ILLINOIS PESTICIDE APPLICATOR RIGHTS-OF-WAY EXAM QUESTIONS AND ANSWERS WIT COMPLETE SOLUTIONS GRADED A++
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 distu...
persistent aboveground stems that remain each season
monocotyledons (monocots)
parallel-veined leaves that are much longer than they are 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
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