- Posted By: Cheryl A. Wilen
- Written by: Cheryl Wilen, Area Integrated Pest Management Advisor
Published on: July 27, 2011
What the …?? Where’s this coming from and what does that have to do with weeds?
A few years ago, I noticed that when I was wearing my cool polarized sunglasses it was like I had a superpower for spotting smooth crabgrass in turf. I haven’t done a lot of research on this but it appears that the light reflected (or absorbed, defending on your figurative point of view) makes crabgrass pop out. At least it does in tall fescue. I haven’t had a chance to do much other observational work with other turf species. At any rate, with a little practice, I found that could pick out a single crabgrass seedling in an area of tall fescue from 10 feet away. This is slightly similar to how automated weed spot sprayers work except their...
Tags: monitoring (1), turf and ornamentals (10)
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