A thorough revision and update of the first edition, this Second Edition is designed to create an awareness of the rapidly developing field of allelopathy. The author appraises existing knowledge in certain critical areas, such as roles of allelopathy in the prevention of seed decay and in the nitrogen cycle, the chemical nature of allelopathic compounds, factors affecting concentrations of allelochemics in plants, movement of allelochemics from plants and absorption and translocation by other plants, mechanisms of action of allelopathic agents, and factors determining effectiveness of...