allelopathic
/əˌliːləˈpæθɪk/
adjective
- Relating to the chemical inhibition of one plant (or other organism) by another, due to the release of substances into the environment.
- The allelopathic chemicals released by the pine needles kept the soil bare under the tree.
- Gardeners sometimes use allelopathic plants like sunflowers to naturally control weeds.
- Black walnut trees have allelopathic effects that prevent other plants from growing nearby.
Synonyms