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Turf Pest Control 3B Kansas Questions & answers
Turf Pest Control 3B Kansas Questions & answers
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Turf Pest Control 3B KansasTurfgrass industry in Kansas includes: - CORRECT ANSWER-home lawns,
institutional and industrial grounds, sod production, golf courses, athletic fields
and other recreational turf, parks, roadsides, airports, and cemeteries.
Turf management involves selecting: - CORRECT ANSWER-the right grass,
proper mowing, watering, fertilizing, and controlling thatch.
Geographically, Kansas is - CORRECT ANSWER-is in the transition zone
between the northern cool-season grass range and the southern warm-season
grass range.
Cool season grasses include - CORRECT ANSWER-bluegrass, tall fescue and
ryegrass
Warm season grasses include - CORRECT ANSWER-bermudagrass,
zoysiagrass and buffalograss
The following practices will help maintain overall turfgrass health and prevent
disease development. - CORRECT ANSWER-Select appropriate turfgass
species and varieties, provide adequate drainage, provide appropriate fertility,
avoid compaction, prevent excessive thatch, use appropriate mowing heights,
improve airflow and light availability
The first step in control of turfgrass problems is - CORRECT ANSWER-accurate
diagnosis
To diagnose turfgrass problems follow these steps: - CORRECT
ANSWER-Determine the overall distribution of the problem, identify the affected
turfgrass species and cultivar (if possible), observe symptoms on individual
plants, determine weather conditions before and during disease development,
knowledge of weather conditions will help you select the right disease, determine
potential problems with soil structure or fertility, determine the history of cultural
practices at the site, review pesticide management practices, use reference
materials
,Common turfgrass diseases in Kansas include: - CORRECT ANSWER-brown
patch, dollar spot, fairy ring, large patch of zoysiagrass, lef spot and melting out,
necrotic ringspot, pin snow mold/microdochium patch, powdery mildew, plythium
foliar blight, rusts, spring dead spot, slime molds, andsummer patch
Brown Patch - CORRECT ANSWER-Rhizoctonia salami most common and
important disease of tall fescue in Kansas
Brown patch is a - CORRECT ANSWER-Summer disease
Brown patch is more severe on - CORRECT ANSWER-Turf grasses under high
nitrogen fertilization
Brown patch initially is - CORRECT ANSWER-Purple-green but quickly fades to
light brown
Management of brown patch includes: - CORRECT ANSWER-Not fertilizing
when brown patch is active, avoid seeding rates greater than recommended
rates , do not irrigate in late afternoon or evening.
Dollar spot - CORRECT ANSWER-Sclerotina hooeocarpa occurs on all turf
grasses grown in Kansa
Dollar spot symptoms - CORRECT ANSWER-Small roughly circular bleached
patches. 2-6" diameter in lawn turf grass. 1-2" on putting greens
Management of dollar spot includes - CORRECT ANSWER-Adequate fertilization
program a severe damage is prevalent in nitrogen deficient turf
Fairy ring is caused by: - CORRECT ANSWER-Fungi in group of basidiomycetes
and can occur in all species of turf
Fairy ring fungi grow in the soil or thatch consuming organic matter and affect turf
grass growth - CORRECT ANSWER-
, In fairy ring after rain or heavy watering - CORRECT ANSWER-Fungal fruiting
structures (mushrooms or puffballs) May appear in the ring area. In addition whit
spongy fungal growth maybe visible in the thatch or soil underneath the ring
Fairy ring symptoms include - CORRECT ANSWER-Three categories.
Type 1 fairy rings - CORRECT ANSWER-Include turf death and are most
common on sand based putting greens. Has been associated with high salt
content and hydrophobic conditions in the soil caused by fungi
Type 2 Fairy ring - CORRECT ANSWER-Display a ring of lunch dark green turf
and May or may not have fungal fruiting structures
Type 3 fairy ring - CORRECT ANSWER-Develop a ring of fruiting bodies with no
visible effect on the turfgrass. May range in diameter from a few inches to 50 feet
or more and they can expand overtime.
Fairy ring management includes - CORRECT ANSWER-No management
needed as they symptoms are temporary .
Leaf spot and melting out is caused by - CORRECT ANSWER-Several different
fungi. Most common on Kentucky blue grass and tall fescue
Nutrient Deficiency - CORRECT ANSWER-Areas or all of the turf may become
yellowed and stunted. Chlorosis (yellowing) is usually caused by nitrogen
deficiency or iron deficiency.
Buried Debris - CORRECT ANSWER-A thin layer of soil over buried rocks,
lumber, bricks, plaster, or concrete dries out rapidly in dry summer weather and
may resemble disease.
compacted areas - CORRECT ANSWER-Thin turf or bare spots appear in
heavily used areas. Waterlogged and heavy-textured (clay) soils become
compacted especially in areas with frequent foot or vehicle traffic
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