Application Guidelines for DISARM® 480 SC Fungicide:

Disease Control

Application Interval
(Days)

Use Rate

(Oz per Acre)

Use Rate

(Oz/1,000 sq ft)

Application Guidelines

Anthracnose* (Foliar Infection Phase)(Colletotrichum graminicola

14 – 28

8.0 - 16.0

 

0.18 - 0.36

Use preventatively. Begin applications when conditions are favorable for disease development. Under severe conditions tank-mix with another fungicide labeled for control of anthracnose.

Anthracnose (Crown Rot Phase)

(Collectotrichum graminicola)

14 – 21

 

8.0 - 16.0

 

0.18 - 0.36

Use preventatively. Begin applications when conditions are favorable for disease development. Tank-mix with another fungicide labeled for control of anthracnose.

Brown Patch

(Rhizoctonia solani)

14 – 28

4.0 - 16.0

 

0.09 - 0.36

Apply when conditions are favorable for disease development.

Cool-Weather Brown Patch

(Rhizoctonia Cerealis)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Make one or two applications in fall or when conditions are favorable for disease development.

Dollar Spot

(Sclerotinia homoeocarpa)

14 – 21

 

8.0 - 16.0 

0.18 - 0.36

DISARM 480 SC provides control of light-to-moderate dollar spot pressure when used to control other disease. Under heavy dollar spot pressure or where dollar spot is the only targeted disease use a DMI fungicide (propiconazole, tebuconazole, triadimefon, myclobutanil, etc.) labeled for control of dollar spot in tank-mix or in alternation with DISARM 480 SC applications.

Fairy Ring

(Basidiomycete fungi)

28

 

16.0

 

0.36

Apply where fairy rings have been observed in the past or at the first sign of fairy ring development. Irrigate after application to move the fungicide into the root zone. Repeat as necessary.

Gray Leaf Spot*

(Pyricularia grisea)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Begin applications before disease is present. Under heavy disease pressure tank-mix with another product labeled for control of gray leaf spot.

Leaf Spot

(Bipolaris sorokinana)

14 – 21

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for disease development.

Melting Out

(Drechslera poae)

14 – 21

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for disease development.

Microdochium (Fusarium) Patch

(Microdochium nivale)                    

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Use preventatively. Begin applications when conditions are favorable for disease infection, prior to disease symptom development.

Pink Patch

(Limonomyses roseipellis)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for disease development.

Powdery Mildew

(Erysiphe graminis)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Apply at first sign of infection. Repeat as necessary.

Pythium Blight*

14

 

8.0 - 16.0 

0.18 - 0.36

Use preventatively. Begin applications when conditions are favorable for disease infection, prior to disease symptom development. During periods of prolonged favorable conditions, treat on the 14-day application interval. When conditions are favorable for heavy pythium blight pressure, use DISARM 480 SC in combination with another product registered for pythium blight control.

Pythium Root Rot

(Pythium spp.)

14

 

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for disease development.

Pythium Damping Off

(Pythium spp.)

14

 

8.0 - 16.0 

0.18 - 0.36

Apply uniformly to the seedbed before, during or just after seeding. Lightly irrigate after application. Repeat application if conditions remain favorable for disease.

Red Thread

(Laetisaris fuciformis)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for development

Rust

(Puccinia spp.)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Apply at the first sign of infection or when conditions are favorable for disease development. Repeat as necessary.

Snow Mold, Pink

(Microdochium nivale)

28

 

8.0 - 16.0 

0.18 - 0.36

Apply one or two applications prior to permanent snow cover. Tank-mix with propiconazole, chlorothalonil or pentachloronitrobenzene at labeled rates.

Snow Mold, Typhula Blight

(Typhula incarnate)

28

 

8.0 - 16.0 

0.18 - 0.36

Apply one or two applications prior to permanent snow cover. Tank-mix with propiconazole, chlorothalonil or pentachloronitrobenzene at labeled rates.

Southern Blight

(Sclerotium rolfsii)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Apply when conditions are favorable for development

Spring Dead Spot

(Leptosphaeria korrae)

or

(Gaeumannomyces graminis var. graminis)

or

(Ophiosphaerella herpotricha)                                                                                                     

14 – 28

 

16.0 

0.36

Apply one or two applications approximately one month prior to bermudagrass dormancy. Apply 1/4" to 1/2" of irrigation after application.

Summer Patch

(Magnaporthe poae)

14 – 28

 

8.0 - 16.0 

0.18 - 0.36

Start applications in the spring when soil temperatures at 2" depth reach 60 to 65o F or as prescribed by local turf specialists.

Take-All Patch

(Gaeumannomyces graminis var. avanae)

28

 

16.0 

0.36

Begin applications before disease is present and continue applications while conditions are favorable for disease development. Make two applications in the spring and two applications in the fall.

Zoysia Large Patch

(Rhizoctonia solani and/or Gaeumannomyces spp.)

14 – 28

 

16.0 

0.36

Make one or two applications in the fall before dormancy. Consult with local turfgrass experts for optimum timing in your area.

*See RESISTANCE MANAGEMENT section of the DISARM 480 SC label for control of these diseases.