Illinois Pesticide Applicator Rights-Of-Way Exam with verified
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detailed answers ||
first step in weed control - ✔✔identification of weed
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broadleaf weeds - ✔✔netted veins
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narrowleaf weeds (grasses) - ✔✔long, thin leaves with parallel veins
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areas preferred by annuals - ✔✔soil is disturbed or perennial plants are spotty/poor
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areas preferred by winter annuals - ✔✔soil is disturbed in fall or left exposed over winter
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areas preferred by biennials - ✔✔areas not mowed or disturbed
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areas preferred by perennials - ✔✔areas with minimal soil disturbance
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Examples foxtail, crabgrass, common chickweed, henbit - ✔✔annuals weeds
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Examples garlic mustard, wild carrot, bull thistle, common teasel - ✔✔Biennial Weeds
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Examples Johnsongrass, dandelion, Canada Thistle, honeysuckle - ✔✔Perennial Weeds
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Herbaceous perennial - ✔✔die in fall, but root systems overwinter
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, woody perennial - ✔✔persistent aboveground stems that remain each season
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monocotyledons (monocots) - ✔✔parallel-veined leaves that are much longer than they are
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wide; grasses or grasslike
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dicotyledons (dicots) - ✔✔netted-veins that are usually less elongated than grass;
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broadleaves
vegetative characteristics used to identify grass weeds - ✔✔collar region, ligule, stem shape,
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nodes, presence of hair
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vegetative characteristics used to identify broadleaf weeds - ✔✔cotyledons, leaves, flowers,
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fruits, roots ||
noxious weeds - ✔✔control is required by law; common ragweed, giant ragweed,
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marijuana, musk/Canada thistle || ||
exotic weeds - ✔✔cannot be sold/used without permit issued by govt; Japanese
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honeysuckle, Chinese buckthorn, giant hogweed || || || ||
best weed control programs integrate - ✔✔cultural and chemical control methods;
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Integrated Weed Management || ||
benefits of cultural control - ✔✔controls weeds indirectly, perennial grasses prevent
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erosion, mulch/gravel helps keep weed pressure down
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disadvantages to biological control - ✔✔weed species specific and slow to show results
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detailed answers ||
first step in weed control - ✔✔identification of weed
|| || || || || || || ||
broadleaf weeds - ✔✔netted veins
|| || || ||
narrowleaf weeds (grasses) - ✔✔long, thin leaves with parallel veins
|| || || || || || || || ||
areas preferred by annuals - ✔✔soil is disturbed or perennial plants are spotty/poor
|| || || || || || || || || || || ||
areas preferred by winter annuals - ✔✔soil is disturbed in fall or left exposed over winter
|| || || || || || || || || || || || || || ||
areas preferred by biennials - ✔✔areas not mowed or disturbed
|| || || || || || || || ||
areas preferred by perennials - ✔✔areas with minimal soil disturbance
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Examples foxtail, crabgrass, common chickweed, henbit - ✔✔annuals weeds
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Examples garlic mustard, wild carrot, bull thistle, common teasel - ✔✔Biennial Weeds
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Examples Johnsongrass, dandelion, Canada Thistle, honeysuckle - ✔✔Perennial Weeds
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Herbaceous perennial - ✔✔die in fall, but root systems overwinter
|| || || || || || || || ||
, woody perennial - ✔✔persistent aboveground stems that remain each season
|| || || || || || || || ||
monocotyledons (monocots) - ✔✔parallel-veined leaves that are much longer than they are
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wide; grasses or grasslike
|| || ||
dicotyledons (dicots) - ✔✔netted-veins that are usually less elongated than grass;
|| || || || || || || || || || ||
broadleaves
vegetative characteristics used to identify grass weeds - ✔✔collar region, ligule, stem shape,
|| || || || || || || || || || || || ||
nodes, presence of hair
|| || ||
vegetative characteristics used to identify broadleaf weeds - ✔✔cotyledons, leaves, flowers,
|| || || || || || || || || || ||
fruits, roots ||
noxious weeds - ✔✔control is required by law; common ragweed, giant ragweed,
|| || || || || || || || || || || ||
marijuana, musk/Canada thistle || ||
exotic weeds - ✔✔cannot be sold/used without permit issued by govt; Japanese
|| || || || || || || || || || || ||
honeysuckle, Chinese buckthorn, giant hogweed || || || ||
best weed control programs integrate - ✔✔cultural and chemical control methods;
|| || || || || || || || || || ||
Integrated Weed Management || ||
benefits of cultural control - ✔✔controls weeds indirectly, perennial grasses prevent
|| || || || || || || || || || ||
erosion, mulch/gravel helps keep weed pressure down
|| || || || || ||
disadvantages to biological control - ✔✔weed species specific and slow to show results
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