Pesticide license ornamental and turf for nc exam 2023 questions and answers

Dandelions - Answer- has a flattened rosette of narrow leaves Dallisgrass - Answer- grows in clumps but has short, stout rhizomes; about the same texture as St. Augustinegrass; produces unsightly seedheads; tends to grow faster than turfgrasses after mowing; difficult to control Sedges - Answer- Yellow and purple nutsedge Pitfall traps work for - Answer- billbugs Pheromone traps work for - Answer- adult japanese beetle, black cutworm moth, larger sod webworm moth Light traps work for - Answer- moths of cutworms,sod webworms, night flying beetles Flotation - Answer- chinch bugs soap/water flush - Answer- finding mole crickets, sod webworms, army worms, and catapillars 2 ounces dishsoap to 4 gallons of water Root feeders - Answer- japanese beetle, green june beetle, masked chafer, oriental beetle, mole cricket, and ground pearls pests that mature complete meteamorphisis - Answer- moth, beetle, cutworm, army worm, sod webworm, and billbug Perrennial grasses - Answer- Dallis grass,is fast growing warm season grass with reddish looking leaf sheath, bloated fat and hairy Broadleaf weeds - Answer- prostate spurge, common chickweed, henbit, dandelion, plantains, white clover, and wild garlic disease pyramid - Answer- enviroment, pathogen, host and time if any are missing no disease will occur disorders - Answer- caused by unfavorable conditios such as extreme temps, soil compaction, injury from machines or chemicals, or too little or too much water, fertilizer, and light diseases - Answer- caused by pathogens such as fungi, bacteria, and viruses Brown patch (rhitzoctonia blight) - Answer- Common disease of tall fescue irregular rings,patches brown, tan foliage avoid excessive irrigation and high nitrogen in warm temps large patch - Answer- disease of warm season grass irregular brown,yeloow, orange patches 1 to ft in diameter no fertlilizer 6 wks. before winter dormacy systemic fungicides - Answer- translocate w/in plant and can control fungi already in plant provides longer periods of residual disease control, absorbed through cuticle, not washed off by rain Protectant fungicide - Answer- fungicides that are used to protect uninfected plants by inhibiting development of spores or mycelia on the surface, but is ineffective against established infections Dollar spot - Answer- circular brown to straw-colored sunken spots about the size of a silver dollar; may be mistaken for brownpatch except for lesions on leaf blades of live plants near border of patch Fairy ring - Answer- What disease has the following characteristics: circular bands of dark-green, fast-growing turf that are often accompanied by mushrooms or puffballs? pink snow mold - Answer- during wet conditions this disease exhibits a white to pinkish cover of mycelia, the mycelia are usually Gray leaf spot - Answer- primarily affects St. Augustinegrass; likes moisture, warm weather, and shade; roundish tan colored lesions with brown or purplish borders of leaf blades; leaves may wither and die Helminthosporium disease - Answer- Affects kentucky bluegrass, fescue, perinnial ryegrass, and bermuda melting out, leaf spot, crown and root rot Pythium blight - Answer- Round to irregular, dark, water soaked, greasy or slimy, sunken patches of matted grass 6 to 12 inches wide. Develops rapidly in hot or cold very wet calm weather Spring dead spot - Answer- Bermudagrass Nematodes - Answer- A microscopic, wormlike animal that can be parasitic on plants Fungi - Answer- cause leaf spots, wilts, dieback, rots and cankers Bacteria - Answer- cause shoot blights, leaf spots, soft roots, and galls Viruses - Answer- cause stunting, discoloration, malformation of plant tissues no control Food source for most nematodes - Answer- microrganisms most common pathogen of diesease of turf and ornamentals - Answer- fungi disadvantages of fungicides - Answer- high costs, toxicity, and short periods of control lawn moths - Answer- Is another name for sod webworms. cutworms - Answer- -Active only at night Caution - Answer- slightly toxic Warning - Answer- moderate toxicity Danger - Answer- toxic compounds that are corrosive and may cause irreversible skin and eye damage Danger-poison - Answer- extremely toxic when consumed inhaled or absobed through skin or eyes cool season grasses - Answer- bluegrasses, bentgrasses, fescues, and ryegrasses, are adapted to cooler temperatures, in an ideal range of 60°F to 75°F. These grasses stay green year-round in areas with mild winters. In areas t