Transition Zone
Spring Dead Spot In spite of the name, spring dead spot is a fall/winter disease, so applications begin in fall when average soil temperatures at 2” depth fall below 72ºF for five consecutive days when taken at 11:00 am. These applications should be watered-in with 0.125”. The Envu program below has a satisfaction guarantee and if your expectations are not met, please contact your Envu Distributor or Envu Area Sales Manager.
Product and Use Rate per 1,000 sq. ft.
Application
Ideal for fairways
Ideal for greens
Rayora ® 1.4 fl. oz. or Mirage ® Stressgard ® 2 fl. oz. Rayora 1.4 fl. oz. or Mirage Stressgard 2 fl. oz.
1 st app. (Fall) <72°F soil temp
Resilia ® 4 fl. oz.
Fame ® 0.36 fl. oz. 1 + Mirage Stressgard ® 0.6 fl. oz.
2 nd app. (21-28 days later)
PRO TIP : Applying broad-spectrum products like Resilia ® to putting greens offers comprehensive protection in the fall, targeting not only spring dead spot but also take-all root rot, Pythium root rot, and pathogenic nematodes.
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 ® 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.
Applications on a 14 or 21 day interval to control Pythium root diseases, patch diseases, fairy ring, as well as suppression of pathogenic nematodes
Resilia ® 4 fl. oz. rotated with Fame ® 0.36 fl. oz. + Serata ® 0.6 oz.
Spring - Fall limited pressure
1 st app. – Mar/Apr (60-65°F)
Indemnify ® 0.39 fl. oz.
Spring
2 nd app. – 14-28 days later
Indemnify 0.39 fl. oz.
1 st app. –Oct/Nov (60-65°F)
Indemnify 0.39 fl. oz. 1
Fall
2 nd app. – 14-28 days later
Indemnify 0.39 fl. oz.
Consult your local area sales manager for specific timing and re-application interval. Re-applications will depend on the level of nematode populations/damage. Label allows (4) "spot treatments of Indemnify at 0.39 oz/1000 sq ft per 10,000 sq feet of golf course area.” Resilia applications must preceed Indemnify applications to stay within yearly maximums for fluopyram.
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