Foliar injury, leaf gas exchange and biomass responses of black cherry (Prunus serotina Ehrh.) half-sibling families to ozone exposure

K. B. Kouterick, J. M. Skelly, T. S. Fredericksen, K. C. Steiner, Thomas E Kolb, J. A. Ferdinand

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Open pollinated families of black cherry seedlings were studied to determine genotypic differences in foliar ozone injury and leaf gas exchange in 1994 and growth response following three growing seasons. An O3-sensitive half-sibling family (R-12) and an O3-tolerant half-sibling family (MO-7) planted in natural soil were studied along with generic nursery stock (NS) seedlings. Ozone exposure treatments were provided through open top chambers and consisted of 50, 75, and 97% of ambient ozone, and open plots from May 9 to August 26, 1994. Ambient ozone concentrations reached an hourly peak of 88 ppb with 7-hour averages ranging from 39 to 46 ppb. Seedlings in the 50 and 75% of ambient chambers were never exposed to greater than 80 ppb O3. Visible foliar ozone injury (stipple) was significantly higher for R-12 seedlings than MO-7 seedlings and increased with increasing ozone exposures. For the chamber treatments averaged over all families, there was no significant difference in stomatal conductance and net photosynthetic rates, but there was a significant decrease in root biomass, and a significant decrease in root/shoot ratio between the 50 and 97% of ambient chambers. Stomatal conductance and net photosynthetic rates were significantly different between families with R-12 seedlings generally greater than MO-7 seedlings. The R-12 seedlings had a 7.5 mmol m-2 increase in ozone uptake compared to MO-7, and at the same cumulative O3 exposure R-12 exhibited 40.9% stippled leaf area, whereas MO-7 had 9.2% stippled leaf area. Significant differences were observed in stem volume growth and total final biomass between the open-top chambers and open plots. Although R-12 had the most severe foliar ozone injury, this family had significantly greater stem volume growth and total final biomass than MO-7 and NS seedlings. Root:shoot ratio was not significantly different between MO-7 and R-12 seedlings.

Original languageEnglish (US)
Pages (from-to)117-126
Number of pages10
JournalEnvironmental Pollution
Volume107
Issue number1
DOIs
StatePublished - Jan 2000

Fingerprint

Ozone
gas exchange
Seedlings
Biomass
Gases
ozone
seedling
Wounds and Injuries
biomass
open-top chamber
root-shoot ratio
Nurseries
stomatal conductance
leaf area
Growth
Prunus avium
family
exposure
stem
growth response

Keywords

  • Biomass
  • Black cherry
  • Ozone
  • Ozone uptake
  • Stomatal conductance

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry
  • Pollution

Cite this

Foliar injury, leaf gas exchange and biomass responses of black cherry (Prunus serotina Ehrh.) half-sibling families to ozone exposure. / Kouterick, K. B.; Skelly, J. M.; Fredericksen, T. S.; Steiner, K. C.; Kolb, Thomas E; Ferdinand, J. A.

In: Environmental Pollution, Vol. 107, No. 1, 01.2000, p. 117-126.

Research output: Contribution to journalArticle

Kouterick, K. B. ; Skelly, J. M. ; Fredericksen, T. S. ; Steiner, K. C. ; Kolb, Thomas E ; Ferdinand, J. A. / Foliar injury, leaf gas exchange and biomass responses of black cherry (Prunus serotina Ehrh.) half-sibling families to ozone exposure. In: Environmental Pollution. 2000 ; Vol. 107, No. 1. pp. 117-126.
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