Definitions for "Allelopathic"
(adj.) Producing chemical compounds that inhibit the growth of other plants close by.
referring to a plant known to emit chemicals that retard the growth or seed germination of associated plants.
Plant that produces chemicals affecting other nearby plants' growth. Usually used to indicate a negative effect, inhibiting the growth of nearby plants. Black Walnut ( Juglans nigra) trees inhibit the growth of many other plants.