Oregon Forestry Pesticide Applicator Practice Exam

These questions are part of the practice quiz. Start practicing

• Which strategy uses natural or acquired resistance to infection, and may include approaches such as tree breeding or crossprotection?
• Pine needle scale management includes which spray timing and chemicals?
• Dichlorprop (Weedone 2,4-DP) is characterized as which type of herbicide?
• Pocket gophers have how many teeth located outside the mouth?
• Which plant type is described as having two seed leaves, broad net-veined leaves, and tap roots or coarse root systems?
• Douglas fir cone midge: what is its effect on cone development?
• What is required regarding leaks and spills under the forest practices act?
• Which management approach is described for silver spotted tiger moth tents?
• Which statement best describes thrips (order Thysanoptera)?
• Drought injury symptoms include which feature?
• Thinline and streamline applications involve applying a fine stream to the base of the stem; for stems thicker than a thumb, the application should be around the stem. Which option best describes this technique?
• Which statement describes a milky appearance when added to water?
• Basal bark treatments are often slower to show results but are used for selective control. Which statement reflects this timing?
• Imazapyr (Arsenal) is described as which type of herbicide?
• Fall is the best time for applying which herbicide in low rainfall areas?
• The forest practices act requires operators to protect which resources?
• Which pest attacks spruce, arborvitae, juniper, hemlock, pine, and other conifers, builds up during warm spring and fall weather, is halted by hot and dry conditions, and causes elongated chlorotic patches on needles, with severe outbreaks causing browning and needle loss?
• Which is a characteristic of rhabdocline needle cast?
• What is the setback distance for aerial applications from fish use or drinking water streams?
• Which order is known as true bugs and is described as having gradual development with piercing-sucking mouthparts and two membranous wings?
• Which pesticide is described as not toxic?
• Which pest overwinters as a pupa inside the cone?
• Which pest outbreaks are aggravated by large windthrow blowdowns when salvage logging is not performed?
• Which pest causes elongated chlorotic patches on foliage, a symptom strongly associated with its feeding activity?
• Which statement best describes general needle disease symptoms?
• In thinline and streamline applications, what concentration should be used?
• Basal bark treatments are used for selective plant treatment and have which characteristics?
• Which order comprises flies, with variable mouthparts and two membranous wings plus two halteres?
• Which list accurately represents the dry herbicide formulations?
• Which tree species are affected by Heterobasidion annosum root disease?
• Swiss needle cast is primarily characterized by which symptom?
• Pocket gopher injury to seedlings is caused by which of the following mechanisms?
• What is the setback distance from non-fish streams for aerial applications?
• Which combination of actions is used to control deer and elk?
• Which group includes brush, shrubs, and trees?
• Which formulation type disperses in water to form a suspension?
• Root or emerging shoot-absorbed herbicides are applied to soil and are described as residual herbicides. Which statement best matches this concept?
• In complete metamorphosis, which statement best describes the relationship between larval and adult foods?
• Mountain beavers cause the most serious damage to which type of plantation?
• Which term best describes the change in form of insects across life stages?
• Deer and elk cause damage in plantations primarily through which activities?
• Which disease-management concept involves establishing barriers to infection, using mechanical or chemical methods, and is often used in nurseries?
• What list represents the common liquid formulations?
• Abiotic stress is defined as what?
• Which are the recognized principles of disease control?
• What is the Douglas fir seed chalcid and what is notable about its overwintering stage?
• Which pest defoliates 2-3 needle pines and has larvae in webbing around new growth with fine silken webs?
• What is a major consideration during ground foliar and soil applications?
• Among disease control with chemicals, what is the most critical factor?
• Fosamine (Krenite) is used as a foliage treatment on woody plants and may not show effects immediately; it can also be used as a trimming effect if applied to certain areas. Which statement best describes it?
• Which description matches contact herbicides applied to foliage?
• Summer annuals are defined as what germination pattern?
• Setback distance for helicopter applications around schools and dwellings?
• Which methods are listed as types of chemical control of disease?
• Which pest shows few external signs unless severe, where the cone dies prematurely?
• Winter injury symptoms in trees include which description?
• Which symptom indicates a needle insect general infestation?
• Emulsifiable concentrate characteristics?
• Which agency administers the forest practices act?
• Which order includes cicadas, scales, and aphids and is characterized by piercing-sucking mouthparts and gradual development?
• Which pest lasts several years, repeatedly infests buds and new growth, and Bt treatment has been successful, with recommendations for uneven-aged, multistoried stands and shade-tolerant understory species?
• Parts of calibrating a broadcast sprayer include which factors?
• Cut surface (frill) application involves which process and immediate treatment?
