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DISEASES

The document describes 14 common turfgrass diseases caused by fungi: dollar spot, fairy rings, leaf spots, powdery mildew, pythium blight, red thread, rusts, smuts, summer patch, take-all patch, brown patch, gray snow mold, and pink snow mold. All of the diseases are controlled through adequate fertilization and fungicide applications tailored to each disease and turfgrass type.

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106 views13 pages

DISEASES

The document describes 14 common turfgrass diseases caused by fungi: dollar spot, fairy rings, leaf spots, powdery mildew, pythium blight, red thread, rusts, smuts, summer patch, take-all patch, brown patch, gray snow mold, and pink snow mold. All of the diseases are controlled through adequate fertilization and fungicide applications tailored to each disease and turfgrass type.

Uploaded by

api-3758209
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPT, PDF, TXT or read online on Scribd
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Dollar Spot

Fungus disease
Small foliar patch disease. All
turfgrasses are susceptible to
dollar spot.

Control by using adequate


nitrogen fertilization and
fungicides.
Fairy Rings

Fungus disease
Circular abnormal
appearance. All turfgrasses
are susceptible to the disease

Control by cleaning the soil and


light nitrogen applications.
Leaf Spots
Fungus diseases

Several different types of foliar


diseases affecting all
turfgrasses.

Control by using adequate


fungicides.
Powdery Mildew
Fungus disease
White powdery cover on
turfgrass leaves and shoots.
Wet and shade conditons a
favorable for the disease.

Control by using adequate


turfgrass and fungicides
Pythium Blight
Fungus disease
Fast spreading patch disease
of cool-season turfgrasses
and bermudagrass. The
disease happens during hot
and humid summer

Control by using adequate


preventive fungicides.
Red Thread
Fungus disease
Red thread appearance
affecting slow-growing
turfgrasses with poor soil
fertility conditions.

Control by using adequate


fertilization and fungicides.
Rusts
Fungus diseases
Affects slow-growing
turfgrasses with poor soil
fertility conditions.

Control by using adequate


fertilization and fungicides.
Smuts
Fungus diseases
Foliar cool-season turfgrass
diseases .

Control by using adequate


fungicides and reducing nitrogen
fertilization.
Summer Patch
Fungus disease
A summer patch disease
affecting Kentucky bluegrass.

Control by using adequate


fungicides and reducing
fertilization in spring season.
Take-all Patch
Fungus disease
A patch disease affecting
turfgrasses when soil pH is
high

Control by using adequate


fungicides and reducing
fertilization in spring season.
Brown Patch
Fungus disease
A patch disease affecting
turfgrasses when it is hot and
humid

Control by using adequate


fungicides and reducing
fertilization in spring season.
Gray Snow Mold
Fungus disease
A patch disease affecting
turfgrasses when it is cold
with snow cover

Control by using adequate


fungicides and reducing
fertilization in fall season.
Pink Snow Mold
Fungus disease
A patch disease affecting
turfgrasses when it is cold
with or without snow cover

Control by using adequate


fungicides and reducing
fertilization in fall season.

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