| Summary: | The article presents the results of a study of synthesis and accumulation of heptyl in plants growing on soil contaminated with rocket fuel. The study was carried out under laboratory conditions of al-Farabi Kazakh National University. The results of the experiments confirmed that certain concentrations of a rocket fuel-heptyl (unsymmetrical dimethylhydrazine, UDMH) are not toxic for the crested wheatgrass, Agropyron pectiniforme Roem.et Schult., Kentucky bluegrass, Poa pratensis L., and tarragon, Artemisia terraе-albaе Krasch., although they can cause anatomical and morphological changes in the roots and leaves of plants grown on soil contaminated with UDMH. Changes in the morphological structure of plants under the influence of UDMH (in particular, in the outer tissue that protects the plant organs from drying out, temperature effects, mechanical damage and other adverse factors) can lead to an imbalance in water metabolism and gas exchange, a deterioration in the absorption and release of water, and the cessation of intake from the soil of both beneficial and harmful substances.
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