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Journal of Forestry Research

, Volume 10, Issue 2, pp 83–86 | Cite as

Effects of simulated acid rain on seedling emergence and growth of five broad-leaved species

  • Fan Houbao
  • Li Chuanrong
Article

Abstract

Seeds and seedlings of five broad-leaved species were separately exposed to simulated acid rain at pH values of 2.0, 3.5, 5.0, and 6.0, or to distilled water (the control). The results showed that seed germination was remarkably inhibited by pH 2.0 treatment for three species. Significant foliar damage, decline in chlorophyll contents, and retardation of the seedlings growth of all the species, were observed at pH 2.0 treatment. The pH 2.0 treatment seemed to be a threshold level for inhibition of seed germination and seedling growth for all the treated species, while seedling was stimulated at pH value between 3.5 and 5.0.

Key words

Simulated acid rain Broad-leaved species Seed germination Seedling growth 

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Copyright information

© Northeast Forestry University 1999

Authors and Affiliations

  • Fan Houbao
    • 1
  • Li Chuanrong
    • 2
  1. 1.Department of Resources and EnvironmentFujian Forestry CollegeNanpingP. R. China
  2. 2.Northeast Forestry UniversityHarbin

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