Application Guidelines for DISARM® C Fungicide:

Disease Control

Application Interval
(Days)

Use Rate

(Pints per Acre)

Use Rate

(Oz/1,000 sq ft)

Application Guidelines

Anthracnose
(Foliar Infection Phase)
(Colletotrichum graminicola)

14 – 28

8 – 16

3 – 5.9

Use preventatively. Begin applications when conditions are favorable for disease development.

Anthracnose
(Crown Rot Phase)
(Collectotrichum graminicola)

14 – 21

8 – 16

3 – 5.9

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 – 16

1.5 – 5.9

Apply when conditions are favorable for disease development.

Cool-Weather Brown Patch
(Rhizoctonia Cerealis)

14 – 28

8 – 16

3 – 5.9

Make one or two applications in fall or when conditions are favorable for disease development. Curative applications may be made in the spring if disease appears.

Dollar Spot
(Sclerotinia homoeocarpa)

14 – 21

8 – 16

3 – 5.9

Under heavy dollar spot pressure or where dollar spot is the only targeted disease use a DMI fungicide such as propiconazole, triadimefon or myclobutanil labeled for control of dollar spot in tank-mix or in alternation with DISARM C applications.

Fairy Ring
(Basidiomycete fungi)

21 – 28

12 – 16

4.5 – 5.9

Apply as soon as fairy ring symptoms develop. Apply in 4 gallons of water per 1,000 square feet or irrigate after application with 1/4 inch of water. A wetting agent may facilitate penetration.

Gray Leaf Spot
(Pyricularia grisea)

14 – 28

8 – 16

3 – 5.9

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 – 16

3 – 5.9

Apply when conditions are favorable for disease development.

Melting Out
(Drechslera poae)

14 – 21

8 – 16

3 – 5.9

Apply when conditions are favorable for disease development.

Pink Patch
(Limonomyses roseipellis)

14 – 28

8 – 16

3 – 5.9

Apply when conditions are favorable for disease development.

Powdery Mildew
(Erysiphe graminis)

14 – 28

8 – 16

3 – 5.9

Apply at first sign of infection. Repeat as necessary.

Pythium Blight*
(Pythium aphanidermatum)

7 – 14

8 – 16

3 – 5.9

Use preventatively. Begin applications when conditions are favorable for disease infection, prior to disease symptom development. When conditions are favorable for heavy pythium blight pressure, use DISARM C in combination with another product registered for pythium blight control.

Pythium Root Rot
(Pythium spp.)

7 – 10

8 – 16

3 – 5.9

Apply when conditions are favorable for disease development.

Pythium Damping Off
(Pythium spp.)

7 – 10

8 – 16

3 – 5.9

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 – 16

3 – 5.9

Apply when conditions are favorable for development.

Rust
(Puccinia spp.)

14 – 28

8 – 16

3 – 5.9

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 – 16

3 – 5.9

Apply one or two applications prior to permanent snow cover.

Snow Mold, Typhula Blight
(Typhula incarnate)

< 28

8 – 16

3 – 5.9

Apply one or two applications prior to permanent snow cover.

Southern Blight
(Sclerotium rolfsii)

14 – 28

8 – 16

3 – 5.9

Apply when conditions are favorable for development.

Spring Dead Spot
(Leptosphaeria korrae) or (Gaeumannomyces graminis var. graminis) or (Ophiosphaerella herpotricha)

14 – 28

16

5.9

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 – 16

3 – 5.9

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

Take-All Patch
(Gaeumannomyces graminis var. avanae)

28

16

5.9

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 Patch
Large Patch of Zoysia
(Rhizoctonia solani and/or Gaeumannomyces spp.)

14 – 28

8 – 16

3 – 5.9

Preventative and curative: Make one or two applications in the fall before dormancy or in the spring when Zoysia is greening up. For durative applications use the higher rate. Consult with local turfgrass experts for optimum timing in your area.

Algae

7 – 14

8.2 – 14.6

3 – 5.4

Under severe algae conditions use the 14.6 pints per acre (5.4 ounces per 1,000 square feet) rate and apply on a 7-day interval.
When algae is well established, every attempt should be made to dry out the afflicted area.
See Note 1 under General Turf Restrictions and Other Information on the DISARM C label.

Dicondra Leaf Spot

14

16

5.9

Start applications when conditions are favorable for disease.

Copper Spot

14

16

5.9

Start applications when conditions are favorable for disease.