liquids |
| Control valves should be located: a) between the pump and the pressure regulator b) between the pressure regulator and nozzles c) on top of the tank d) on all hoses | b) between the pressure regulator and nozzles |
| Which of the following usually does not affect nozzle performance? a) nozzle type b) operating pressure c) orifice size d) ambient temperature at time of application | d) ambient temperature at time of application |
| For most fungicide applications, one should use: a) a nozzle with a cone tip b) a flood jet nozzle c) a flat fan nozzle d) the least expensive tips | a) a nozzle with a cone tip |
| For ultra-low-volume applications, the best sprayer would be: a) a backpack sprayer with ceramic, solid-stream nozzle tips b) a boom sprayer running at low pressure c) one fitted with controlled droplet applicators d)an air-blast sprayer | c) one fitted with controlled droplet applicators |
| A hydraulic sprayer running at low pressure: a) uses more pesticide than at high pressure b) is usually used to treat large turf areas c) penetrates dense foilage d) is more likely to produce drift | b) is usually used to treat large turf areas |
| Drop spreaders are better than rotary spreaders because they: a) are less expensive b) are generally more precise and deliver a better pattern c) usually provide a wider swath d) are more difficult to knock out of calibration | b) are generally more precise and deliver a better pattern |
| To ensure application accuracy, the following steps should be completed: a)calculate target area, determine amount of pesticide to apply, calibrate equipment b)calibrate equipment and calculate target area c)calculate area to be treated and apply pesti | a)calculate target area, determine amount of pesticide to apply, calibrate equipment |
| The formula, radius squared times 3.14, is used to determine the area of a: a) trapezoid b) triangle c) golf course fairway d) circle | d) circle |
| Which of the following is not needed to calculate the amount of pesticide needed for an application? a) capacity of the tank (or hopper) b) calibrated output of the application equipment c) the percentage of the pesticide that is inert ingredients | c) the percentage of the pesticide that is inert ingredients |
| An 80% wettable powder is to be applied at 1 lb. active ingredient per acre. How much is added to the 100-gallon tank of a sprayer that delivers 25 gallons per acre? a)2.5 lbs b)4 lbs c)5 lbs d)8 lbs | c) 5 lbs |
| A 5G herbicide is to be applied at the rate of 5 lbs a.i. per acre to a lawn which is 100'x 200'. How much should be added to the spreader to cover the lawn? a)46 lbs b)100 lbs c)25 lbs d)43 lbs | a) 46 lbs |
| You determine the delivery rate of application equipment, even new equipment, by: a) reading the manufacturer's literature b) consulting with owners of similar equipment c) making estimates based on initial applications d) calibrating the equipment | d) calibrating the equipment |
| Perhaps the most important components of spray equipment to inspect before calibration are: a) hoses b) tank agitators c) nozzle tips d) filter | c) nozzle tips |
| Which of the following will not affect the delivery of a manual sprayer? a) change the nozzle b) shorten hose length c) adjust walking speed d) change pump pressure | b) shorten hose length |
| A manual sprayer delivers 2 gallons per 1000 sq.ft. How many gallons will it deliver per acre? a) 87 gallons b) 43 gallons c) 870 gallons d) 500 gallons | a) 87 gallons |
| Which of the following is not an important factor in calibrating a boom power sprayer? a) nozzle spacing (boom width) b) speed c) pump pressure d) active ingredient content of the pesticide to be applied | d) active ingredient content of the pesticide to be applied |
| When calibrating a power sprayer, pump pressure should be adjusted: a) before turning on the pump b) while the pump is operating and water is flowing through the nozzles c) while verifying the travel speed d) every 10 minutes | b) while the pump is operating and water is flowing through the nozzles |
| Regularly used granular spreaders should be calibrated: a) weekly b) monthly c) by different people to verify accuracy d) only when a different size of granule is to be applied | a) weekly |
| The best place to calibrate a drop spreader is: a) the area where the application is to be made b) an area of at least 20 feet in length c) a smooth, flat area d) on turf covered by plastic | c) a smooth, flat area |
| To obtain better application uniformity with a drop spreader: a) push the spreader as quickly as possible b) overlap swaths c) operate the spreader during times of low relative humidity d) overlap one application with another at right angles to the fi | d) overlap one application with another at right angles to the first |
| The distribution pattern of a rotary spreader is best determined by: a) collecting distributed particles in a series of shallow, cardboard boxes b) operating the spreader on a paved area and observing the pattern c) reading the manufacturer's literatur | a) collecting distributed particles in a series of shallow, cardboard boxes |
