Pesticide license ornamental and turf for nc

has a flattened rosette of narrow leaves
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
Yellow and purple nutsedge
Pitfall traps work for
Pheromone traps work for
adult japanese beetle, black cutworm moth, larger sod webworm moth
Light traps work for
moths of cutworms,sod webworms, night flying beetles
chinch bugs
soap/water flush
finding mole crickets, sod webworms, army worms, and catapillars
2 ounces dishsoap to 4 gallons of water
Root feeders
japanese beetle, green june beetle, masked chafer, oriental beetle, mole cricket, and ground pearls
pests that mature complete meteamorphisis
moth, beetle, cutworm, army worm, sod webworm, and billbug
Perrennial grasses
Dallis grass,is fast growing warm season grass with reddish looking leaf sheath, bloated fat and hairy
Broadleaf weeds
prostate spurge, common chickweed, henbit, dandelion, plantains, white clover, and wild garlic
disease pyramid
enviroment, pathogen, host and time
if any are missing no disease will occur
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
caused by pathogens such as fungi, bacteria, and viruses
Brown patch (rhitzoctonia blight)
Common disease of tall fescue
irregular rings,patches brown, tan foliage
avoid excessive irrigation and high nitrogen in warm temps
large patch
disease of warm season grass
irregular brown,yeloow, orange patches 1 to ft in diameter
no fertlilizer 6 wks. before winter dormacy
systemic fungicides
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
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
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
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
during wet conditions this disease exhibits a white to pinkish cover of mycelia, the mycelia are usually
Gray leaf spot
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
Affects kentucky bluegrass, fescue, perinnial ryegrass, and bermuda
melting out, leaf spot, crown and root rot
Pythium blight
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
A microscopic, wormlike animal that can be parasitic on plants
cause leaf spots, wilts, dieback, rots and cankers
cause shoot blights, leaf spots, soft roots, and galls
cause stunting, discoloration, malformation of plant tissues
no control
Food source for most nematodes
most common pathogen of diesease of turf and ornamentals
disadvantages of fungicides
high costs, toxicity, and short periods of control
lawn moths
Is another name for sod webworms.
-Active only at night
slightly toxic
moderate toxicity
toxic compounds that are corrosive and may cause irreversible skin and eye damage
extremely toxic when consumed inhaled or absobed through skin or eyes
cool season grasses
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 that get snow, they may become dormant and turn brown.
warm season grasses
Zoysiagrass, Bermudagrass, bahia, st augustine, seashore paspalum, carpet
pests mature gradual metemorphisis
nymphs, chinch bug, mole cricket
Leave/stem feeders
aphids, cutworm, army worm, billbug, chinch bug, weevil, leafhopper, grasshopper
chewing insects
azalea catapillar, jap beetle, eastern tent catapillar, fall webworms, bagworms
wood boring
southern pine beetle and asian ambrosia beetle
sucking pests
aphids, azalea lace bugs, armored scales, soft scales, thrips, spider mits
biological control
A method of pest control that involves the use of naturally occurring disease organisms, parasites, or predators to control pests
cultural control
is used to make the crop environment unsuitable for pest to feed, live, or reproduce, and to improve the health of the crop
For precise application of granular pesticides near sensitive enviroments
Drop spreaders
white clover
ID:white or pinkish spherical flower heads & 3-part leaves
summer annual grasses
crabgrass, goosegrass
control selective postemergence
Which plant has a square stem?
Tagged In :

Get help with your homework

Haven't found the Essay You Want? Get your custom essay sample For Only $13.90/page

Sarah from studyhippoHi there, would you like to get such a paper? How about receiving a customized one?

Check it out