Changes in the contents of anthocyanins, ascorbic acid, and riboflavin were studied in plants growing under pollution with petroleum products along railroad tracks (Geum urbanum L., Anthriscus sylvestris L., Glecoma hederata L., Taraxacum officinalisL., Dactylis glomerata L., and Achillea millefolium L.) and in seedlings grown in soil containing 5–10% crude oil (Hordeum vulgare L., D. glomerata, Vicia sativa L., Panicum miliaceum L., and Zea mays L.). In the former case, the plants accumulated ascorbic acid and anthocyanins (on average, 2 and 5.2 times those in the norm, respectively), and riboflavin (in both reduced and oxidized forms). In the latter case oil-induced stress also proved to stimulate the accumulation of all test substances in the seedlings. The content of anthocyanins is proposed as a test parameter reflecting the degree of environmental pollution, which may be useful for prompt bioindication of pollutants in the ecological monitoring of plant communities.
Russian Journal of Ecology – Springer Journals
Published: Dec 27, 2004
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