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Dissertations / Theses on the topic 'Spruce Root'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2025

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1

Cook, Paul Andrew. "Effect of the spruce root aphid, Pachypappa vesicalis on the growth and physiology of Sitka spruce seedlings." Thesis, Lancaster University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337573.

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2

Evans, Douglas. "Soil water regime, root water extraction and the growth of fine roots of Sitka Spruce." Thesis, University of Aberdeen, 1988. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU020973.

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The effect of removing soil water stress on fine root growth and the pattern of water use was studied by irrigating a small plot (20 m x 20 m) of 40 year old Sitka spruce. A control plot was established close by. Soil water content and soil matric potential were measured independently on both plots at several depths. Root growth was measured using monthly coring for the surface horizons (c. 10 cm depth) and ingrowth cores to study rooting at depth. In the absence of irrigation the 2 plots had similar water regimes. The irrigation kept matric potential > 20 kPa and water content > 20%. Areas be

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3

Lehto, Tarja Helena. "Role of mycorrhizas in drought resistance of Sitka spruce seedlings." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/11045.

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4

Salt, David Thomas. "Effects of gaseous air pollution on root-feeding aphids of spruce." Thesis, Lancaster University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333442.

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5

Thor, Magnus. "Heterobasidion root rot in Norway spruce : modelling incidence, control efficacy and economic consequences in Swedish forestry /." Uppsala : Department of Forest Mycology and Pathology, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200505.pdf.

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6

Stattin, Eva. "Root freezing tolerance and storability of Scots pine and Norway spruce seedlings /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5639-8.pdf.

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7

Stokes, Alexia. "Responses of young trees to wind : effects on root architecture and anchorage strength." Thesis, University of York, 1994. http://etheses.whiterose.ac.uk/2438/.

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8

Sturesson, Claes. "Nondestructive testing (NDT) of Norway spruce with respect to infection by root and butt rot using ultrasound and acoustic methods." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-15753.

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9

Rönnberg, Jonas. "Incidence of root and butt rot in consecutive rotations, with emphasis on Heterobasidion annosum in Norway spruce /." Alnarp : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5630-4.pdf.

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10

Bambridge, Lorraine. "The effect of ozone and ambient pollution on the root and shoot growth of spruce." Thesis, University of Newcastle Upon Tyne, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239784.

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11

Taylor, Andrew F. S. "The structure and dynamics of a community of Ectomycorrhizas in a Sitka spruce plantation with special reference to Tylospora fibrillosa (Burt.) donk." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU088729.

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Root tip demography of a 43 year old Sitka spruce stand was determined over a two year period. A total of 35,300 root tips were examined. A total of 14 mycorrhizal and 4 non-mycorrhizal root tip types were recognised. One mycorrhizal type, formed by Tylospora fibrillosa, made up 67% of the root tips examined, the rest each made up less than 5% of the population. The level of infection was high, with c. 94% of the root tips infected with mycorrhizal fungi. There were marked short term fluctuations in the numbers and relative abundance of some of the types, as well as longer term, unidirectional

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12

Hay, Tristyn Nicole. "Long-term fertilization effects on ectomycorrhizal community structure and fine root length in interior spruce forests." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/40275.

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Ever-present on the roots of appropriate host trees, ectomycorrhizas are pivotal in the survival and productivity of trees of interior British Columbia. Although ectomycorrhizal (ECM) fungi provide access to nutrients that would otherwise be unavailable to roots, nutrient supply can still limit above ground productivity of trees. Such nutrient constraints have led to the use of fertilization as standard practice for increasing tree yields in some parts of the world. Although much research has been completed on the short-term response of ECM communities to nitrogen enrichment, almost none ha

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13

Heim, Alexander. "Chelating organic substances in roots and root exudates and their potential role in aluminium resistance of Norway Spruce (Picea abies (L.) Karst.) /." [S.l.] : [s.n.], 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13807.

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14

Krasowski, Marek J. "The development of roots and root systems in white spruce, Picea glauca (Moench) Voss, seedlings and the influence of cultural treatments on root morphology, anatomy, and the capacity to conduct water." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ37351.pdf.

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15

Kakei, Mahdi. "Effects of lime application on fine-root development of Sitka spruce (Picea sitchesis (Bougard) carrie) trees grown on deep peat soils." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295396.

