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2026-2027
Type 1 fairy rings
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
Display a ring of lunch dark green turf and May or may not have
fungal fruiting structures
Type 3 fairy ring
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
No management needed as they symptoms are temporary .
Leaf spot and melting out is caused by
Several different fungi. Most common on Kentucky blue grass and
tall fescue
,Nutrient Deficiency
Areas or all of the turf may become yellowed and stunted.
Chlorosis (yellowing) is usually caused by nitrogen deficiency or
iron deficiency.
Buried Debris
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
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
Algae
A green to blackish algae slime may form on bare soil or thinned
turf in low, wet, shaded or heavily used and compacted areas. The
slimy mass of algae dries to form a thin, black crust that later
cracks and peels.
,Moss
Like algae, moss occurs where turfgrass has been thinned due to one
or more site or environmental factors.
Animal Urine injury
Injury from dog or other animal urine may resemble brown
patch or dollar spot.
Thatch
Thatch is a tightly intermingled layer of decomposing stems
and roots that develops between green vegetation and the
soil surface.
To plan a good weed control program, you must:
identify the desirable turfgrass,
•
identify the existing weeds, and
•
combine pest control with good management practices.
annual weeds complete their life cycle in:
less than one year
, Examples of summer annual weeds common to turfgrass:
broadleaf weeds, knotweed, spurge, purslane, (grass weeds)
crabgrass, goosegrass, barnyardgrass, foxtail
Winter annuals are common in new turfgrass and include
common chickweed, shepherd's purse, henbit, downy brome annual
bluegrass
Biennial weeds normally occur at the same time as
perennial broadleaf weeds
Biennial weeds example
roundlef mallow and wild carrot
Perennial weeds, broadleaf weeds include:
dandelion, wild garlic, plantain, mouse-ear chickweed, curly dock
Perennial grass weeds include:
bermudagrass, bentgrass, quackgrass, niblewill, windmill grass