Author:
Kiashko Н.,Sorochinska О.,Savchuk М.,Taran О.
Abstract
The paper presents the results of the study of the influence of railway transport on the passing the fluorescence induction of chlorophyll in the leaves of broad-leaved linden (Tilia platyphyllos). The relevance of research is due to the increase in the intensity of the negative impact of transport on the environment, directly on phytocenoses, which causes a violation of physiological processes and leads to the failure of photosynthesis, which is very important for the vital activity of plants. Thus, the aim of the work was to study the influence of railway transport on the induction of chlorophyll fluorescence in the leaves of broad-leaved linden trees, as one link in the overall monitoring of the impact of railway transport on the environment. The passage of IFH in tree leaves was evaluated using the portable device "Floratest". Trees grown on the territory of the Holosiiv Park were used as controls, and trees growing on the territory of the locomotive depot "Ukrzaliznytsia" served as experimental samples. Measurements of chlorophyll fluorescence induction were carried out on leaves growing on the lower tiers of trees. Assessment of the physiological state of linden leaves under the influence of railway transport was carried out according to the main parameters of the Kautsky induction curve. It was established that the IFH indicators, such as F0, Fpl, F st, Fv, F max, in the trees growing on the territory of the locomotive depot exceeded the IFH indicators of the trees from the Holosiiv park, which is explained by the failure of the dynamic balance between the IFH processes and the violation of photosynthetic processes in the trees . According to the comparative analysis of IFH parameters in control and experimental samples of linden tree leaves, it can be concluded that the trees growing on the territory of the locomotive depot "Ukrzaliznytsia" were slightly stressed by possible noise, vibration and chemical pollution caused by the operation of the railway.
Publisher
National University of Life and Environmental Sciences of Ukraine
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