Title: The effect of sulfur dioxide on selected deciduous forest trees

Authors: BĘŚ, A., BACIAK, M.

Keywords: photosynthetic dyes, sulfur dioxide, black alder, English oak, chlorophyll, pollutions

Abstract: Exposure of plants to sulfur dioxide causes yellowing of the green portions of the leaf and chlorophyll destruction, which inhibits photosynthesis. Plants incur more damage from sulfur dioxide during daytime, when stomata are open in the presence of sunlight and sulfur dioxide can penetrate into leaf cells. High sulfur dioxide concentrations lead to chlorophyll degradation, photosynthesis disturbance and inhibition of assimilation in leaves, which increases the vulnerability of trees to climatic factors and decreases their resistance to diseases and pests. The aim of this study was to determine the sensitivity of black alder and English oak to gaseous air pollution. The trees were exposed to increased sulfur dioxide concentrations. The effect of sulfur dioxide on leaves was evaluated based on the concentrations of chlorophyll a and chlorophyll b extracted using dimethyl sulfoxide (DMSO). The black alder was more susceptible to sulfur dioxide than the English oak. Exposure of trees to sulfur dioxide considerably reduced the concentrations of chlorophyll a and chlorophyll b, and the rate of photosynthesis. Injury to foliage caused by sulfur dioxide appeared in the form of necrotic lesions in the black alder, and yellow chlorosis spots and individual brown necrotic patches in the English oak.

APA style references: Bęś, A. & Baciak, M. (2015). The effect of sulfur dioxide on selected deciduous forest trees. Scientific Review Engineering and Environmental Sciences, 24 (2), 155-166.

APA style citation in text: The first time citation in text: (Bęś & Baciak, 2015), next citation: (Bęś & Baciak, 2015)

Chicago style references: Bęś, Agnieszka, Michał Baciak. "The effect of sulfur dioxide on selected deciduous forest trees." Scientific Review Engineering and Environmental Sciences, 68 ser., vol. 24, no 2, (2015): 155-166.

Chicago style citation in text: (Bęś, and Baciak 2015)

Bibtxt style references: @article{Bęś_Baciak_2015_PNIKS, author={Bęś, Agnieszka and Baciak, Michał}, title={The effect of sulfur dioxide on selected deciduous forest trees.}, journal={Scientific Review Engineering and Environmental Sciences}, URL={http://iks_pn.sggw.pl/PN68/A5/art5.pdf}, year={2015}, volume={24 (2)}, number={68}, pages={155-166}}

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