We want to ask you to not use any type of bug repellent
while standing on any turf, whether it is a green, tee, fairway, or rough.
Most aerosols, including bug repellent sprays, contain
unnamed ingredients that are not safe for turf – besides DEET, one popular
brand also contains ethanol/ alcohol 50-60%, propane 1-5%, isobutane 1-5%,
butane 1-5%, N-N-diethyl-meta-toluamide 25-25%, and water 3-7%. I am no chemist, nor do I pretend to be, but these
extra ingredients, except for the little bit of water, are what “burns” the
turf, and in some cases, thins or kills it.
On a cool, overcast day, the ingredients might do very
little damage, but on a hot sunny day, the damage can be quite extensive.
The accompanying picture is of the 7th green.
Someone used the repellent on Sunday and we found this Monday morning. Sunday
was sunny, dry, and hot, and as you can tell by the amount of over spray and the
area involved, quite a lot of repellent was used. I am concerned about how this
area will “come back”, or more to the point, how much turf we might lose and
the length of time it will take the surviving turf to recover.
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