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Anna Maria Jönsson

Professor

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Frost hardiness in bark and needles of Norway spruce in southern Sweden

Author

  • Anna Maria Jönsson
  • M Kivimäenpää
  • Ingrid Stjernquist
  • S Sutinen

Summary, in English

Bark necrosis and resin flows in Norway spruce have increased in southern Sweden over the last few decades. Frost damage late in spring has been suggested as a possible cause, but other factors besides the climate may have contributed to the damage. The nutrient status influences the hardening processes and plants with poor nutritional conditions have an increased sensitivity to frost. In this study the sensitivity to frost of bark and the hardiness status of needles of Norway spruce were compared with the nutrient status at two sites with different soil fertility. The trees were 30-40 years old. The hardiness status of the bark and needles was negatively affected by low concentrations of P and Mg.

Department/s

  • Dept of Physical Geography and Ecosystem Science
  • Department of Biology

Publishing year

2001

Language

English

Pages

171-176

Publication/Series

Trees

Volume

15

Issue

3

Document type

Journal article

Publisher

Springer

Topic

  • Ecology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1432-2285