The Impact of SO2 and NO2 Industrial Emissions on Anatomical Stem of Salix alba
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Дата
2016-02
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Видавець
SciPress Ltd.
Анотація
The paper examines the influence of industrial emissions SO2 and NO2 on the
anatomical structure of the annual shoot stems of Salix alba L. in conditions of steppe zone of
Ukraine. It reveals high stability of histological characteristics of the studied type to phytotoxic
pollutants, which was proved by thickening of almost all anatomical stem parameters. It was
ascertained the toxic gases chronic effect results in increasing the thickness of the stem cortex in the
research object through the increase of the primary cortex where collenchyme and parenchyma
grow thicker, and through thickening the secondary cortex as hard bast indices rise. The study
proved that toxic gases do not affect the wood radius and pith diameter, though the biggest trachea
diameter increases significantly. It has shown the thickening of both primary cortex and secondary
bast which contribute to the change of that the diameter of annual shoot stems of S. alba in
conditions of technogenesis. The high adaptive capacity of anatomical indicators of this his plant
species stem to industrial pollution has been demonstrated, and therefore it was suggested that
S. alba can be used for planting the areas subject to chronic actions SO2 and NO2.
Опис
Research article
Ключові слова
anatomical indices, the structure of the stem, toxic gases, planting
Бібліографічний опис
T. Iusypiva and G. Miasoid, "The Impact of SO2 and NO2 Industrial Emissions on Anatomical Stem of Salix alba", International Letters of Natural Sciences, Vol. 51, pp. 6-13, 2016