M. V. Dovgajuk-Semenuk, O. I. Velychko, O. I. Terek



The influence of conditions of oil polluted soil on the general content of free amino acids and proline in the red clover plants (Trifolium pratense L., sort Peredkarpatska 6) at early stages of ontogenesis was studied. It was found that the content of free amino acids increased in organs of red clover plants under the influence of oil pollution of soil. The content of free amino acids under the influence of oil polluted soil increased more substantialy in the plants’ leaves. The amount of proline in the red clover leaves increased 7 times under induction by soil pollution with oil. The maximum increase in free amine acids content under the effect of oil pollution of soil was at the primary stage of red clover plants growth – the stage of cotyledon leaves. At the upcoming of following phenological phase – the first real and first trifoliate leaf – the induction by oil pollution of soil increase in the amount of both proline and general content of free amino acids in organs of red clover plants was less expressed. Obtained results suggest that free amino acids and proline play a significant protective role at primary phases of red clover plants’ growth in the soil polluted with oil.

Keywords: Trifolium pratense L., free aminoacids, proline, oil polluted soil.


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