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16

Püttsepp, Ülle. "Effects of sustainable management practices on fine-root systems in willow (Salix viminalis, S. dasyclados), grey alder (Alnus incana) and Norway spruce (Picea abies) stands /." Uppsala : Dept. of Ecology and Environmental Research, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s283.pdf.

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17

Holm, Boris. "Effekter av superabsorbent på granplantors överlevnad och tillväxt." Thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-33386.

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Denna studie beskriver effekterna beträffande överlevnad och tillväxt hos gran (Picea abeis L. Karst) vid tillsats av superabsorbent Luquasorb 1280R i samband med plantering under olika betingelser. Plantor i form av täckrot och barrot studerades. Tillsats av superabsorbent visade sig ha en positiv inverkan på de studerade parametrarna i jämförelse med referensmaterial utan tillsats av superabsorbent. Detta visade sig särskilt vid extremförsök under tak utan tillgång till vattentillförsel under försöksperioden, förutom vattentillsats i samband med plantering.<br>This study describes the effect

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18

Von, der Gonna Marc A. "First year performance and root egress of white spruce (Picea glauca (Moench) Voss) and lodgepole pine (Pinus contorta Dougl.) seedlings in mechanically prepared and untreated planting sport in North Central British Columbia." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27347.

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Root zone temperature and root egress were studied during the first growing season on white spruce and lodgepole pine seedlings planted in various forms of mechanically prepared microsites. Mounded microsites had higher summer soil temperatures and greater diurnal ranges, at a depth of 10 cm, than the patch and control treatments. Mounded microsites, however, showed the greatest response to changes in weather and decreasing solar radiation inputs in the fall, being the first to record soil temperatures below freezing. Seedlings planted in the deep mineral soil over inverted humus mounds creat

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19

Ferrier, R. C. "Nutrient dynamics during death and decay of fine roots and mycorrhizas of spruce." Thesis, University of Aberdeen, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372618.

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20

Gagnon, Éric. "Développement du système racinaire adventif chez des semis d'épinette noire (picea mariana (mill.) B.S.P.) en plantation /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2002. http://theses.uqac.ca.

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21

Chapman, Michael James. "Experimental determination of in-situ serviceability of Sitka spruce timber by ultrasonic non-destructive testing." Thesis, University of Ulster, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370087.

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22

Villeneuve, Chantal. "Influence de la présence de racines adventives et du continu en eau du substrat sur l'échange gazeux, la croissance et l'allocation glucidique chez les semis d'épinette noire (Picea mariana (Mill.) B.S.P.) /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1997. http://theses.uqac.ca.

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23

Hollstein, R. W. M. "The dependence of mycorrhrizae in Sitka spruce roots, on the availability of phosphorus in serpentine and basaltic soils." Thesis, University of Aberdeen, 1986. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU006854.

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The nature and occurrence of mycorrhizal associations, with particular reference to the anatomy, carbohydrate physiology, plant mineral nutrition and occurrence of ectomycorrhizae (ECM), is discussed. The ecology and forest relations of <i>Picea sitchensis</i> - the Sitka spruce concludes the literature review. Identification of areas of good and poor Sitka growth on related soils and the quantification of their ECM status, investigation of the effect of phosphate addition to Sitka seedlings in pots, subsequent and changes to their ECM status, and the effects of soluble aluminium on phosphate

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24

Rudzevičius, Ramūnas. "Eglynų branduolio puvinio tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050607_150939-81019.

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In the master‘s task there is examined the spurce, touched dy nucleus rot, uotspread in places of vegetation and i nage of types. The task of the object is VĮ Sakiu forest enterprise‘s deforestations. The aims of the task are: 1. the outspread regularities of spurce, touched by nucleus rot. 2. the economical losing due to tha spurce, tuoched by nucleus rot. 3. wind in-service damage in Sakiu forest deforestations. The methods of the task are: -the outspread regularities of spurce, touched by nucleus rot, to the sorts of deforestations in VI – IX centuries. The grow in Lb, Lc, Ld, Nc and

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25

Aubin, Normand Kevin. "Influence du contenu en eau du substrat et de la profondeur de plantation sur la formation de racines adventives caulinaires, la croissance et l'allocation glucidique de semis d'épinette noire (Picea mariana (Mill.) B.S.P.) /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1996. http://theses.uqac.ca.

