Survival and growth in Scots pine (Pinus silvestris L.)

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Abstract
Genotype — environment interaction has been investigated in Scots pine provenance experimental series, laid out during 1952–1955 in Sweden. Results obtained from six experimental plantations in the county of Norrbotten during a period of 20 years (including 1970) are the subject of discussion. The genecological variation of climatic hardiness, survival and growth — rate are shown graphically and in statistical analyses. Response of seed sources to the transfer of populations from their native habitats to the experimental sites has been analysed. The changed length of the growing season in connection with the transfer of populations is taken as the criterion of climatic differences on natural habitats and experimental sites.

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