Video: A search for the source of nematode damage

Newly laid sod is sometimes the canary in the coal mine (read here for the origin of this expression for the most famous of animal sentinels) for the first sign that your soil may be infested with nematodes.

In this video, we describe a golf course that had never suffered with symptoms of root knot nematode damage in the past, but suddenly saw it appear after new sod was laid. Although the most obvious source of the nematodes was the…