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Evaluation of the growth and health status of selected clone mixtures in comparison with ordinary planting stock

Author

Listed:
  • J. Leugner

    (Forestry and Game Management Research Institute, Opočno Research Station, Opočno, Czech Republic)

  • A. Jurásek

    (Forestry and Game Management Research Institute, Opočno Research Station, Opočno, Czech Republic)

  • J. Martincová

    (Forestry and Game Management Research Institute, Opočno Research Station, Opočno, Czech Republic)

Abstract

The present paper compares the growth of parent trees and potentially stress-tolerant mixtures of clones of Norway spruce (Picea abies [L.] Karst.) progenies coming from a specific locality near the Černá hora peat bog in the Krkonoše Mts. Growth was studied in generative ortet plantations in Trutnov locality and in a mountain ortet plantation Lesní bouda, in the 1st generation clone plantation Benecko and in the 2nd generation clone plantation in the Černohorská rašelina locality. In the latter locality chlorophyll fluorescence and water losses during controlled desiccation were also measured in selected clones compared to control (generatively propagated) spruces. Partial data acquired until now prove the good growth dynamics and physiological state of some clones in extreme climatic conditions indicating that cuttings were taken from vital parent trees growing in exposed mountain localities. Growth relations among the clones were identical in all evaluated localities. The growth of the 2nd generation clone plantation has been markedly influenced by plantation and specific site conditions until now. The mutual interaction of clone growth and site conditions can change in time and therefore the study of clone plantations will continue in the years to come.

Suggested Citation

  • J. Leugner & A. Jurásek & J. Martincová, 2010. "Evaluation of the growth and health status of selected clone mixtures in comparison with ordinary planting stock," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 56(7), pages 314-322.
    • Handle: RePEc:caa:jnljfs:v:56:y:2010:i:7:id:92-2009-jfs
    DOI: 10.17221/92/2009-JFS
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