Allelopathy - current status and future goals, Frank A. Einhellig. Part 1 Allelopathic interactions involving specific organisms: lichen allelopathy - a review, James D. Lawrey overcoming allelopathic growth inhibition by micorrhizal innoculation, A.U. Mallik and H. Zhu allelopathic herbaceous vascular hydrophytes, Stella D. Elakovich and Jean W. Wooten identification of allelochemicals in eucalyptus citriodora and polygonum sachalinense, Hiroyuki Nishimura and Junya Mizutani quercetin and quercitrin from pluchea lanceolata and their effect on growth of asparagus bean, Inderjit and K.M.M. Dakshini. Part 2 Processes in allelochemical action: mechanism of action of allelochemicals in allelopathy, Frank A. Einhellig allelopathic properties of alkaloids and other natural products - possible modes of action, M. Wink and B. Latz-Bruening the value of model plant-microbe-soil systems for understanding processes associated with allelopathic interaction - one example, Udo blum characterization of the mechanisms of allelopathy - modeling and experimental approaches, H.H. Cheng plant stress and allelopathy, Chung-Shih Tang et al chemical communication between the parasitic weed striga and its crop host - a new dimension in allelochemistry, Larry G. Butler. Part 3 Allelopathy in agroecosystems. Part 4 Biocontrol and applications of allelochemicals. (Part contents)