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Overwinter storage of European beech and Norway spruce planting stock: effect of different methods and temperature conditions.

Author(s) : PANTOVÁ P., HOUŠKOVÁ K., MAUER O.

Type of article: Periodical article, Review

Summary

The aim of this research was to compare methods of overwinter storage of forest tree species planting stock and to specify of the optimal and the minimal temperature for freezing. Planting stock of European beech and Norway spruce were stored three times over a period of dormancy (2015/2016, 2016/2017, 2017/2018) (1) in freezers, (2) in an air-conditioned warehouse, (3) in a cave and (4) in soil (bare-rooted plants) and at a holding area (containerized plants), i.e., an open storage. During storage, the vitality of plants was determined using the root electrolyte leakage (REL) parameter, and in 2016 also by restoring growth in a sample of plants. The stored plants were always planted in a forest research plot in the spring and their basic morphological parameters and mortality were evaluated at the end of the growing season. The most suitable temperature for storage of both bare-rooted and containerized beech and spruce was in the range from −3.4 °C to −1.7 °C. The plants after overwinter storage showed no significant mortality after planting–they showed a high vitality of the fine roots and a normal increment, and were not damaged by frost, mold or other negative factors during storage.

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Pages: 13

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  • Original title: Overwinter storage of European beech and Norway spruce planting stock: effect of different methods and temperature conditions.
  • Record ID : 30029264
  • Languages: English
  • Subject: Technology
  • Source: Forests - vol. 12 - n. 9
  • Publishers: MDPI
  • Publication date: 2021/09
  • DOI: http://dx.doi.org/10.3390/f12091286

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