Field assessment of a snap bean ozone bioindicator system under elevated ozone and carbon dioxide in a free air system

Kent O. Burkey, Fitzgerald L. Booker, Elizabeth Ainsworth, Randall L Nelson

Research output: Contribution to journalArticle

Abstract

Ozone-sensitive (S156) and -tolerant (R123 and R331) genotypes of snap bean (Phaseolus vulgaris L.) were tested as a plant bioindicator system for detecting O 3 effects at current and projected future levels of tropospheric O 3 and atmospheric CO 2 under field conditions. Plants were treated with ambient air, 1.4× ambient O 3 and 550 ppm CO 2 separately and in combination using Free Air Concentration Enrichment technology. Under ambient O 3 concentrations pod yields were not significantly different among genotypes. Elevated O 3 reduced pod yield for S156 (63%) but did not significantly affect yields for R123 and R331. Elevated CO 2 at 550 ppm alone did not have a significant impact on yield for any genotype. Amelioration of the O 3 effect occurred in the O 3 + CO 2 treatment. Ratios of sensitive to tolerant genotype pod yields were identified as a useful measurement for assessing O 3 impacts with potential applications in diverse settings including agricultural fields.

Original languageEnglish (US)
Pages (from-to)167-171
Number of pages5
JournalEnvironmental Pollution
Volume166
DOIs
StatePublished - Jul 1 2012

Fingerprint

Ozone
Biomarkers
Carbon Monoxide
Carbon Dioxide
Carbon dioxide
Air
Genotype
Phaseolus
Technology

Keywords

  • Bioindicator
  • Carbon dioxide
  • Free air concentration enrichment (FACE)
  • Ozone
  • Snap bean

ASJC Scopus subject areas

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Field assessment of a snap bean ozone bioindicator system under elevated ozone and carbon dioxide in a free air system. / Burkey, Kent O.; Booker, Fitzgerald L.; Ainsworth, Elizabeth; Nelson, Randall L.

In: Environmental Pollution, Vol. 166, 01.07.2012, p. 167-171.

Research output: Contribution to journalArticle

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