Hagner, Mats
(1970).
A genecological investigation of the annual rhythm of Pinus contorta Dougl. and a comparison with Pinus silvestris L.
Technical Report.
Stockholm:
Predecessors to SLU > Royal School of Forestry, Sveriges lantbruksuniversitet.
Studia forestalia Suecica
; 81
[Report]
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Abstract
In a material of 27 provenances of two-year-old Pinuss contorta it was found that the annual rhythm, illustrated by degree of lignification, colour of the bark on the terminal shoot, dry/fresh weight of needles, shoot extension, budsetting and electrical resistance, was related to the geographic and climatic parameters of seed source. Regression analyses showed that the rhythm was most closely correlated with the mean January daily temperature and latitude. The analyses also showed how latitude and altitude interact. Budsetting was found to have a pattern of geographic variation that was different from the other expressions of rhythm. A comparison between P. contorta and P, silvestris with reference to lignification, laboratory frost resistance and field hardiness, indicated that the Canadian pine, which withstands a Scandinavian climate far north of its seed source, presumably manages to do so in spite of a relatively low degree of winter adjustment in late September.
Authors/Creators: | Hagner, Mats |
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Title: | A genecological investigation of the annual rhythm of Pinus contorta Dougl. and a comparison with Pinus silvestris L. |
Series Name/Journal: | Studia forestalia Suecica |
Year of publishing : | 1970 |
Number: | 81 |
Number of Pages: | 26 |
Place of Publication: | Stockholm |
Publisher: | Skogshögskolan |
ISSN: | 0039-3150 |
Language: | English |
Publication Type: | Report |
Full Text Status: | Public |
Subjects: | Obsolete subject words > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Plant production Obsolete subject words > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Plant production > Forestry |
Keywords: | genecological investigations , annual rhythm, Pinus silvestris, Pinus contorta |
URN:NBN: | urn:nbn:se:slu:epsilon-9-117 |
Permanent URL: | http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-9-117 |
ID Code: | 5809 |
Department: | Predecessors to SLU > Royal School of Forestry |
Deposited By: | Skogsbiblioteket Umeå |
Deposited On: | 04 Mar 2011 00:00 |
Metadata Last Modified: | 01 Dec 2015 15:07 |
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