| Sprayers used for applications to tree foliage usually are not calibrated before treatment because: a) these spray treatments are usually applied to the point of runoff b) these sprayers are difficult to calibrate c) these sprayers are factory-calibrat | a) these spray treatments are usually applied to the point of runoff, therefore calibration is not necessary |
| When using an air-blast sprayer, competent operation is especially critical because: a) the spray pattern is difficult to detect b) these sprayers are expensive and easy to damage c) the extent of coverage is almost impossible to determine d) both a and c | d) (both a and c) the spray pattern is difficult to detect and the extent of coverage is almost impossible to determine |
| Strainers are not necessary on the : a) filler opening b) boom between nozzles c) nozzle body d) supply line to the pump | b) boom between nozzles |
| Boom height affects: a) spray pattern uniformity b) nozzle wear c) pesticide dilution d) droplet size | a) spray pattern uniformity |
| After spraying, the initial tank rinse should be made at the application site: a)so that leftover pesticide solution is not spilled when returning to the clean-up area b)to reduce the generation and concentration of wastes at the clean-up area | b)to reduce the generation and concentration of wastes at the clean-up area |
| When preparing a sprayer for storage, which of the following is not done? a) tape over nozzle openings b) flush the system with a water/emulsifiable oil solution c) add antifreeze to the tank d) remove, clean and properly store nozzles and screens | c) add antifreeze to the tank |
| Phytotoxicity is usually characterized by: a) shot-hole-type damage to foliage b) abnormal growth, foliar burn, leaf drop and discolored or spotted leaves c) growths resembling cankers d) wet, slimy areas on foliage | b) abnormal growth, foliar burn, leaf drop and discolored or spotted leaves |
| Which of the following does not contribute to phytotoxicity? a) over watering after pesticide application b) high air temperatures during and immediately after pesticide application c) mixing different forms of pesticides | a) over watering after pesticide application |
| Which of the following is most likely to be damaged by a pesticide? a) holly (small tree) b) tall fescue (grass) c) euonymous (shrub) d) boxwood (shrub) | b) tall fescue (grass) |
| Pesticide persistence is not influenced by: a) soil type or texture b) application rate c) moisture conditions d) total area treated | d) total area treated |
| The downward movement of pesticides through soil is called: a) runoff b) leaking c) leaching d) absorption | c) leaching |
| The best preventative to pesticide runoff on the ground surface is: a) maintained, dense turf b) making applications only on sunny days c) plastic barriers d) using nozzle tips with large orifices | a) maintained, dense turf |
| To prevent volatilization of ester herbicides: a) do not apply when air temperature is above 80 deg.F and relative humidity is high b) lower the vapor pressure setting c) do not apply when air temp is 80-85 deg F and relative humidity is low | c) do not apply when air temp is 80-85 deg F and relative humidity is low |
| Pesticide droplet size can be increased by: a) applying with the nozzle as close to the target as possible b) lowering pump pressure c) increasing pump pressure d) spraying when the relative humidity is high | b) lowering pump pressure |
| The most common form of pesticide degradation is: a) pesticide absorption b) chemical degradation c) photodecomposition d) microbial decomposition | d) microbial decomposition |
| Microbial decomposition of pesticides is most likely to occur: a) in a warm, moist, well-aerated soil with a pH of 6.5-7.0 b) at night c) in a warm, moist, well-aerated soil with a pH of 4.5-5.0 d) to the most toxic pesticides | a) in a warm, moist, well-aerated soil with a pH of 6.5-7.0 |
| Which of the following is not considered a safety precaution when treating on slopes near sensitive areas? a) do not treat if rainfall is imminent b) maintain a buffer zone c) use a larger nozzle opening size d)use the lowest effective rate of applica | c) use a larger nozzle opening size |
| Which of the following statements about regular plant inspections is not true? a)they familiarize one with the pests that inhabit particular plants b)they reduce pest infestations by regularly disturbing the pests c)they result in better pest control | b)they reduce pest infestations by regularly disturbing the pests |
| Curled, cupped, distorted and discolored leaves indicate feeding by: a) spider mites b) caterpillars c) aphids d) leafminers | c) aphids |
| In addition to feeding, aphids damage plants by: a) depositing honeydew b) laying eggs in leaves c) transmitting diseases d) both a and c | d) both a and c - depositing honeydew and transmitting diseases |
| White pines infested with the white pine aphid should be treated: a) when 30% of trees are infested b) when 30% of shoots of individual trees are infested c) when aphids are first noticed d) in late spring | b) when 30% of shoots of individual trees are infested |
| A large, woolly mass on the trunk of a white pine indicates: a) a pine bark adelgid infestation b) a white pine aphid infestation c) a pine needle scale infestation d) an insecticide treatment is needed immediately | a) a pine bark adelgid infestation |
