Researchers identify natural herbicide that controls weeds around some common lawn grasses

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This image shows fescue grass roots which exude a yellow material that contains an amino acid called m-tyrosine as a major component. The chemical structure for m-tyrosine is superimposed on the photo. Credit: Frank Schroeder
This image shows fescue grass roots, which exude a yellow material that contains an amino acid called m-tyrosine as a major component. The chemical structure for m-tyrosine is superimposed on the photo. Credit: Frank Schroeder

Certain varieties of common fescue lawn grass come equipped with their own natural broad-spectrum herbicide that inhibits the growth of weeds and other plants around them.


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