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has been cited by the following article:

• TITLE: Selection of Landscape Tree Species of Tolerant to Sulfur Dioxide Pollution in Subtropical China

  AUTHORS: Xizi Zhang, Ping Zhou, Weiqiang Zhang, Weihua Zhang, Yongfeng Wang

  KEYWORDS: Sulfur Dioxide; Fumigation; Landscape Trees; Air Pollutant Tolerance; Sulfur Content; Net Photosynthesis Rate

  JOURNAL NAME: Open Journal of Forestry, Vol.3 No.4, September 6, 2013

  ABSTRACT: Sulfur dioxide (SO2) is a major air pollutant, especially in developing countries. Many trees are seriously impaired by SO2, while other species can mitigate air pollution by absorbing this gas. Planting appropriate tree species near industrial complexes is critical for aesthetic value and pollution mitigation. In this study, six landscape tree species typical of a subtropical area were investigated for their tolerance of SO2: Cinnamomum camphora (L.) J. Presl., Ilex rotunda Thunb., Lysidice rhodostegia Hance, Ceiba insignis (Kunth) P. E. Gibbs & Semir, Cassia surattensis Burm. f., and Michelia chapensis Dandy. We measured net photosynthesis rate, stomatal conductance, leaf sulfur content, relative water content, relative proline content, and other parameters under 1.31 mg·m-3 SO2 fumigation for eight days. The results revealed that the six species differed in their biochemical characteristics under SO2 stress. Based on these data, the most appropriate species for planting in SO2 polluted areas was I. rotunda, because it grew normally under SO2 stress and could absorb SO2.