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Adaptation of larch (Larix decidua) of Polish provenances under mountainous conditions of Beskid Sądecki (southern Poland)

Author

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  • M. Kulej

    (Faculty of Forestry, Department of Forest Tree Breeding, Agricultural University, Cracow, Poland)

Abstract

A long-term study carried out within the 1967 All-Poland Larch Provenance Experiment investigated genetic variation in 20 Polish provenances of larch growing under the site conditions of the Beskid Sądecki Mts. (at a test site in Krynica). The study was based on the measurements of tree height made in individual larch populations during 1969-1999, i.e. when trees were 5, 8, 11, 15, 20, 25, 30 and 35 years old. The results showed a considerable adaptation stability of the provenances tested at the Krynica site. This stability, however, tended to decrease with increasing mean height of trees. An estimation of the effect of the "genotype (provenance) × years of observation (age)" interaction revealed a high stability of height growth in larch populations having extreme values of this trait. As follows from the study, it is possible, especially in the case of the latter group of provenances, to carry out effective selection in the early stage of tree growth, thus ensuring a permanent genetic gain.

Suggested Citation

  • M. Kulej, 2004. "Adaptation of larch (Larix decidua) of Polish provenances under mountainous conditions of Beskid Sądecki (southern Poland)," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 50(12), pages 559-565.
    • Handle: RePEc:caa:jnljfs:v:50:y:2004:i:12:id:4657-jfs
    DOI: 10.17221/4657-JFS
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