| Which stage of scale insects is easiest to control? a) egg b) crawler c) adult d) larva | b) crawler |
| The best way to avoid sooty mold growth is to: a) control the pests that produce honeydew b) spray the foliage with a fungicide c) remove and burn affected foliage d) encourage air circulation around plants | a) control the pests that produce honeydew |
| A small, oval insect covered with white, fluffy wax found at the base of plant stems is probably a: a) euonymous scale b) whitefly nymph c) mealybug d) eriophyid mite | c) mealybug |
| To detect a whitefly infestation, one should: a) inspect the base of stems b) look on the underside of leaves c) take soil samples d) inspect flower heads with a magnifier | b) look on the underside of leaves |
| Streaked, silvered foliage results from feeding by: a) mites b) lace bugs c) fungus gnats d) thrips | d) thrips |
| Fine webbing and bronzed foliage usually indicate an infestation of: a) mealybugs b) spider mites c) bagworms d) bark beetles | b) spider mites |
| Damage by the two-spotted spider mite is most prevalent: a) on conifers b) during hot, humid weather c) during hot, dry weather d) in spring and fall | c) during hot, dry weather |
| Circular galls on red maple leaves were probably caused by: a) the southern red mite b) true bugs c) leaf miners d) eriophyid mites | d) eriophyid mites |
| Small, black, spiny insects feeding on the underside of azalea leaves probably are: a) lace bug nymphs b) whitefly nymphs c) not going to damage the plant d) plant bug nymphs | a) lace bug nymphs |
| Perhaps the best solution to home invasion by boxelder bugs is: a) insectide treatments in the fall b) sealing points of entry c) removal of boxelder trees d) treating exterior cracks and crevices with insecticides | b) sealing points of entry |
| Cicadas damage trees by: a) sucking sap from roots b) feeling on foliage c) making slits in limbs to deposit eggs d) depositing honeydew | c) making slits in limbs to deposit eggs |
| A distinguishing feature of beetles is: a) they have leathery wings that meet in a straight line b) they have 6 legs c) they have chewing mouthparts d) the larvae are the most destructive life stage | a) they have leathery wings that meet in a straight line |
| Elm foliage exhibiting shot holes and skeletonization probably was fed upon by: a) elm leaf borer b) two-lines plant bug c) elm leaf beetle d) elm bark beetle | c) elm leaf beetle |
| Trees with branch dieback and cracked, weeping bark have been: a) damaged by egg-laying cicadas b) infested with flatheaded or roundheaded borers c) infested with bark beetles d) attacked by scarabs | b) infested with flatheaded or roundheaded borers |
| Roundheaded borers are: a) caterpillars b) not important pests c) weevil larvae d) beetle larvae | d) beetle larvae |
| White-fringed beetle larvae: a) feed in the roots of many trees and shrubs b) are leafminers c) are serious pests of turf d) feed principally on the roots of conifers | a) feed in the roots of many trees and shrubs |
| Small, s-shaped galleries under the bark of a loblolly pine indicate: a) attack by the Southern pine sawyer b) a Southern pine beetle infestation c) egg laying by the pine chafer d) the tree will soon die | b) a Southern pine beetle infestation |
| "Scorching" of black locust foliage is most likely caused by: a) the locust leaf weevil b) Japanese beetles c) the locust leafminer d) a fungus | c) the locust leafminer |
| In general, caterpillars feed: a) on foliage b) in groups c) only at night d) from the tops of plants downwards | a) on foliage |
| Which of the following is not a symptom of attack by Nantucket pine tip moth larvae? a) webbing on needles b) missing shoots and buds c) dead terminals d) oozing exit holes in trunks and large limbs | d) oozing exit holes in trunks and large limbs |
| An adult rhododendron borer may be mistaken for a: a) small wasp b) small moth c) weevil d) caterpillar | a) small wasp |
| Symptoms of attack by the dogwood borer do not include: a) girdling b) cracked bark c) leaf skeletonization d) branch dieback | c) leaf skeletonization |
| Serpentine of blotchy streaks or blisters on the underside of leaves indicates infestation by: a) sawflies b) adelgids c) crawlers d) leafminers | d) leafminers |
| Sawfly larvae usually can be distinguished from caterpillars by: a) their number of prolegs b) their feeding damage c) their mouthparts d) the time of year when they become numerous | a) their number of prolegs |
| Grasshoppers are most likely to cause problems: a) after migrating b) during warm, dry weather c) after heavy rains d) on shrubbery | b) during warm, dry weather |
| Which of the following statements is not true? a) oak galls are usually caused by small wasps b) insect or mite galls can be chemically controlled after gall development c) one gall may contain several insects d) galls are abnormal plant growth | b) insect or mite galls can be chemically controlled after gall development |
| Severed flower stems are the result of feeding by: a) true bugs b) bagworms c) tent caterpillars d) cutworms | d) cutworms |
