PACE Turf - Turfgrass Information Center


Poa annua roots: healthy, but shallow

Note how shallowly, and how close to the soil surface roots of poa form. As this root grows downwards, it is likely to encounter any pre-emerge herbicides that have formed a layer beneath it, and damage is likely to result. Turf types with pre-existing deeper root systems would not have this problem. Southern California, July 2007.

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