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Articles containing the keyword 'CO2 exhange'

Category : Article

article id 4863, category Article
Olavi Luukkanen. (1972). Metsäpuiden fotosynteesin geneettinen vaihtelu. Silva Fennica vol. 6 no. 2 article id 4863. https://doi.org/10.14214/sf.a14666
English title: Genetic variation of photosynthesis in forest trees.
Original keywords: fotosynteesi; geneettinen muuntelu; hengitys; fotorespiraatio; poppeli; hiilidioksidi; kaasuaineenvaihdunta
English keywords: photosynthesis; carbon dioxide; photorespiration; CO2 exhange
Abstract | View details | Full text in PDF | Author Info

In the literature review the current status of information on the genetic variation of CO2 exchange and some reviews and investigations on this subject are listed. Photorespiration is separately discussed and unpublished data of an electron microscope study of poplar leaf microbodies are presented.

Considerable genetic inter- and intraspecific variation is found in several characteristics that affect CO2 exchange in trees. Photosynthesis in young trees does not correlate well with growth through the whole rotation cycle. A special interest has been shown to marginal environmental conditions (e.g. water deficit, low temperature, and low light intensity), as opposed to optimal conditions often employed in laboratory studies of CO2 exchange in trees.

In an unpublished poplar studies by the author et.al. a preliminary experiment with poplar clones showed variation in the CO2 competition point. This variation was negatively correlated with the photosynthesis efficiency of these clones.

The PDF includes a summary in English.

  • Luukkanen, E-mail: ol@mm.unknown (email)

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