| Cultural controls for slugs include: a) opening up garden and landscape space b) mulching no deeper than 1 inch c) irrigating affected areas daily d) both a and b | d) both a and b - opening up garden and landscape space and mulching no deeper than 1 inch |
| To reduce the chance of home invasion by termites one should: a) keep wood mulch at least 1 foot away from the base of a structure b) keep wood mulch moist c) bank mulch around the base of plants d) use pine bark mulch | a) keep wood mulch at least 1 foot away from the base of a structure |
| The best method for early detection of pest infestation is: a) to treat first and see what is killed b) regular visual inspections c) inspecting after damage appears d) inspection leaf litter for overwintering pests | b) regular visual inspections |
| The two most important groups of pests damaging turf in Tennessee are: a) white grubs and cutworms b) sod webworms and white grubs c) armyworms and webworms d) billbugs and crickets | a) white grubs and cutworms |
| The best times to sample for white grubs are: a) early spring and late fall b) at noon and at dusk c) in the spring after the soil warms up and mid-July to early August d) early spring to mid-July | c) in the spring after the soil warms up and mid-July to early August |
| Which of the following statements about white grub control in not true? a)thatch removal or aeration may enhance control b)spring treatments give best control c)best time to treat is from mid-July - mid-Aug. d)affected turf can be cut & lifted for sam | b)spring treatments give best control |
| An important fact regarding sampling for May and June beetle grubs is: a) they have a high economic threshold (>20/sq.ft) b) stressed turf can tolerate as many grubs as healthy turf c) sampling should be done in the top 3 to 4 inches of soil | c) sampling should be done in the top 3 to 4 inches of soil |
| Cleanup of weedy areas may reduce numbers of: a) mole crickets b) Asiatic garden beetles c) masked chafers d) black turfgrass ataenius | b) Asiatic garden beetles |
| Which of the following statements about Oriental beetles is not true? a) adults are major pests of fruit trees b) the grubs are more prevalent in unshaded and closely mown turf c) they have one generation a year d) adults vary in color | a) adults are major pests of fruit trees |
| This insect is primarily a pest of golf courses. a) Japanese chafer b) cicada killer c) black turfgrass ataenius d) Oriental beetle | c) black turfgrass ataenius |
| Billbug larvae are similar in appearance to: a) wireworms b) spittlebug larvae c) white grubs d) clover mites | c) white grubs |
| Symptoms of a billbug infestation do not include: a) patchy, dead areas b) a resemblance to dollar spot disease c) easily broken turf stems filled with small droppings d) small mound of soil | d) small mound of soil |
| Wireworms damage turf by: a) boring into the underground parts of stems b) clipping off grass blades and feeding on them underground c) tunneling beneath the soil surface d) sucking plant juices and transmitting diseases | a) boring into the underground parts of stems |
| Small tunneling underneath turf is an indication: a) of a mole cricket infestation b) of a white grub migration c) that sod webworms should be treated d) that fire ants have recently invaded the turf | a) of a mole cricket infestation |
| To control fire ants, one should: a) treat every two weeks beginning in spring b) broadcast a bait, then follow with individual mound treatments c) dethatch infested turf d) treat individual mounds first, then broadcast a bait | b) broadcast a bait, then follow with individual mound treatments |
| Which of the following does not describe cutworms? a) they are mostly hairless b) they are rarely more than 1 inch long when fully grown c) they can appear greasy d) they ofter coil into a spiral when disturbed | b) they are rarely more than 1 inch long when fully grown |
| Cutworm damage appears: a) in late fall b) as large, irregular bare areas c) as circular spots of dead grass or sunken spots d) as blotches on individual leaf blades | c) as circular spots of dead grass or sunken spots |
| What common household item can be used to sample for cutworms and sod webworms? a) steak knife b) flashlight c) dishwashing detergent d) leaf rake | c) dishwashing detergent |
| Which of the following is not true about sod webworm damage? a) the first sign of damage is irregular, brown spots b) damage occurs from May to Sept. c) damaged turf appears ragged d) silk tubes are produced in the thatch of damaged areas | c) damaged turf appears ragged |
| Armyworms and cutworms are similar in that: a) they have similar economic thresholds b) they produce the same type of damage c) they have longitudinal stripes running the length of their sides d) they are moth larvae | d) they are moth larvae |
| Yellowish spots on grass stems are caused by: a) mites b) the "spittle" from spittle bugs c) chinch bugs d) billbug adults | c) chinch bugs |
| The floatation technique of chinchbug sampling includes the use of: a) a large can and water b) soapy water and a wooden frame c) an insecticide drench and a large can d) none of the above | a) a large can and water |
