Harrell's 2026 Agronomic Resource Guide - TEST

2026 – Fairways/Tees – Bentgrass/ Poa annua – Northeast – 14 day (CT, MA, ME, NH, RI, VT)

Estimated Date 1

Rate per 1000 ft²

FRAC Codes

App. #

Product Description

Target Pathogens

Application Notes

Microdochium Patch, Leaf Spot Dollar Spot, Leaf Spot Dollar Spot, Leaf Spot Dollar Spot, Leaf Spot Dollar Spot, Brown Patch

Spring disease clean-up. See footnote 2 for general application guidelines. Begin use of Primo Maxx PGR growth regulation and pre-stress conditioning 3 .

1

April 17

Concert® ll fungicide

4.5 fl oz

3, M5

Secure® Action™ fungicide Primo Maxx® Plant Growth Regulator Posterity® fungicide Daconil® Action fungicide Primo Maxx PGR

0.5 fl oz 0.25 fl oz

2

May 8

29, P1

0.16 fl oz 1.6 fl oz 0.25 fl oz 0.5 fl oz 0.25 fl oz 1.5 fl oz 2.0 fl oz 0.25 fl oz 1.0 fl oz 2.0 fl oz 0.25 fl oz 0.5 fl oz 0.25 fl oz 1.5 fl oz 1.6 fl oz 0.25 fl oz 0.16 fl oz 2.0 fl oz 0.25 fl oz 0.5 fl oz 0.25 fl oz 0.5 fl oz 0.25 fl oz

7 M5, P1

3

May 29

Secure Action Primo Maxx

29, P1

Begin 14-day spray interval

4

June 19

Posterity XT fungicide Daconil Action Primo Maxx Ascernity® fungicide Daconil Action Primo Maxx

3, 7, 11 M5, P1

If Pythium conditions exist, add Subdue Maxx® fungicide at 1.0 fl oz

5

July 3

3, 7 M5, P1

Dollar Spot, Brown Patch

6

July 17

Secure Action Primo Maxx

If Brown Patch conditions exist, add Heritage® Action fungicide at 0.2 wt-oz

29, P1

Dollar Spot, Brown Patch

7

July 31

Posterity XT fungicide Daconil Action Primo Maxx

3, 7, 11 M5, P1

Dollar Spot, Brown Patch

8

August 14

Posterity Daconil Action Primo Maxx Secure Action Primo Maxx Secure Action Primo Maxx

7 M5, P1

Begin 21-day spray interval

Dollar Spot, Brown Patch Dollar Spot, Brown Patch

9

August 28

29, P1

10

September 18

29, P1

11

October 9

Dollar Spot, Leaf Spot

Ascernity Medallion® SC fungicide

Apply prior to permanent snow cover

Snow Mold and other winter diseases

1.0 fl oz 2.0 fl oz

3, 7 12

12

November

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 . Scimitar GC is a Restricted Use Pesticide. The trademarks or service marks displayed or otherwise used herein are the property of a Syngenta Group Company. Secure ® is a registered trademark of Ishihara Sangyo Kaisha.

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