Growth of Loblolly Pine with Roots Planted in Five Configurations

Woods, Frank W.

doi:10.1093/sjaf/4.2.70

Cited by 9 publications

(6 citation statements)

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“…The other root characteristics that distinguish planted trees from natural trees can not be absolutely attributed to poor planting and may be the result o f container constraints. These characteristics represent the bulk of the root deformities and this is consistent with other studies of the effect of container on root form(McMinn, 1978).Studies of the effects of root form on growth and development of trees often focus onone particular aspect of root form, e.g., J-root, or treat different root characteristics as diObrent treatments(Woods. 1980).…”

supporting

confidence: 73%

“…For many years, deviations from the natural root form have also been documented in planted trees Woods, 1980;. These studies consistently report that planted tree root systems often maintain deformities for many years.…”

Section: Planted Tree Root Formmentioning

confidence: 70%

“…There is currently no standardized method for measuring root morphology, and there are no standardized definitions for terms used to describe tree root morphology. However, types of root deformations in planted trees consistently described and reported include tree root balling or knotting Woods, 1980), spiral rooting , Jrooting or L-rooting Sutton, 1978;Woods, 1980), slit plant morphology Schultz, 1973) and taproot deformation (Martinsson, 1986). In addition, lateral development and spread is described in a number of ways: root diameter, surface area, numbers, origins, and hierarchy (Fitter, 1985;Coutts et al, 1990).…”

Section: Planted Tree Root Formmentioning

confidence: 99%

“…have larger above-ground dry weight than trees with better root form. A later paper byWoods (1980) shows that seven-year-old loblolly pines, R mgda L., with bent, balled or slanted root forms do not have reduced above-ground growth or survival.There have also been a number of studies linking root form with the stability ofplanted conifers. Krasowski (2(X)3) evaluated the e^ect of stock type, tree density and tree slope position on stability of lodgepole pine seedlings in the central interior of British Columbia.…”

mentioning

confidence: 95%

“…Root deformities in planted trees have been identified in the literature for many years Woods, 1980;. Planted trees often have root deformities that result from the container in which the seedling was grown (Burdett and Martin, 1982;Burdett et al 1983; and they may also have root deformities as a result of planting fault .…”

Section: Introductionmentioning

confidence: 99%

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Effects of root deformation on growth and susceptibility of lodgepole pine to attack by the Warren root collar weevil.

Robert¹

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The author has granted a non exclusive license allowing Library and Archives Canada to reproduce, publish, archive, preserve, conserve, communicate to the public by telecommunication or on the Internet, loan, distribute and sell theses worldwide, for commercial or non commercial purposes, in microform, paper, electronic and/or any other formats. AVIS: L'auteur a accordé une licence non exclusive permettant à la Bibliothèque et Archives Canada de reproduire, publier, archiver, sauvegarder, conserver, transmettre au public par télécommunication ou par l'Internet, prêter, distribuer et vendre des thèses partout dans le monde, à des fins commerciales ou autres, sur support microforme, papier, électronique et/ou autres formats. The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. L'auteur conserve la propriété du droit d'auteur et des droits moraux qui protège cette thèse. Ni la thèse ni des extraits substantiels de celle-ci ne doivent être imprimés ou autrement reproduits sans son autorisation. In compliance with the Canadian Privacy Act some supporting forms may have been removed from this thesis. Conformément à la loi canadienne sur la protection de la vie privée, quelques formulaires secondaires ont été enlevés de cette thèse. While these forms may be included in the document page count, their removal does not represent any loss of content from the thesis. Canada Bien que ces formulaires aient inclus dans la pagination, il n'y aura aucun contenu manquant.

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supporting

confidence: 73%

Section: Planted Tree Root Formmentioning

confidence: 70%

Section: Planted Tree Root Formmentioning

confidence: 99%

mentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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Effects of root deformation on growth and susceptibility of lodgepole pine to attack by the Warren root collar weevil.

Robert¹

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Proper Planting Improves Performance

Long¹

1991

Forest Regeneration Manual

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Growth and water potential of j-rooted loblolly and eastern white pine seedlings over three growing seasons

1990

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Application. Root deformations, such as j-rooting, have long been considered detrimental to forest seedling growth. Based on the results of this study, j-rooting will not result in water stress or lead to reductions in growth three years after planting. Tree planters need to be concerned with planting seedlings quickly and at the correct depth. Instructing planters to avoid j-roots by pulling back up on the seedlings when they are placed in the bottom of planting hole may do more damage than good since the end result could be shallower root placement.Abstract. The effects of j-rooting on water stress and growth of loblolly (Pinus taeda L.) and eastern white pine (Pinus strobus L.) were examined over three growing seasons in the field. Seedlings were planted in an area with severe herbaceous competition with either their roots planted straight or bent into a j shape. All seedlings were planted with their root collars placed at the soil surface. During the first year j-rooted seedlings consistently had lower water potentials but never statistically significant. Since both treatments were planted with the root collar at the soil surface, this trend was likely due to an initial shallower root system in j-rooted seedlings. In year three no differences in water potential were significant and no trends were evident. Growth did not differ significantly by treatment at any time but, by year three, j-rooted plants were consistently larger for both species.

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Growth of Loblolly Pine with Roots Planted in Five Configurations

Cited by 9 publications

References 0 publications

Effects of root deformation on growth and susceptibility of lodgepole pine to attack by the Warren root collar weevil.

Effects of root deformation on growth and susceptibility of lodgepole pine to attack by the Warren root collar weevil.

Proper Planting Improves Performance

Growth and water potential of j-rooted loblolly and eastern white pine seedlings over three growing seasons

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