| Which of the following does not apply to leafhopper feeding and damage? a) sap is sucked from leaves and stems b) leaves appear blotched and stippled c) reseeding of new lawns may be necessary d) damage to established lawns appears as white patches | b) leaves appear blotched and stippled |
| This cultural technique can reduce spittlebug numbers. a) daily irrigation b) lowering mowing height c) raising mowing height d) proper dethatching | d) proper dethatching |
| The most prevalent biotic factors affecting plants usually are: a) lack of excess water and sunlight b) weeds c) plant pathogens d) not a problem | c) plant pathogens |
| Most ornamental diseases are caused by: a) nematodes b) fungi c) viruses d) bacteria | b) fungi |
| All of the following are cultural management techniques for fungal diseases except: a) removing and destroying diseased plant parts b) using disease-resistant cultivars c) providing shade d) proper irrigation | c) providing shade |
| The most serious disease of roses is: a) black spot b) cedar-rose rust c) powdery mildew d) Entomosporium (Italics) leaf spot | a) black spot |
| Which of the following does not describe symptoms of Entomosporium leaf spot? b)leaf spots develop depressed, brown centers w/dark, red margins c)symptoms 1st appear on lower branches & spread upward d)symptoms 1st appear on old growth of lower branche | d)symptoms 1st appear on old growth of lower branches |
| All of the following will help reduce dogwood anthracnose except: a) placing trees in shady areas b) providing good air circulation c) removing diseased plant parts d) using drip irrigation | a) placing trees in shady areas |
| Shot holes in dogwood leaves are caused by: a) Septoria (Italics) leaf spot b) spot anthracnose c) dogwood rust d) powdery mildew | b) spot anthracnose |
| The fungus which causes apple scab overwinters primarily: a) on alternate hosts b) on stored apples c) in the bodies of insects d) on dead leaves | d) on dead leaves |
| Galls on cedar and leaf spots on apple are caused by: a) nematodes b) rust disease c) vascular wilt d) a virus | b) rust disease |
| Powdery mildew growth is enhanced by: a) high temperatures & high relative humidity b) proper fertilization & wet foliage c) insect feeding d) cool night time temperatures, high relative humidity & lush plant growth | d) cool night time temperatures, high relative humidity & lush plant growth |
| White growth on leaves and misshapen flowers are symptoms of: a) powdery mildew b) anthracnose c) fireblight d) Phomopsis (Italics) blight | a) powdery mildew |
| When should fungicides be applied to prevent leaf galls? a) in early fall b) at bud break c) when spores appear on galls d) any time of year | b) at bud break |
| Rapid death of foliage on lower branches of juniper is usually caused by: a) root rot b) cedar mildew c) gray mold d) Phomopsis (italics) blight | d) Phomopsis (italics) blight |
| To avoid root rot, the following is not recommended: a) install healthy plants b) locate plants in a well-drained area c) apply a fungicide drench to the base of the affected plant d) remove diseased plants | c) apply a fungicide drench to the base of the affected plant |
| When or where are fungicide drenches recommended for protection against root rot? a) in the landscape b) during nursery propagation c) during rainy weather d) during droughts when symptoms become severe | b) during nursery propagation |
| Stem rots are more prevalent on: a) fruit trees b) herbaceous ornamentals c) plants under drought stress d) pine trees | b) herbaceous ornamentals |
| Damping off is: a) caused by a bacteria b) not controlled by fungicides c) a stem rot affecting ornamental seedlings d) most damaging to woody ornamentals | c) a stem rot affecting ornamental seedlings |
| A small, discolored, water-soaked spot on a limb usually indicates: a) the beginning of a canker b) the tree is over-watered c) a black know is forming d) the plant has a vascular wilt infection | a) the beginning of a canker |
| Dogwood canker affects dogwoods in all of the following ways, except: a) causes water sprouts to form b) makes tress more susceptible to borers c) causes decline over the years d) increases susceptibility to breakage | a) causes water sprouts to form |
| Black knots are most often found on: a) rose stems b) geraniums and petunias c) the underside of leaves d) plum and cherry trees | d) plum and cherry trees |
| Which of the following is not a good method for black knot removal? a)prune 3-4 in. below the knot on small limbs b)on large limbs, remove knots & healthy wood 2-3 in. around the knot c)prune out small infected limbs in summer | c)prune out small infected limbs in summer |
| If a mimosa tree is diagnosed with a severe case of vascular wilt, the best solution is to: a)treat the tree with an appropriate fungicide b)irrigate until symptoms disappear c) remove the tree, including roots d) prune out the diseased parts | c) remove the tree, including roots |
| Which of the following is not a symptom of a vascular wilt disease? a)discolored streaks occur in the wood of affected branches b)usually only one side of the plant is first affected c)individual limbs & branches wilt & die back d)lesions appear on leaf | d)lesions appear on leaves |
