Illinois Pesticide Applicator Rights-Of-Way Exam Questions with 100% Verified Answers

first step in weed control - Answer- identification of weed broadleaf weeds - Answer- netted veins narrowleaf weeds (grasses) - Answer- long, thin leaves with parallel veins areas preferred by annuals - Answer- soil is disturbed or perennial plants are spotty/poor areas preferred by winter annuals - Answer- soil is disturbed in fall or left exposed over winter areas preferred by biennials - Answer- areas not mowed or disturbed areas preferred by perennials - Answer- areas with minimal soil disturbance Examples foxtail, crabgrass, common chickweed, henbit - Answer- annuals weeds Examples garlic mustard, wild carrot, bull thistle, common teasel - Answer- Biennial Weeds Examples Johnsongrass, dandelion, Canada Thistle, honeysuckle - Answer- Perennial Weeds Herbaceous perennial - Answer- die in fall, but root systems overwinter woody perennial - Answer- persistent aboveground stems that remain each season monocotyledons (monocots) - Answer- parallel-veined leaves that are much longer than they are wide; grasses or grasslike dicotyledons (dicots) - Answer- netted-veins that are usually less elongated than grass; broadleaves vegetative characteristics used to identify grass weeds - Answer- collar region, ligule, stem shape, nodes, presence of hair vegetative characteristics used to identify broadleaf weeds - Answer- cotyledons, leaves, flowers, fruits, roots noxious weeds - Answer- control is required by law; common ragweed, giant ragweed, marijuana, musk/Canada thistle exotic weeds - Answer- cannot be sold/used without permit issued by govt; Japanese honeysuckle, Chinese buckthorn, giant hogweed best weed control programs integrate - Answer- cultural and chemical control methods; Integrated Weed Management benefits of cultural control - Answer- controls weeds indirectly, perennial grasses prevent erosion, mulch/gravel helps keep weed pressure down disadvantages to biological control - Answer- weed species specific and slow to show results girdling - Answer- process of cutting ring around woody plant through bark and sapwood; interrupt sap flow grubbing - Answer- uprooting by pulling/digging herbicides - Answer- chemicals used to control,suppress, or kill plants factors to be considered when using chemical control - Answer- environmental risks, weather, soil textures, proximity to water growth regulators - Answer- chemically slow down plants; best used steep slopes or areas when mowing is difficult factors that can lessen penetration or absorption - Answer- leaf surface/cuticule waxes photosynthetic inhibitors - Answer- prevent photosynthesis in plants; chlorosis/rapid wilting; nonselective growth hormones - Answer- causes growth abnormalities; used on foliage; leaf rolling/twisting of stems meristematic inhibitors - Answer- affect growing points of plants phosphono amino acid derivatives - Answer- applied to foliage because they have very little soil activity; chlorosis; stunting and narrow upright leaves ACCase Inhibitors - Answer- foliar applied herbicides that selectively control grass; broadlead unaffected ALS enzyme inhibitors - Answer- absorbed through the foliage and roots and translocated to growing areas; growth stops immediately dinitroanilines - Answer- soil applied; used to control small seeded broadleaves and annual grasses; grass shoots appear red or purple done to prevent herbicide resistance - Answer- scout regularly, rotate herbicides, combine different controls, clean equipment two ways observed for herbicide resistance - Answer- alterations in target site; enhanced metabolism small trees for girdles - Answer- 1/2 - 1 1/2 inches deep and 1 or 2 inches wides larger trees girdles - Answer- 1 - 2 inches deep and 6 - 8 inches wide frilling - Answer- variation of girdling; downward angled cuts are made around tree; ax or hatchet