• Which disease is associated with white mycelium under the bark, black rhizomorphs, and honey-colored mushrooms?
• Metamorphosis is defined as what in insects?
• Which statement describes a characteristic of translocated (systemic) herbicides applied foliarly?
• Which type of sprayer is listed as a ground-based option?
• Which order includes moths and butterflies, with siphoning mouthparts and four scaly wings?
• Which chemicals are considered most effective for cut surface applications, noting that esters are not effective except for stumps cut 1–30 days prior?
• Which pesticide may be toxic to deer?
• Which pest is a severe defoliator of Douglas, fir, and other firs, with outbreaks that can last for years and may lead to stands switching to ponderosa?
• Describe a water soluble concentrate.
• In hack and squirt applications, where is herbicide applied?
• Which pest defoliates larches by feeding on needles and then eats all needles the following spring, and is controlled by a parasitic wasp introduced in the 1970s?
• For Armillaria, which planting practice helps reduce spread by avoiding areas near pushed-in stumps and broken roots?
• Which physical description applies to mountain beavers?
• Which indicators and control timing are associated with European pine shoot moth?
• What is the alternate host for Cooley spruce gall adelgid?
• Which pesticide is described as a carbamate?
• What is the setback for other aerial applications from fish use or drinking water streams?
• Which item is not listed as a ground sprayer option?
• Which pair of setback distances is correct for fish-bearing streams versus non-fish streams?
• In dryer climates, mountain beavers are typically found on which slopes?
• Which fungicides are listed for spraying in chemical disease control?
• Modified basal application uses a specific acid-equivalent to diesel ratio and a large water volume. Which detail is accurate?
• Best time to control winter annuals is?
• During ground-based foliar and soil applications, at what height is spraying typically performed?
• Which root rot is identified by gray to cinnamon mycelium on bark at the root collar and on roots, with advice to regenerate with tolerant species and wider spacing?
• In gradual metamorphosis, what is true about the adult stage?
• Dicamba (Banvel) is described as which type of herbicide?
• Best time to control perennials is?
• Cooley spruce gall adelgid is characterized by what feature on spruces?
• Which herbicide is noted as good for resistant grasses?
• Chemical control should be timed to when inoculum is most vulnerable.
• Liquid suspension formulation description?
• Gout disease observed in true firs is introduced by which pest?
• Which order is described as true bugs with two membranous wings and piercing-sucking mouthparts?
• What is the primary management emphasis for wounding and decay fungi in timber harvest?
• What is the effect of Heterobasidion annosum root disease on tree stability?
• In forest aerial spraying, how can spray concentration vary with slope when using helicopters?
• Which disease emerges from the bark of branches and twigs, causing large distortions in growth and a ragged crown, and is managed by planning early harvests of younger plants?
• Within woody plants, which growth form is typically multi-stemmed and under 10 feet tall?
• Which pest usually attacks logging slash, blowdowns, or recently dead or dying trees, and is common after forest fires?
• Which order includes grasshoppers and crickets, with chewing mouthparts and four straight wings?
• Which order includes roaches and mantids, with chewing mouthparts and four flat wings?
• What is a distinctive anatomical feature of pocket gophers?
• Which herbicide is described as having 20-100 days persistence?
• What term describes reducing disease to a level that is no longer a threat, focusing on minimizing inoculum?
• Which pest usually attacks weak trees and can build up to an outbreak, making galleries in fresh phloem?
• Which method is used on occasion but requires landing strips and is usually used near airports on flatter areas?
• Conifers are resistant to which group of grass-control chemicals?
• Which tasks are appropriate for backpack spraying?
• The hemlock woolly adelgid belongs to which family according to the material?
• Which of the following is NOT listed as a group that can cause plant disease?
• Protective chemical treatments (protectants) are typically applied at what stage?
• Which root disease is described as causing fading crowns, shortened leaders, reduced diameter growth, and brown or black staining in root sapwood, with a management buffer strip of 50 feet?
• Which statement best describes the propagation of creeping perennials?
• Animal damage symptoms include which combination?
• Winter annuals are defined as what germination pattern?
• Which time window is recommended for controlling woody plants?
• Balsam woolly adelgid is associated with which host and origin?
• Which statement correctly describes Neuroptera, such as lacewings and antlions?
• Which plant type typically has tap roots or coarse root systems?
• Which herbicide may persist in soil and is described as non-selective?
• Where does the Douglas fir seed chalcid overwinter?
• Which of the following lists factors that influence the persistence of a pesticide?
• Pocket gophers feed primarily on which type of plant parts?
• Which order is described as cicadas, scales, and aphids?
• Which herbicide is broadleaf selective and can leach into groundwater readily in poor sandy soils, though it is broken down by microbial degradation, with a persistence of 20-100 days?