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26

Yaakoubd, Bouchra. "Relations hydriques et formation des racines adventives caulinaires chez des semis d'épinette noire (Picea mariana (Mill.) B.S.P.) /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1997. http://theses.uqac.ca.

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27

Kaufmann, Caroline. "Zur Semantik der Farbadjektive rosa, pink und rot." Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-63264.

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28

Gerlach, Martin [Verfasser], Jan-Michael [Akademischer Betreuer] Rost, Roland [Akademischer Betreuer] Ketzmerick, and Alvaro [Akademischer Betreuer] Corral. "Universality and variability in the statistics of data with fat-tailed distributions: the case of word frequencies in natural languages / Martin Gerlach. Betreuer: Jan-Michael Rost. Gutachter: Jan-Michael Rost ; Roland Ketzmerick ; Alvaro Corral." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://d-nb.info/1093412399/34.

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29

Walsh, Denis. "Gauchissement de la tige et croissance de semis de conifère traités à l'éthylène et soumis à l'anaérobiose racinaire /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1993. http://theses.uqac.ca.

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30

Lamontagne, Manuel. "Influence du gauchissement de la tige de l'épinette noire (Picea mariana (mill.) BSP) sur le redressement de la tige et la croissance des plants de plus d'un an /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1993. http://theses.uqac.ca.

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31

Baldwin, Quentin F. "Effects of prescribed burning upon mycorrhizal fungal diversity inhabiting the roots of two and a half-year old black spruce (Picea mariana) : molecular characterization of ectomycorrhizal fungi via PCR/RFLP analysis /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ42348.pdf.

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32

Lehringer, Christian [Verfasser], Klaus [Akademischer Betreuer] Richter, Holger [Akademischer Betreuer] Militz, and Ernst A. [Akademischer Betreuer] Wimmer. "Permeability improvement of Norway spruce wood with the white rot fungus Physisporinus vitreus / Christian Lehringer. Gutachter: Holger Militz ; Ernst A. Wimmer. Betreuer: Klaus Richter." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2011. http://d-nb.info/104399338X/34.

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33

Liu, Yuan [Verfasser], Barbara [Akademischer Betreuer] Reinhold-Hurek, and Uwe [Akademischer Betreuer] Nehls. "Study on the major diazotrophs associated with Norway spruce (Picea abies L. Karst) roots / Yuan Liu. Gutachter: Barbara Reinhold-Hurek ; Uwe Nehls. Betreuer: Barbara Reinhold-Hurek." Bremen : Staats- und Universitätsbibliothek Bremen, 2011. http://d-nb.info/1071897926/34.

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34

Godvod, Kšištof. "Paprastosios eglės (Picea abies (L.) H. Karst.) puvinio paplitimo modeliavimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_143801-34956.

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Darbo objektas - įvairaus amžiaus centrinio puvinio pažeisti eglės medžiai, kurie auga skirtinguose našumo rajonuose. Darbo tikslas – centrinio puvinio paplitimo tipinėse paprastosios eglės augavietėse (Nc, Nd, Lb, Lc, Ld) vertinimo garsiniu tomografu ARBOTOM 3D galimybių tyrimas. Darbo metodai – duomenys apie puvinio išplitimą rinkti naudojant garsinį tomografą Arbotom 3D. Surinkti duomenys apdoroti naudojant MS Excel, Statistica ir Arbotom programas. Atliekant tyrimą buvo naudoti tokie bendrieji metodai: dokumentų analizės, duomenų grupavimo, modeliavimo, loginis, palyginimo, apibendrinimo.

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35

Hardy, Sophie. "Dynamique d'installation du système racinaire de la régénération pré-établie de l'épinette noire (Picea mariana B.S.P.) après coupe /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1998. http://theses.uqac.ca.

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36

Dubé, Marie-Christine. "Effet d'une épidémie de la tordeuse des bourgeons de l'épinette sur la croissance de la tige et le développement racinaire des semis de sapin dans des sapinières boréales /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1999. http://theses.uqac.ca.

