Ozone fumigation effects on the morphology and biomass of Norway spruce (Picea abies L.) saplings
B Serafinaviciute , V Stakenas
iForest - Biogeosciences and Forestry, Volume 2, Issue 1, Pages 15-18 (2009)
doi: https://doi.org/10.3832/ifor0483-002
Published: Jan 21, 2009 - Copyright © 2009 SISEF
Research Articles
Collection/Special Issue: Cost Action E29 Meeting 2008 - Istanbul (Turkey)
Future Monitoring and Research Needs for Forest Ecosystems
Guest Editors: Marcus Schaub (WSL, Birmensdorf, CH)
Abstract
The study examined Norway spruce (Picea abies) saplings morphological and biomass sensitivity to ozone fumigation using closed indoor chambers of controlled environment. 4-year-old potted saplings were exposed to three different ozone concentrations: 80 µg/m3, 160 µg/m3, and 240 µg/m3 (7 h/day, 5 days/week). Half of the saplings were harvested after the exposure, and the second half of the saplings were left in the pots in open field until next autumn. The reaction of the saplings of different timing of bud burst was also investigated. The terminal shoot length and the total current year shoot length of Norway spruce saplings after one month of ozone fumigation were significantly (p<0.05) suppressed in all the treatments comparing to the control saplings. The needles of saplings fumigated with ozone were smaller than the needles of control saplings. No significant changes of the biomass of different fractions of Norway spruce saplings were determined right after the fumigation, as well as, in 14 month after the cessation of the fumigation. Norway spruce saplings of early and late timing of bud burst reacted differently to ozone fumigation during the active growth period. The formation of new needles and shoots of the saplings of late bud burst stage was more suppressed comparing to the saplings of the early bud burst stage. The results suggest that the generatively younger organs during their formation are more susceptible to ozone stress. The differences of the needle age between ozone affected and control saplings decreased in one year after the end of fumigation keeping affected Norway spruce saplings in the open field and thus indicating the start of the recovery process.
Keywords
Ozone fumigation, Norway spruce saplings, Shoot morphology, Biomass
Authors’ Info
Authors’ address
V Stakenas
Lithuanian Forest Research Institute, Ecology Department, Girionys, LT-53101 Kaunas distr. (Lithuania)
Corresponding author
Paper Info
Citation
Serafinaviciute B, Stakenas V (2009). Ozone fumigation effects on the morphology and biomass of Norway spruce (Picea abies L.) saplings. iForest 2: 15-18. - doi: 10.3832/ifor0483-002
Paper history
Received: Mar 13, 2008
Accepted: Dec 09, 2008
First online: Jan 21, 2009
Publication Date: Jan 21, 2009
Publication Time: 1.43 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2009
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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