| Symptoms of Lophodermium needlecast of white pine may be confused with: a) symptoms of pine crown gall b) annual needle fall shed c) symptoms of rust disease d) damage caused by white pine aphids | b) annual needle fall shed |
| Most crown gall occur: a) at or below the soil line b) primarily on herbaceous ornamentals c) on young plants d) during cool weather | a) at or below the soil line |
| All of the following will reduce incidence of crown gall except: a) control of root-feeding insects b) avoid wounding plants c) placing plants in full sun d) removal of infected plants | c) placing plants in full sun |
| Shot-hole-type symptoms are caused by: a) nematode feeding b) bacterial leaf spots c) leaf galls d) powdery mildew | b) bacterial leaf spots |
| Spread of fireblight is most rapid: a) during wet weather b) when susceptible plants are in bloom c) in midsummer d) when plants are dormant | b) when susceptible plants are in bloom |
| The best way to prevent the fireblight bacterium from overwintering is to: a) spray the ground under the tree with a bacteriacide b) treat the roots with a fungicide drench c) remove fallen fruit d) prune out diseased branches | d) prune out diseased branches |
| A distinguishing characteristic of bacterial leaf scorch is: a) younger leaves in the lower canopy are affected first b) green leaf tissue is separated from scorched tissue by a yellow halo c) trees recover within one year without treatment | b) green leaf tissue is separated from scorched tissue by a yellow halo |
| Which of the following does not result from wetwood disease? a) formation of water sprouts b) infection by secondary pathogens c) attack by wood-infesting insects d) bark and cambium damage | a) formation of water sprouts |
| Which of the following should not be done to prevent diseases caused by viruses? a) control insects which spread the diseases b) practice good sanitation c) frequently irrigate affected plants d) avoid wounding plants | c) frequently irrigate affected plants |
| Diagnosis of Impatiens Necrotic Spot Virus is difficult because: a) symptoms vary with host and host age b) symptoms are difficult to detect c) plant die without symptoms occurring d) the disease occurs on only a few, obscure plant species | a) symptoms vary with host and host age |
| The best way to determine if nematodes are causing a plant problem is to: a)have the roots and soil near the roots assayed b)apply a nematicide and wait to see if the plant health improves c)dig up the plant and examine the roots with a hand lens d)there | a)have the roots and soil near the roots assayed |
| All of the following are symptoms of nematode injury except: a) swelling of roots b) stippling and spotting of foliage c) wilting d) stunting of plant growth | b) stippling and spotting of foliage |
| If all of the plants in a large flower bed are in decline, the most probable cause is: a) a fungus b) a cultural practice c) an environmental condition d) both b and c | d) both b) a cultural practice and c) an environmental condition |
| Most turfgrass diseases are caused by: a) viruses b) fungi c) nematodes d) bacteria | b)fungi |
| In addition to optimal temperatures, what else is necessary for the development of fungal disease? a)free water on leaves b)good air circulation c)adequate sunlight d)compacted, waterlogged soil | a)free water on leaves |
| The classic symptom of this disease in closely mowed turf is a "smoke ring" of grayish mycelium on the edge of a brown, dead patches of grass a)brown patch b)fairy rings c)dollar spot d)powdery mildew | a)brown patch |
| the most serious disease of tall fescue in the summer is a)dollar spot b)fusarium patch c)brown patch d)red thread | d)brown patch |
| small, straw colored patches no greater than 3 inches in diameter indicate which of the following diseases a)fusarium patch b)brown patch c)spring dead spot d)dollar spot | d)dollar spot |
| Dollar spot is most prominent a)in spring and fall during warm, moist weather b)on tall fescue c)in mid-summer, during wet weather d)in east Tennessee | a) in spring and fall during warm, moist weather |
| symptoms of fairy rings include a)small, brown patches b)very green grass within a ring of dying grass c)mushrooms randomly scattered within a sing of dying grass d)dry soil within a ring of very green grass | d)dry soil with in a ring of very green grass |
| Which of the following does not prevent or reduce the severity of fairy rings? a)aerating the soil b)removing thatch c)maintaining proper soil moisture d)extra fertilization | d)extra fertilization |
| this disease occurs in cold, wet weather usually developing under snow or leaf cover a)powdery mildew b)red thread c)fusarium patch d)slime mold | c)fusarium patch |
| to reduce incidence of fusarium patch a)fertilize regularly during fall and winter b)remove fallen leaves and avoid over fertilization before cold, wet weather c)apply fungicides to leaf litter d)overseed with fescue or rye grass | b)remove fallen leaves and avoid over fertilization before cold, wet weather |
| This disease produces small, purple-to-reddish-brown circular lesions on grass blades that may enlarge and girdle the leaf a)red thread b)helminthosporium-type c)stripe smut d)brown blade | b)helminthosporium-type |
| Helminthosporium-type diseases are most damaging a)during summer drought b)during cool, wet weather c)during warm, wet weather d)on tall fescue | a)during summer drought |
