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Cagauan, A. G.,Joshi, Ravindra C. 경상대학교 농업생명과학연구원 2003 농업생명과학연구 Vol.37 No.2
This study was carried out to provide basic information for the changes of stomata of Pinus thunbergii needles grown at air polluted and unpolluted areas. The arrangement and shape of stomata in P. thunbergii needles at air polluted and unpolluted areas were observed by scanning of electron microscope. The arrangement and shape of stomata in polluted areas were irregularly changed and the changes were more severe in older trees. On the contrary, changes in the stomata arrangement and shape were not observed in 2-year old needles and in unpolluted areas, and stomata changes were not particularly different in tree age.