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Urban tree establishment

the impact of nursery production systems and assessment methods

Levinsson, Anna (2015). Urban tree establishment. Diss. (sammanfattning/summary) Alnarp : Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880 ; 2015:24
ISBN 978-91-576-8246-8
eISBN 978-91-576-8247-5
[Doctoral thesis]

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The aim of this PhD project was to study tree establishment, both how it may be improved in urban areas and how it is measured and defined. The establishment phase of trees is a period of reduced tree vitality, and a successful establishment is crucial for long-term survival and prosperity of newly planted trees. However, failed plantings and poor establishment is a common problem in the often harsh growing conditions present in urban areas. Improving tree establishment is thus important for securing the presence of trees in urban environments. Another important part is to understand how the process of establishment is expressed in trees, so that the needs of the trees can be met.

Tree nursery industry has recently developed production systems that aim to produce trees that are better prepared for transplanting. This study set out to investigate the effect nursery production systems might have on tree establishment success, and to examine different ways of assessing establishment, since the term is not consistently defined. Sweet cheery and red oak trees, cultivated as either bare-rooted (BR), balled & burlapped (B&B), root-pruned (RP), air-potted (AP) or fabric container (FC) grown were planted at one urban and one rural site in Southern Sweden. The trees were studied during the final nursery year and the four first post-transplant years. The production systems influenced total root length for both species, providing root systems with large differences in appearance. Shoot growth was restored to pre-transplant values for RP, FC and B&B sweet cherry trees at the rural site, three years after transplanting. Water status was significantly higher for AP trees than BR trees of both species, but only during the first year after transplanting, at the rural site. In general, effects of production system were more pronounced at the rural site with the higher water availability, indicating that none of the studied production systems was superior to use in urban plantings. Visual assessments of the establishment success of the trees were affected by leaf size, colour and shape. Leaf size was related to water status. Water status and shoot growth measurements were not correlated during the first years after transplanting. The term establishment can be used in different ways, and the differences might affect the outcome of an establishment assessment.

Authors/Creators:Levinsson, Anna
Title:Urban tree establishment
Subtitle:the impact of nursery production systems and assessment methods
Series Name/Journal:Acta Universitatis Agriculturae Sueciae
Year of publishing :2015
Depositing date:5 March 2015
Number of Pages:50
ILevinsson, A. (2013). Post-transplant shoot growth of trees from five different production methods is affected by site and species. Arboriculture & Urban Forestry 39(5), 201-210.
IILevinsson, A., Sæbø, A., and Fransson, AM. (2014). Influence of nursery production system on water status in transplanted trees. Scientia Horticulturae 178, 124-131.
IIILevinsson, A., van den Bosch, C., Öxell, C., and Fransson, AM. (2015). Visual assessment of establishment success in urban Prunus avium (L) and Quercus rubra (L) in relation to water status and crown morphological characteristics. Urban Forestry & Urban Greening, in press.
IVLevinsson, A., Fransson, AM., and Emilsson, T. Measuring establishment and post-transplant performance of urban trees (manuscript).
Place of Publication:Alnarp
Publisher:Department of Landscape Architecture, Planning and Management, Swedish University of Agricultural Sciences
Associated Programs and Other Stakeholders:SLU/LTJ - Partnership Alnarp
ISBN for printed version:978-91-576-8246-8
ISBN for electronic version:978-91-576-8247-5
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:F Plant production > F01 Crop husbandry
F Plant production > F62 Plant physiology - Growth and development
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Other Biological Topics
Agrovoc terms:plant establishment, urban environment, street trees, quercus rubra, prunus avium, cultivation, methods, nursery raising, planting stock, transplanting, stress
Keywords:trädetablering, stadsträd, plantskoleproduktion
Permanent URL:
ID Code:11973
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Landscape Architecture, Planning and Management (from 130101)
External funders:LRF/GRO and Stiftelsen Lantbruksforskning
Deposited By: Anna Levinsson
Deposited On:06 Mar 2015 09:12
Metadata Last Modified:10 Sep 2020 13:41

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