Chemical Controls for Turfgrass Diseases

Index
Algal Scum Helminthosporium melting out Nematodes Seedling Disease
Anthracnose Leaf spot Pink snow mold Spring Dead Spot
Brown Patch Dollar spot Powdery mildew Stripe smut
Curvularia leaf spot Downy mildew, Yellow turf Pythium blight Summer patch (Magnaporthe)
Helminthosporium diseases Fairy rings Pythium blight and damping-off Take all patch
Helminthosporium leaf spot Gray leaf spot Pythium damping-off (seed treatment) -
Helminthosporium leaf spot and melting out Necrotic ring spot Rust -

Algal scum

chlorothalonil
mancozeb
quartenary ammonium compounds

Anthracnose

azoxystrobin
chlorothalonil
propiconazole
pyraclostrobin
thiophanate-methyl
thiophanate-methyl + mancozeb
triadimefon

Brown patch

azoxystrobin
captan
chloroneb
chloroneb + thiophanate-methyl
chlorothalonil
chlorothalonil + fenarimol
cyproconazole
fenarimol
flutolanil
iprodione
mancozeb
maneb
myclobutanil
PCNB
propiconazole
pyraclostrobin
thiophanate-methyl
thiophanate-methyl + iprodione
thiophanate-methyl + mancozeb
vinclozolin

Bipolaris, Dreschlera, Exserohilum, Curvularia (Helminthosporium Diseases, Melting Out, Leaf Spots)

Curvularia leaf spot
chlorothalonil
Helminthosporium leaf spot and melting out
azoxystrobin
chlorothalonil
iprodione
mancozeb
myclobutanil
propiconazole
PCNB
pyraclostrobin
thiophanate-methyl
vinclozolin
Leaf spot
mancozeb
myclobutanil

Dollar spot

boscalid
chloroneb + thiophanate-methyl
chlorothalonil
chlorothalonil + fenarimol
iprodione
mancozeb
maneb
myclobutanil
PCNB
thiophanate-methyl
thiophanate-methyl + iprodione
thiophanate-methyl + mancozeb
triadimefon
triadimefon + thiram
vinclozolin

Downy mildew, Yellow tuft

fosetyl-Al
mancozeb + metalaxyl
metalaxyl

Fairy rings

azoxystrobin
flutolanil

Gray leaf spot

azoxystrobin
chlorothalonil
chlorothalonil + fenarimol
thiophanate-methyl + mancozeb
propiconazole
pyraclostrobin

Necrotic ring spot

azoxystrobin
iprodione
myclobutanil
thiophanate-methyl

Pink snow mold (Fusarium, Microdochium)

chloroneb + thiophanate-methyl
chlorothalonil
iprodione
mancozeb
PCNB
propiconazole
thiophanate-methyl
thiophanate-methyl + mancozeb
triadimefon
vinclozolin

Powdery mildew

azoxystrobin
myclobutanil
propiconazole
pyraclostrobin
triadimefon

Pythium diseases--blight (cottony blight), damping off, root & crown rot, grease spot

Pythium blight
azoxystrobin
chloroneb
chloroneb + thiophanate-methyl
etridiazole
fosetyl-Al
mancozeb
mancozeb + metalaxyl
propamocarb
pyraclostrobin
Pythium blight and damping-off
etridiazole
metalaxyl
triadimefon + metalaxyl
Pythium damping-off (seed treatment)
metalaxyl

Rust

chlorothalonil
mancozeb
maneb
myclobutanil
PCNB
propiconazole
pyraclostrobin
thiophanate-methyl + mancozeb
triadimefon
triadimefon + thiram

Seedling Disease

captan

Spring dead spot

azoxystrobin
myclobutanil

Stripe smut

propiconazole
thiophanate-methyl
triadimefon

Summer patch (Magnaporthe)

myclobutanil
propiconazole
thiophanate-methyl
triadimefon

Take all patch

azoxystrobin
propiconazole
pyraclostrobin
triadimefon

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