Harrell's 2026 Agronomic Resource Guide - TEST

2026 – Greens – Creeping Bentgrass – South Central – 14-day (OK, TX)

Rate per 1000 ft² 3.0 fl oz

App. #

Estimated Date

FRAC/IRAC Codes

Product Description

Target Pathogens/Comments

Application Notes

Dollar Spot, Fairy Ring, Microdochium Patch, Take-all Patch, Yellow Patch

1

March 2

Headway® fungicide

3, 11

Allow spray to dry and irrigate with 0.15” within 24 hours

Heritage ® Action ™ fungicide Secure ® Action fungicide Divanem ® nematicide 1 Headway Daconil ® Action fungicide Acelepryn® insecticide Secure Action Appear® II fungicide Heritage Action Segway® fungicide Divanem 1 Daconil Action Velista ® fungicide Appear II Secure Action Briskway® fungicide Appear II Segway fungicide Medallion® SC fungicide Divanem 1

2 3

March 30

.2 oz

11, P1 29, P1

Fairy Ring, Summer Patch, Take-all Patch

Irrigate with 0.15” immediately after application

April 6

.5 fl oz

Dollar Spot, Leaf Spot, Microdochium Patch

Allow spray to dry completely before mowing, rainfall, or irrigation.

Turf Parasitic Nematodes Anthracnose, Brown Patch, Pythium Root Dysfunction, Summer Patch, Pythium spp., Fairy Ring, Take-all Patch Anthracnose, Brown Patch, Dollar Spot, Leaf Spot White Grubs, Black Cutworm, Sod Webworm Anthracnose, Bacterial Wilt, Brown Patch, Pythium Blight, Summer Stress Pythium Blight, P ythium Root Rot, Fairy Ring, Brown Patch , Summer Patch, Bacterial Wilt Turf Parasitic Nematodes Algae, Anthracnose, Bacterial Wilt, Brown Patch, Dollar spot, Pythium Blight, Summer Stress, Fairy Ring Anthracnose, Bacterial Wilt, Brown Patch, Pythium Blight, Summer Stress Pythium Blight, Pythium Root Rot, Leaf Spot, Brown Patch Turf Parasitic Nematodes Anthracnose, Brown Patch, Pythium Blight, Summer Patch, Summer Stress, Take-all Patch Anthracnose, Brown Patch, Rhizoctonia zeae , Pythium Blight Black Cutworm, Sod Webworm, Fall Armyworm Pythium Blight, Pythium spp., Leaf Spot, Brown Patch, Summer Stress, Fairy Ring, Take-all Patch Turf Parasitic Nematodes Algae, Anthracnose, Bacterial Wilt, Brown Patch, Fairy Ring, Pythium Blight, Rhizoctonia zeae , Summer Patch Anthracnose, Brown Patch, Fairy Ring, Pythium Blight, Rhizoctonia zeae , Summer Patch, Summer Stress Brown Patch, Fairy Ring, Pythium Blight, Rhizoctonia zeae , Summer Patch Pythium Root Rot, Take-all Patch

.28 fl oz 3.0 fl oz 3.5 fl oz .18 fl oz .5 fl oz 6.0 fl oz .2 oz .67 fl oz .28 fl oz 3.5 fl oz .7 oz 6.0 fl oz .5 fl oz .72 fl oz 6.0 fl oz .67 fl oz 2.0 fl oz .28 fl oz 4.0 fl oz .5 oz 6.0 fl oz 1.0 fl oz 2.0 fl oz .09 fl oz .72 fl oz .5 oz .28 fl oz 3.5 fl oz 1.0 fl oz 6.0 fl oz .5 fl oz .2 oz 6.0 fl oz .67 fl oz .72 fl oz 2.0 fl oz

6 3, 11

Tank-mix with a soil surfactant and water-in with at least 0.25” of irrigation beginning immediately after application.

4

April 13

M5, P1 28 29, P1 33 11, P1 21 6 M5, P1 7 33 29, P1 3, 11 33

5

April 27

Allow spray to dry completely before mowing, rainfall, or irrigation.

6

May 11

Allow spray to dry completely before mowing, rainfall, or irrigation.

Tank-mix with a soil surfactant and water-in with at least 0.25” of irrigation beginning immediately after application.

7

May 18

8

May 25

Allow spray to dry and irrigate with 0.15” within 24 hours

9

June 8

Allow spray to dry completely before mowing, rainfall, or irrigation.

21 12 6 1 7 33 4 12 28

Tank-mix with a soil surfactant and water-in with at least 0.25” of irrigation beginning immediately after application.

10

June 15

3336® F fungicide Velista Appear II

Allow spray to dry and irrigate with 0.15” within 24 hours

11

June 22

Subdue Maxx® fungicide Medallion SC Acelepryn

12

July 6

Allow spray to dry completely before mowing, rainfall, or irrigation.

Briskway Velista Divanem 1

3, 11 7 6

Tank-mix with a soil surfactant and water-in with at least 0.25” of irrigation beginning immediately after application.

13

July 13

Daconil Action Ascernity® fungicide Appear II Secure Action Heritage Action Appear II Segway fungicide Briskway Medallion SC

M5, P1 3, 7 33 29, P1 11, P1 33

14

July 20

Allow spray to dry and irrigate with 0.15” within 24 hours

Allow spray to dry and irrigate with 0.15” within 24 hours

15

August 3

21 3, 11 12

16

August 10

Irrigate with 0.15” immediately after application

Always consult the product label for complete use and application information. © 2025 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties and/or may have state-specific use requirements. Please check with your local extension service to ensure registration and proper use. Divanem is a Restricted Use Pesticide. Syngenta supports a FIFRA Section 2(ee) recommendation for Velista fungicide to control summer patch, brown ring patch, spring dead spot, fairy ring, leaf and sheath spot and rapid blight on all turf types. Please see the Section 2(ee) recommendation to confirm that the recommendation is applicable in your state. The Section 2(ee) recommendation for Velista should be in possession of the user at the time of application. Trademarks are the property of their respective owners.

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