Phytotoxicity of Acridine, an Important Representative of a Group of Tar and Creosote Contaminents, N-Pac Compounds

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Abstract
N-PAC (azaarenes) occur in the environment at levels that are 1–10% of the analogous polycyclic aromatic hydrocarbons (PAH), e.g. from the production and use of creosote and tar. In this investigation navew (Brassica campestris L.), Italian rye-grass (Lolium multiflorum L.) and barley (Hordeum vulgare L.) were grown in two different soils containing concentrations of 0, 1 and 100 ppm acridine. the observations reveal that acridinc inhibits the seed production of navew and the growth of Italian rye-grass. Inhibition was noted at 1 ppm level. At 100 ppm nawev seeds either did not germinate or the sprouts did not survive.