Section 4
Chapter 3,742

Effects of excessive nutrient supply and short day treatment on autumn frost hardiness and time of bud break in Picea abies seedlings

Floistad, I.S.

Scandinavian Journal of Forest Research 17(4): 295-303


ISSN/ISBN: 0282-7581
DOI: 10.1080/02827580260138053
Accession: 003741304

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Contradictory results have been reported on the impact of needle nutrient concentration on frost hardiness in conifers. The aim of the present study was to test whether excessive nitrogen (N) supply would make seedlings of Picea abies (L.) Karst. more susceptible to autumn frost damage or lead to earlier bud break in the subsequent spring. Seedlings were grown in a greenhouse for one season and given a nutrient supply resulting in needle N concentrations ranging from 2.2 to 3.3%.

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