Harrell's 2026 Agronomic Resource Guide - TEST

Gulf Atlantic Zone

Nematodes Nematodes are a growing but often undetected pest problem in turfgrass throughout the United States, especially on low-mowed greens or other areas under stress. Nematodes often enhance root diseases confounding diagnosis and control. Nematode assays can help determine the type of nematode present and whether they are a concern. If current symptoms are validated with high nematode populations, curative applications of Indemnify should be made immediately. Consult your local area sales manager for specific timing and re-application interval. Re-applications will depend on the level of nematode populations/damage. For courses where nematodes are not a major concern but wanting to be proactive with nematode management, apply Resilia TM root health solution at 4 fl. oz. per 1,000 sq. ft. A total of four applications can be made per year. For resistance management, consider including other MOAs for nematode control. For courses with a documented history of nematode damage, consider the following:

Application

Product and Use rate per 1,000 sq. ft.

1 st app. – Mar/Apr (60-65°F)

Indemnify ® 0.39 fl. oz.

Spring

Indemnify 0.39 fl. oz.

2 nd app. – 14-28 days later

1 st app. –Oct/Nov (60-65°F)

Indemnify 0.39 fl. oz.

Fall

Indemnify 0.39 fl. oz.

2 nd app. – 14-28 days later

PRO TIP : If root-knot nematodes are suspected, request mist extraction, whereas sting nematodes are more accurately determined using traditional soil extraction techniques

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