Golf course superintendents in North Carolina have a new option for nematode control on putting greens.
Avid (abamectin) has been granted a 24(c) Special Local Need label for control of sting and ring nematodes on golf course putting greens. The supplemental label can be downloaded here. It is important to emphasize that this 24(c) label applies only to the Avid brand, is only valid in North Carolina, and only allows for application to golf course putting greens.
The application rate is 57 ounces per acre, with a recommended 3 to 4 applications on a 14 to 21 day interval. Tank-mixing with a non-ionic surfactant is recommended to improve penetration into the root zone, and applications should be watered-in immediately with 0.1" of irrigation.
How effective is this treatment in NC? I was under the impression that abamectin had a strong affinity for soil particles and got bound up there. Then it was degraded by soil microbes and therefore not very effective as a soil treatment.
ReplyDeleteAt these rates and application intervals, Avid is more effective than our other current options with the exception of Curfew. But Curfew is not feasible for many clubs due to the cost, re-entry interval, building setbacks, and other issues.
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