Current issue: 56(2)

Under compilation: 56(3)

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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'talvilepo'

Category: Article

article id 4940, category Article
Paavo Pelkonen, Heikki Smolander. (1976). Männyn kaasunvaihdon elpyminen talvilevon keskeytyessä. Silva Fennica vol. 10 no. 2 article id 4940. https://doi.org/10.14214/sf.a14786
English title: Increase in gas exchange rate in Scots pine by terminating the winter rest period.
Original keywords: mänty; fotosynteesi; aineenvaihdunta; haihdunta; talvilepo
English keywords: Pinus sylvestris; Scots pine; net photosynthesis; winter dormancy; transpiration
Abstract | View details | Full text in PDF | Author Info

The activation of CO2 exchange was monitored in two Scots pine (Pinus sylvestris L.) seedlings transferred from the field to the laboratory in December. Gas exchange was monitored by an URAS I infrared gas analyser in a so-called open IRGA-system with trap type chambers. Transpiration was also measured at the same time by weighing the potted seedlings twice a day. The measuring period lasted eleven days. During the period, the level of both transpiration and net photosynthesis increased about ten times. Furthermore, it was found that the level of photosynthesis at high temperatures was relatively lower at the beginning than at the end of the measuring period.

The PDF includes a summary in English.

  • Pelkonen, E-mail: pp@mm.unknown (email)
  • Smolander, E-mail: hs@mm.unknown

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