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Scots pine (Pinus sylvestris L.) seedlings were grown under different conditions (three field locations, two seasons and two climate room regimes), and then analyzed for freezing tolerance of shoots and roots and for transcript abundance in apical buds based on a cDNA microarray containing about 1500 expressed sequence tags (ESTs) from buds of cold-treated(More)
The influence of soil temperature on the root freezing tolerance of one-year-old containerized Scots pine (Pinus sylvestris L.) seedlings was investigated. In addition, the TTC and electrolyte leakage methods were evaluated in terms of their suitability for use in detecting damage to roots caused by freezing. In mid-August, seedlings were placed in three(More)
Postprint This is the accepted version of a paper published in Forestry (London). This paper has been peer-reviewed but does not include the final publisher proof-corrections or journal pagination. Protection of spruce seedlings against pine weevil attacks by treatment of seeds or seedlings with nicotinamide, nicotinic acid and jasmonic acid. Access to the(More)
In boreal forest regions, a great portion of forest tree seedlings are stored indoors in late autumn to prevent seedlings from outdoor winter damage. For seedlings to be able to survive in storage it is crucial that they store well and can cope with the dark and cold storage environment. The aim of this study was to search for genes that can determine the(More)
Small conifer seedlings (mini-seedlings) are less damaged by the large pine weevil Hylobius abietis (L.) (Coleoptera: Curculionidae) compared to conventional seedlings. Chemical difference between the seedling types is one possible explanation for this phenomenon. In the present paper, the emissions of volatile organic compounds (VOC) of 7- to 43-week-old(More)
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