How to sample for nematodesNovember 11, 2014 At the annual Iowa State turfgrass field day, Laura Jesse from the Plant & Insect Diagnostic Clinic, University Extension, filmed an instructional video on how to sample for possible nematode problems. View it at https://vimeo.com/103745883 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)