• Practices such as pruning and removal of alternate hosts are associated with reducing inoculum to a nonthreatening level. Which term describes this approach?
• To limit non-target plant damage, what timing options are mentioned?
• Which herbicide is strongly adsorbed to soil, readily degraded by soil microorganisms, has little to no leaching, and is nonselective?
• What is the setback for all aerial applications from open water greater than 1/4 acre?
• Cone bug: what is its feeding and oviposition behavior?
• Which pest infests cypress, juniper, arborvitae, and redwoods, is a silvery colored moth, causes yellowing and browning of infested tips in late winter, and is typically controlled by parasitic wasps but may require systemic pesticide if uncontrolled?
• Douglas fir cone moths: what is their lifecycle in relation to the cone?
• During calibration, how does increasing uniform pressure affect output per acre?
• Best time to control woody plants is?
• Which plant type is described as having one seed leaf, narrow upright leaves with parallel venation, and fibrous root systems?
• Within woody plants, which growth form usually has a single stem and is over 10 feet tall?
• What are control methods used for mountain beavers?
• Which sign indicates potential use of chemical controls for spruce aphid infestation?
• Cut stump treatment should be applied within how many minutes after cutting?
• Which order includes moths and butterflies?
• Amitrole is described as a foliar spray for woody plants with what restrictions?
• In complete metamorphosis, which stage is when transformation into the adult form occurs?
• Rhabdocline needle cast generally requires control.
• Which formulation requires constant agitation to maintain dispersion in tank?
• To effectively control disease chemically, you should...
• Which term describes actions intended to keep a disease or pest out of a defined area, often involving quarantines and inspections?
• Which order is beetles, characterized by chewing mouthparts and elytra that cover the wings?
• What three factors must be present for disease to develop, according to the disease triangle?
• For cut surface applications, which timing is correct for applying the herbicide after making the cut?
• Which pest is identified by fine silken webbing around new needles and where the growth turns brown as larvae are present in the webbing?
• Spruce aphid management is best timed when, and what sign indicates infestation?
• Crossprotection by vaccination is mentioned as part of which disease-management strategy?
• Biotic stress includes which of the following?
• Hemlock woolly adelgid is described as which of the following?
• Which additive is commonly included with triclopyr in basal bark treatments?
• Translocated herbicides can be placed in soil to be taken up by roots but are mainly foliage applied. Which best describes this practice?
• Which pest is described as causing needles to twist and be sticky on true firs?
• Which order includes sawflies, wasps, ants, and bees, with chewing mouthparts and four membranous wings?
• On true firs, which pests are commonly found that produce sooty mold and sticky residues?
• Protective chemicals are typically used in which setting?
• Best time to control biennials is?
• What describes the ideal situation for pest applicators when using pesticides?
• Which set of chemicals is listed as effective for grass control, including triazines such as simazine and atrazine (and hexazinone), with conifers resistant?
• Which pesticide is generally nontoxic to birds?
• Which plant type typically has a fibrous root system?
• Which pest flies and disperses with prevailing winds, is attracted to hosts by pheromones, and worsens after large blowdowns without salvages?
• Hexazinone (Velpar) is typically applied as a foliar treatment in which seasons, and is best for sprouts under what height; it can leach and persist for years?
• Which pesticides are listed as toxic to wildlife?
• In gradual metamorphosis, what happens during the growth stages called instars?
• What control method is listed for Swiss needle cast?
• What symptom does Heterobasidion annosum root disease display at the base of affected trees?
• Which pest is native to Eurasia and has a wide host range, often preferring hardwoods, and can be controlled with Bt, pheromone traps, barriers around boles, or insecticides?
• Fir coneworm: what is the impact on the cone?
• Which formulation category includes granules as a component?
• Best time to control summer annuals is?
• Which pest was controlled by the introduction of a parasitic wasp in the 1970s and is considered under control in forestry?
• Which pest is characterized by a silvery colored moth and late-winter yellowing and browning of infested tips?
• Bark beetle symptoms are typically indicated by which sign?
• Which pest can kill millions of cubic feet of timber and switches between attacked trees through pheromones, making thinning a preventive measure?
• Which is not a dry formulation type?
• Which action is required near streams under the forest practices act?
• Which statement about pesticides and aquatic life is correct?
• Which formulation type is categorized as special formulations?
• For cut stump treatment on larger stems, how much of the stump needs treatment?
• What is the typical body length of pocket gophers?
• Simple perennials propagate by which methods?
• Basal bark treatments are particularly used for which scenario?
• Biennials complete their life cycle within how many years?
• When applying basal bark treatments, which description is correct regarding carrier and placement?