Post-transplant growth of five deciduous ordic tree species as affected by transplanting date and root pruning

Solfjeld, Ingjerd; Hansen, Ole Billing

doi:10.1078/1618-8667-00029

Cited by 10 publications

(3 citation statements)

References 12 publications

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“…This data set is representative of Oslo's tree canopy since the city is characterized by large tree species. All the main tree species in Oslo -Acer platanoides, Aesculus hippocastanum, Tilia platyphyllos, and Tilia x vulgaris (Fostad & Pedersen, 1997;Solfjeld & Hansen, 2004)grow considerably taller than 5 m. The difference in year of measurement between the GIS data (tree canopy) and the survey (perceived safety) is not expected to affect the results as tree cover in the study's neighborhoods has remained relatively stable throughout. There are certain neighborhoods in Oslo that have been lately redeveloped and densified (e.g.…”

Section: Variable Descriptionsmentioning

confidence: 97%

The impact of urban tree cover on perceived safety

Mouratidis

2019

Urban Forestry & Urban Greening

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Section: Variable Descriptionsmentioning

confidence: 97%

The impact of urban tree cover on perceived safety

Mouratidis

2019

Urban Forestry & Urban Greening

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“…Newly transplanted trees often experience growth depressions during the first growth periods at their final sites, to a large extent caused by the loss of root biomass during the transplanting process (Solfjeld and Hansen 2004). Although information about the extent of root loss is not entirely consistent and depends on the production method, there is little doubt that trees planted bare-rooted or balled & burlapped lose roots during harvest (Watson and Sydnor 1987;Gerhold and Johnson 2003;Anella et al 2008;Struve 2009).…”

Section: Weed Controlmentioning

confidence: 99%

Growth of Newly Established Tilia platyphyllos ‘Rubra’ Roadside Trees in Response to Weed Control and Pruning

Kristoffersen¹,

Bühler²,

Larsen³

et al. 2010

AUF

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This tree establishment study investigates the effect of weed control and pruning treatments on stem and branch diameter increment of newly planted broad-leaved lime (Tilia platyphyllos ‘Rubra’) roadside trees. Weed control significantly increased stem circumference four years after establishment by 3.6 cm (1.4 in) from 24.5 cm (9.7 in, untreated control) to 28.1 cm (11.1 in). In terms of Danish nursery sales prices, this corresponds to an increase of tree cash value of 1201 DKK (160.90 €, 235.40 US$) per tree. Calculating with 400 DKK (53.60 €, 78.40 US$) as cost for contract weeding per hour, this corresponds to 0.75 hours per tree per year for a period of four years. In addition to weed control treatments, trees were pruned at establishment, two years after establishment, or at both times. None of the pruning treatments affected stem diameter growth, but branch diameter and branch:stem diameter ratio were significantly reduced by all pruning treatments. Branch diameter ranged from 40.1 mm (1.6 in) on unpruned trees to 34.6 mm (1.4 in on trees pruned both times. Branch:stem diameter ratio ranged from 0.54 on unpruned trees to 0.49 on trees pruned both times. In consequence, weed control is recommended as a strong management practice. Mild pruning is also considered advisable, if structural crown problems can be avoided at an early stage, and if the tree has to be prepared for later pruning operations.

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“…Root pruning stimulates new root growth (Castle, 1983), whereas others have found no effect on root growth (Geisler and Ferree, 1984), but a pronounced decrease in shoot growth with increasing severity of root pruning (Andersen et al, 2000;Brantley and Conner 1997;Geisler and Ferree, 1984;Solfjeld and Hansenf, 2004;Yang et al, 2010). The seedlings with heavier strength of root pruning were unable to uptake adequate water and nutrient due to the decreased root-soil contact and root surface area from root pruning (Farmer and Pezeshki, 2004).…”

Section: Discussionmentioning

confidence: 99%

Influence of Initial Seedling Size and Root Pruning Intensity on Growth of Transplanting Seedling of Quercus acutissma

Na¹,

Lee²,

Kim³

2013

Korean Journal of Plant Resources

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-The objective of this study was to examine the effect of root pruning intensity in combination with different initial seedling size on the growth of transplanting seedlings of Quercus acutissima. One-year-old seedlings were divided into three groups depending on their height, i.e. small (< 15 cm), medium (25-35 cm) and large size (35 cm <). Root of seedlings was pruned by three intensity such as, leaving 5 cm (severe), 10 cm (medium) and 15 cm (light) of taproot from the root-collar. After one year, we investigated survival rate, height and root-collar diameter (RCD) increment and final shoot dry weight. Also we measured characteristics of newly developed lateral roots such as number, total length, dry weight and diameter. Severe root pruning showed the lowest survival rate in all seedling size. Height increment, RCD increment and shoot dry weight were decreased with increasing intensity of root pruning. Seedlings of medium and light root pruning showed similar above-ground growth and dry weight of lateral roots. More large seedlings showed good survival rate, height increment and final shoot dry mass in all root pruning intensity. Therefore, one-year-old seedlings of Q. acutissima should be pruned taproot by 10 cm and transplanted to obtain excellent performance and increase the efficiency of transplanting work. Based on the findings of this study, it is important that applying to different root pruning intensity depending on initial seedling size for producing 2-year-old seedlings with excellent growth and high quality.

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Post-transplant growth of five deciduous ordic tree species as affected by transplanting date and root pruning

Cited by 10 publications

References 12 publications

The impact of urban tree cover on perceived safety

The impact of urban tree cover on perceived safety

Growth of Newly Established Tilia platyphyllos ‘Rubra’ Roadside Trees in Response to Weed Control and Pruning

Influence of Initial Seedling Size and Root Pruning Intensity on Growth of Transplanting Seedling of Quercus acutissma

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