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The term allelopathy, from the Greek words allele and pathy (meaning mutual harm or suffering), was first used in 1937 by the Austrian professor Hans Molisch in the book Der Einfluss einer Pflanze auf die andere - Allelopathie (The Effect of Plants on Each Other) published in German.[3] He used the term to describe biochemical interactions that inhibit the growth of neighbouring plants, by another plant.[4] In 1971, Whittaker and Feeny published a study in the journal Science, which defined allelochemicals as all chemical interactions among organisms.[3] In 1984 Elroy Leon Rice in his monograph on allelopathy enlarged the definition to include all direct positive or negative effects of a plant on another plant or on microorganisms by the liberation of biochemicals into the natural environment

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13y ago

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