Aleksei Fedorkov 
Climatic adaptation of seed maturity in Scots pine and Norway spruce populations
Fedorkov A. (2001). Climatic adaptation of seed maturity in Scots pine and Norway spruce populations. Silva Fennica vol. 35 no. 1 article id 609. https://doi.org/10.14214/sf.609
Abstract
Seed maturation of Scots pine and Norway spruce in a provenance experiment at Kortkeros (northern Russia) was examined by the X-ray method. Logarithmic relationships were found between seed anatomy development and long-term average thermal sum. Seed development in the northern populations of Scots pine and Norway spruce was a little faster than in the southern ones.
Keywords
Norway spruce;
Scots pine;
climatic adaptation;
provenance experiment;
seed maturation;
X-ray method
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Fedorkov,
Russian Academy of Sciences, Komi Science Centre, Institute of Biology, Kommunisticheskya St., 28, 167610 Syktyvkar, Russia
E-mail
fedorkov@ib.komisc.ru
Received 7 May 1999 Accepted 18 January 2001 Published 31 December 2001
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