Russian Journal of Ecology, Vol. 33, No. 1, 2002, pp. 65–67. Translated from Ekologiya, No. 1, 2002, pp. 70–72. Original Russian Text Copyright © 2002 by Fedorkov. SHORT COMMUNICATIONS Variation in the Anatomical Characters of Needles and Their Resistance to Technogenic and Climatic Stress in Scotch Pine A. L. Fedorkov Institute of Biology, Komi Research Center, Ural Division, Russian Academy of Sciences, ul. Kommunisticheskaya 28, Syktyvkar, 167610 Russia Received August 25, 2000 Key words: Scotch pine, environmental pollution, climatic stress. In Scotch pine (Pinus sylvestrus L.), individual vari- from each tree. To exclude (or at least reduce) the ation in gas resistance was revealed (Mamaev and adverse effect of pollution on the anatomical characters Nikolaevskii, 1968; Shkarlet, 1974; Makarov, 1980; of needles, the test trees were cloned by grafting and Novikov, 1990). As the needles are directly affected by their progenies were cultivated outside the impact zone pollutants, this variation is usually explained by differ- in a plastic greenhouse. The needles of the current year ences in the development of integumentary tissues formed under “clean” conditions were collected from (hypodermis, epidermis, and cuticle), and the density two-year-old ramets. and size of stomata (Spesivtseva and Aleksandrovich, For the anatomical study,
Russian Journal of Ecology – Springer Journals
Published: Oct 13, 2004
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