Photos from the Indian Golf Union's Greenkeeper Education Programme 2013
Counting Down, Top 5 Posts of 2012

Turfgrass Mystery: the line on the green

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This mystery comes from a putting green in Spain. The grass is Penn A-4 creeping bentgrass. One can see at the corner of the green a mark from the triplex mower as it makes the cleanup pass. And diagonally across the green, there is this line of damaged grass. Here is a closer look at the mysterious line.

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Can you identify the cause of this line on the green?

Greg Austin was the first to identify this as an ant trail across the green:

Steve Agin also correctly identified the cause of this line. Getting closer to ground level on the green, one can see that this is an ant trail. Thanks to David Bataller for sending the photos for this turfgrass mystery.

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This ant problem is similar to this turfgrass mystery that turned out to be termite damage on a bermudagrass (Cynodon) putting green. Click here to read all the previous turfgrass mysteries.

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