Influence of oil on the grain culture of S.cereale (L)

Abstract The toxic effect of oil on a gramineae species – rye S. cereale L. has been studied. When introducing oil into soils it has been found that the soil fraction with the particle size being 0.05-0.45 mm absorbs the oil least of all. Here, the distribution of the estimated polyaromatic hydrocarbons is directly dependent on the portion of the size fractions of the soils under study. During the experiments the oil loss from the soils amounts to ~17 %, which is due to the possible oil decomposition by the plant roots and partial evaporation of oil from the soil surface. With the oil content being 9 %, the young rye shoots are suppressed, but the biomass is quite viable, which is evidenced by IR spectroscopy and morphological indicators. However, chromosome disturbances have been observed as a result of cytogenetic studies of the root system of rye, which are associated, among other things, with the effect of the soil particle agglutination around the root system. This may disturb the chloroplast motionin the cells, giving rise to anomalies in cell structures. Thus, the conducted experiments can indicate that rye can be applied for the phytoremediation of soils polluted by oil spills.

Keywords oil, rye S. cereale L., chtomatography, distribution, toxicity.

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