Physiological and biochemical responses of elevated ozone on Pterocarpus indicus under well-watered and drought conditions

Saeng Geul Baek, Jeong ho Park, Myeong Ja Kwak, Jong Kyu Lee, Chae Sun Na, Byulhana Lee, Su Young Woo

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Seedlings of Pterocarpus indicus were grown in both well-watered and drought stress conditions in phytotron. Seedlings grown under well-watered and drought stress conditions were exposed to either combined or without ozone of 200 ppb for one month. First, the physiological responses to elevated ozone levels indicated a decreased biomass. The seedlings grown in arid soil and exposed to ozone showed less biomass than those grown in arid soil but not exposed to ozone. Moreover, all the seedlings except the well-watered and unexposed ones showed a significantly lower photosynthetic rate (PN) over time. However, with the accumulation of ozone injuries, the antioxidant enzyme activities increased overall. In the study results, when exposed to ozone, the well-watered seedlings exhibited more antioxidative enzyme activity than did the seedlings grown in arid soil. Generally, P. indicus in arid soil suffered less damage from elevated ozone than did the well-watered plants.

Original languageEnglish
Pages (from-to)153-159
Number of pages7
JournalForest Science and Technology
Volume14
Issue number4
DOIs
StatePublished - 2 Oct 2018

Keywords

  • Antioxidant enzyme
  • Pterocarpus indicus
  • biomass
  • ozone
  • photosynthetic rate

Fingerprint

Dive into the research topics of 'Physiological and biochemical responses of elevated ozone on Pterocarpus indicus under well-watered and drought conditions'. Together they form a unique fingerprint.

Cite this