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The influence of enhanced UV-B radiation on the spring geophyte Pulmonaria officinalis

Gaberscik, A; Novak, M; Trost, T; Mazej, Z; Germ, M and Björn, Lars Olof LU (2001) In Plant Ecology 154(1-2). p.49-56
Abstract
Pulmonaria officinalis is an understorey spring geophyte, which starts its vegetative period before full foliation of the tree storey. During its early growth phase it is exposed to full solar radiation, therefore the enhanced UV-B radiation could present a threat to this species. An outdoor experiment in which potted plants were exposed to below ambient, ambient, and above ambient (corresponding to 17% ozone reduction) UV-B radiation, was conducted in order to evaluate the radiation effects. The amount of photosynthetic pigments and photochemical efficiency of PSII were not affected, but the amount of UV-B absorbing compounds was lower in plants grown under reduced UV-B. This change was measurable after only fourteen days in reproductive... (More)
Pulmonaria officinalis is an understorey spring geophyte, which starts its vegetative period before full foliation of the tree storey. During its early growth phase it is exposed to full solar radiation, therefore the enhanced UV-B radiation could present a threat to this species. An outdoor experiment in which potted plants were exposed to below ambient, ambient, and above ambient (corresponding to 17% ozone reduction) UV-B radiation, was conducted in order to evaluate the radiation effects. The amount of photosynthetic pigments and photochemical efficiency of PSII were not affected, but the amount of UV-B absorbing compounds was lower in plants grown under reduced UV-B. This change was measurable after only fourteen days in reproductive shoots, while in the vegetative shoots, it was not detectable until after three months. The leaves of P. officinalis are variegated and the light green spots became less transparent to PAR under enhanced UV-B. The results reveal that under simulated 17% ozone depletion the harmful effects of UV-B on the measured parameters were negligible.



This is the final, accepted and revised manuscript of this article. Use alternative location to go to the published article. Requires subscription. The original publication is available at www.springerlink.com. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Plant Ecology
volume
154
issue
1-2
pages
49 - 56
publisher
Springer
external identifiers
  • scopus:0035653085
ISSN
1573-5052
DOI
10.1023/A:1012986214713
language
English
LU publication?
yes
id
b0c55fa7-1c66-432a-a593-ea42c325711c (old id 133518)
alternative location
http://springerlink.metapress.com/openurl.asp?genre=article&id=doi:10.1023/A:1012986214713
date added to LUP
2007-07-30 14:01:17
date last changed
2018-05-29 11:57:56
@article{b0c55fa7-1c66-432a-a593-ea42c325711c,
  abstract     = {Pulmonaria officinalis is an understorey spring geophyte, which starts its vegetative period before full foliation of the tree storey. During its early growth phase it is exposed to full solar radiation, therefore the enhanced UV-B radiation could present a threat to this species. An outdoor experiment in which potted plants were exposed to below ambient, ambient, and above ambient (corresponding to 17% ozone reduction) UV-B radiation, was conducted in order to evaluate the radiation effects. The amount of photosynthetic pigments and photochemical efficiency of PSII were not affected, but the amount of UV-B absorbing compounds was lower in plants grown under reduced UV-B. This change was measurable after only fourteen days in reproductive shoots, while in the vegetative shoots, it was not detectable until after three months. The leaves of P. officinalis are variegated and the light green spots became less transparent to PAR under enhanced UV-B. The results reveal that under simulated 17% ozone depletion the harmful effects of UV-B on the measured parameters were negligible.<br/><br>
<br/><br>
This is the final, accepted and revised manuscript of this article. Use alternative location to go to the published article. Requires subscription. The original publication is available at www.springerlink.com.},
  author       = {Gaberscik, A and Novak, M and Trost, T and Mazej, Z and Germ, M and Björn, Lars Olof},
  issn         = {1573-5052},
  language     = {eng},
  number       = {1-2},
  pages        = {49--56},
  publisher    = {Springer},
  series       = {Plant Ecology},
  title        = {The influence of enhanced UV-B radiation on the spring geophyte Pulmonaria officinalis},
  url          = {http://dx.doi.org/10.1023/A:1012986214713},
  volume       = {154},
  year         = {2001},
}