Oregon Forestry Pesticide Applicator Practice Exam

These questions are part of the practice quiz. Start practicing

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