| Usually the only turfgrass host of powder mildew in tennessee is a)tall fescue b)bentgrass c)zoysiagrass d)bluegrass | d)bluegrass |
| which of the following will not reduce incidence of powdery mildew a)using a lower mowing height b)using shade-tolerant cultivars c)reducing shade d)using a higher mowing height | a)using a lower mowing height |
| which of the following is not a symptom of pythium blight a)red streaks on leaves b)the shape of the diseased area follows the drainage pattern c)water-soaked, soft and slimy leaves d)cottony mycelium | a)red streaks on leaves |
| A management plan for pythium blight would include a)lowering mowing height, avoiding fungicide application, extra irrigation b)improving soil drainage, reducing nitrogen fertilization, preventative fungicide applications c)increasing nitrogen fertiliz | b)improving soil drainage, reducing nitrogen fertilization, preventative fungicide applications |
| This disease develops from the tip of the leaf downward and produces red fiber-like material protruding from the end of cut leaves a)red dust b)fairy rings c)red thread d)pythium blight | c)red thread |
| red thread is more prevalent a)during warm, dry weather in late spring and early fall b)on bermudagrass and zoysiagrass c)during cool, moist weather in fall d)during cool, moist weather in spring and early summer | d)during cool, moist weather in spring and early summer |
| this disease produces pustules on grass blades, releasing spores that can be rubbed of by hand a)leaf rust b)slime mold c)Helminthosporium-type d)stripe smut | a)leaf rust |
| resistant cultivars are available for a)red thread b)slime molds c)leaf rust d)spring dead spot | c)leaf rust |
| which of the following is not a true pathogen of turfgrass a)white patch b)dollar patch c)stripe smut d)slime mold | d)slime mold |
| manual removal is a recommended control for a)nematodes b)slime molds c)powdery blight d)fairy patch | b)slime molds |
| all of the following are symptoms of spring dead spot except a)turf with low areas containing weeds b)dead spots in 3 to 5 year old bermudagrass c)annually reoccurring, expanding dead spots b)small dead spots in newly established lawns | b)small dead spots in newly established lawns |
| Cold hardiness of bermudagrass can be improved by a)applying potassium in late summer b)reducing mowing height c)applying phosphorous in late summer d)both a and b | a)applying potassium in late summer |
| which of the following is not true about stripe smut a)it is most noticeable in spring and fall b)it spreads rapidly at high temperatures c)leaves split lengthwise to reveal black spore d)proper fertilization and infrequent, deep watering help infect | b)it spreads rapidly at high temperatures |
| death of tall fescue blade tips and mushrooms growing on blades are symptoms of a)stripe smut b)white patch c)slime mold d)dog patch | b)white patch |
| which of the following is not true about nemotodes a)mid summer is the best time to assay soil for nematodes b)they are most damaging in light soils c)they cause turf to respond poorly to fertilization and irrigation d)nematode resistant turf speacies | a)mid summer is the best time to assay soil for nematodes |
| resistant cultivars are available for a)red thread b)slime molds c)leaf rust d) spring dead spot | c)leaf rust |
| nematode injury on a golf course is most likely caused by a)striped nematode b)over watering c)sting nematode d)a plant pathogen | c)sting nematode |
| conditions favoring algal growth include a)open, sunny environment b)dense turf cover c)frequently irrigated, well aerated soil d)wet weather and compacted soil | d)wet weather and compacted soil |
| which of the following is not a control for algae a)improving soil drainage b)using resistant turf cultivars c)fungicide application d)copper sulfate application | b)using resistant turf cultivars |
| all of the following will help control mosses except a)copper sulfate applications b)maintaining healthy turf c)fungicide application d)super phosphate application | c)fungicide application |
| What is a herbicides mode of action? a)its self life. b)how it affects a person who has come into contact with it. c)its labeling as it pertains to susceptible plants. d)how it affects and kills plants | d)how it affects and kills plants |
| When should a preemergent herbicide be applied? a) just after a rain b)a week or two before the target weed emerges c)afters weeds have emerged, but before they flower. d)when the target weed is first seen. | b)a week or two before the target weed emerges |
| a systemic herbicide a)causes injury to a plant at the site of contact only b)is used for preemergent weed control only. c)moves within the tissues of plants. d)should not be used on established weeds | c)moves within the tissues of plants. |
| Which of the following factors does not affect the rate and amount of uptake of a herbicide by a weed? a)air temperature b)age and sized of the weed. c)relative humidity d)the number of weeds being treated. | d)the number of weeds being treated. |
| post-emergent herbicides are usually used to treat a)established grass weeds. b)established broadleaf weeds. c)perennial weeds. d)summer annual weeds | b)established broadleaf weeds |
