In the past we have been using a growth regulator called Proxy as a seedhead suppressor on the greens. While it has mostly worked it has come with a bit of a price, mostly in its effect of causing soft and puffy surface conditions on the putting greens. In a desire to try something different this year, we did some trials with a different product called Embark.
Embark has been used as a seedhead suppressor for Poa Annua in the golf industry for a long time. However, it has seen somewhat limited use due to its effect of causing some yellowing and bronzing of the turf it is applied to. Proxy in general does not have this effect, but it also is not as effective as a seed inhibitor.
This spring we continued our application of Proxy to all of the greens and collars, however we treated hole 16 with Embark instead. While the Embark did cause some minor yellowing in days 7-114 after application, the rebound effect afterward has been dramatic. The areas we applied Embark are almost seedhead free, and the Poa Annua is a deeper and darker green that the untreated areas.
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The turf where Embark was applied showed minor bleaching a few days after the application. |
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The rebound effect has been dramatic however. 4 weeks after the initial application, the Embark applied area looks much better than the untreated turf. |
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The trial strip on 11 fairway shows that the Embark treated turf is much greener, denser, and healthier than the untreated Poa Annua. |
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