| winter annual weeds a)are easiest to control in the fall b)live year round. c)germinate in the winter and flower in the summer. d)are more difficult to control than summer annuals | a)are easiest to control in the fall |
| This prostrate weed is often found in high-traffic areas a)dandelion b)knot weed c)Carolina geranium d)white clover | b)knot weed |
| which of the following does not describe prostrate spurge? a)opposite tooted leaves. b)low growing. c)very small pinkish-white flowers d)coarse, hairy leaves | d)coarse, hairy leaves |
| This weed produces large amounts of irritating pollen a)common ragweed b)common knotweed. c)henbit d)carpet weed | a)common ragweed |
| this summer annual has smooth stems forming large flat mats. a)kochia b)carpetweed c)rugweed. d)curly dock | b)carpetweed |
| This broadleaf has a deep taproot and is occasionally used as an ornamental a)dandelion b)foxtail c)henbit d)kochia | d)kochia |
| this broadleaf winter annual has egg shaped leaves and small, white flowers with deeply notched petals a)henbit b)mousear c)white clover d)common chickweed | d)common chickweed |
| which of the following weeds is a winter annual a)mouseear b)henbit c)crabgrass d)yellow nutsedge | b)henbit |
| this weed maybe misidentified as henbit a)carolina geranium b)chickbit c)red deadnettle d)wild violet | c)red deadnettle |
| which of the following does not describe carolina geranium a)its flowers are light pink to purple b)it has hairy leaves. c)its stems are hairy and pink to red d)it is a perennial | d)it is a perennial |
| This perennial produces a long, think, fleshy taproot a)dandelion b)dock) c)henbit d)wild violet | a)dandelion |
| Broadleaf dock and curly dock are similar in appearance except that a)the older leaves of broadleaf dock are purplish and those of curly dock are green. b)the leaves of curly dock are much narrower than those of broadleaf dock c)their flowers are of di | b)the leaves of curly dock are much narrower than those of broadleaf dock |
| The leaves of mousear chickweed can be described a)opposite b)alternate, small, dark green and hairy c)large, reddish-green and hairy d)deeply notched, light-green and smooth | a)opposite |
| Plantains are a)broadleaf winter annuals b)broadleaf summer annuals c)broadleaf perennials d)not considered weeds | c)broadleaf perennials |
| this perennial has trifoliate, egg shaped leaves and small, white flowers a)white clover b)broadleaf plantain c)white violet d)ground ivy | a)white clover |
| This perennial reproduces by underground bulbs and above ground bulblets a)wild garlic b)purple nut-sedge c)wild violet d)broadleaf plantain | a)wild garlic |
| this broadleaf perennial has heart shaped leaves and purple flowers a)purple clovers b)henbit c)curly dock d)wild violet | d)wild violet |
| you find a minty smelling weed growing in a shady moist area it is probably a)nimblewill b)ground ivy c)wild violet d)poison ivy | b)ground ivy |
| which of the following is not true about crabgrass a)rooting can occur at the lower joints of stems b)it is a summer annual c)it reproduces by seed and by underground tubers d)seed are produced on 3 to 10 finger like branches on tops of stems | c)it reproduces by seed and by underground tubers |
| the stems of this grass have distinctive silver and white centers a)goosegrass b)dallisgrass c)crabgrass d)annual bluegrass | a)goosegrass |
| foxtails have a flower heads that a)have clusters of small, white flowers b)are arranged in the shape of a pyramid c)are dense, bristly and spike like d)are green and globular | c)are dense, bristly and spike like |
| this annual grass has leaves with boat shaped tips and pyramid shaped seed heads a)dallisgrass b)annual grass c)zoysiagrass d)common goosegrass | b)annual grass |
| this perennial is sometimes uses as a turfgrass a)crabgrass b)common bermudagrass c)common bluegrass d)kyllinga | b)common bermudagrass |
| this perennial grass produces seed stalks of up to several feet in height a)yellow nutsedge b)common bermudagrass c)dallisgrass d)crabgrass | c)dallisgrass |
| This grass may be mistaken for a dense stand of crabgrass a)nimblewill b)dallisgrass c)bermudagrass d)yellow nutsedge | a)nimblewill |
| which of the following is not characteristic of yellow nutsedge a)it superficially resembles a grass b)if has solid triangular stems c)it has underground tubers which produce new plants d)it produces yellow flowers | d)it produces yellow flowers |
| this weed can grow to 15 inches in height or in a prostrate manner a)carpetweed b)purple nutsedge c)kochia d)kylinga | d)kylinga |
| which of the following best describes Japanese honeysuckle a)a climbing vine with succulent stems and tublar flowers. b)a climbing vine with woody stems and tubular flowers c)a trailing vine with woody stems and small round flowers d)a woody shrub wit | b)a climbing vine with woody stems and tubular flowers |
| this weed can grow as low shrub or as a climbing vine a)ground ivy b)japanese honeysuckle c)poison ivy d)kudzu | c)poison ivy |
| kudzu can be distinguished from other woody vines by a)leaf size and shape b)its flowers c)life cycle d)both a and b | d)both a and b |
Created by:
mgunter