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37

Zubairov, Bulat [Verfasser], Hilmar [Gutachter] Schröder, Achim [Gutachter] Bräuning, and Karl Tilman [Gutachter] Rost. "Application of dendroclimatic methods in assessment of climate change impacts on the annual growth of Schrenk spruce in the Ile River basin, southeastern Kazakhstan / Bulat Zubairov ; Gutachter: Hilmar Schröder, Achim Bräuning, Karl Tilman Rost." Berlin : Humboldt-Universität zu Berlin, 2020. http://d-nb.info/1203623917/34.

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38

Arnstadt, Tobias. "Die Rolle oxidativer Pilzenzyme für die Totholzzersetzung und die Zersetzungsdynamik von Fagus sylvatica, Picea abies und Pinus sylvestris." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-225002.

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In Waldökosystemen ist Totholz von zentraler Bedeutung, indem es zahlreichen Organismen einen Lebensraum bietet oder als Substrat dient, Bestandteil des Kohlenstoff- und Nährstoffkreislaufs ist sowie als ein wichtiges strukturelles Element fungiert. Für seine Zersetzung ist die Überwindung der Ligninbarriere von besonderer Bedeutung. Dazu sind lediglich saprobionte Pilze aus den Phyla der Basidiomycota und Ascomycota in der Lage, die verschiedene Strategien – die Fäuletypen – entwickelt haben, um Lignin abzubauen oder zu modifizieren und somit Zugang zu den vom Lignin inkrustierten Polysachari

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39

Meyer, Ann-Carolin. "Physiologische Untersuchungen am Stamm und im Kronenraum eines Fichtenaltbestandes nach experimenteller Manipulation des Wasser- und Ionenhaushaltes (Dachprojekt Solling)." Doctoral thesis, [S.l. : s.n.], 2001. http://webdoc.sub.gwdg.de/diss/2002/meyer/meyer.pdf.

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40

Tian, Suzhong. "Effect of precommercial thinning on root development and root and butt decay incidence of red spruce and balsam fir /." 2002. http://www.library.umaine.edu/theses/theses.asp?Cmd=abstract&ID=FTY2002-003.

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41

Krasowski, Marek J. "The development of roots and root systems in white spruce (Picea Glauca [Moench] Voss) seedlings and the influence of cultural treatments on root morphology, anatomy, and the capacity to conduct water." Thesis, 1998. https://dspace.library.uvic.ca//handle/1828/8770.

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Root development in Picea glauca seedlings was studied anatomically during the first year after germination. The cyclic pattern of elongation of individual roots was established about three months after germination. With progressing development, root hairs gradually diminished and colonization of roots by mycorrhizal fungi increased. The development of primary tissues in long roots, relative to the distance from the root tip, appeared to be related to their rate of root elongation. In these roots, the development of Casparian bands in the endodermis often occurred several millimeters awa

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42

Gaul, Dirk. "The effects of climate change on fine root dynamics in a Norway spruce forest." Doctoral thesis, 2008. http://hdl.handle.net/11858/00-1735-0000-0006-B649-0.

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43

Danforth, Heather L. "Nitrogen nutrition of lodgepole pine and Sitka spruce seedlings : from whole-plant growth to individual-root ion flux." 2004. http://hdl.handle.net/1828/463.

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44

Gaul, Dirk [Verfasser]. "The effects of climate change on fine root dynamics in a Norway spruce forest / vorgelegt von Dirk Gaul." 2008. http://d-nb.info/997537116/34.

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45

Smit, Julie. "Effects of root growth and physiology on drought resistance in Douglas-fir, lodgepole pine, and white spruce seedlings." Thesis, 1993. https://dspace.library.uvic.ca//handle/1828/9656.

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Two aspects of drought resistance were investigated on wet and dry ecotypes of three conifer species: 1) the relative importance of drought avoidance and drought tolerance mechanisms in resisting drought stress was assessed on Douglas-fir (Pseudotsuga menzieseii) and lodgepole pine (Pinus contorta) seedlings, and 2) the effects of drought on root hydraulic conductance and low temperature, on root water flow rates Were assessed on first-year seedlings of Douglas-fir, lodgepole pine and white spruce (Picea glauca). To study drought avoidance, Douglas-fir and lodgepole pine seedlings were

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46

Steele, Sarah J. "Root mass, net primary production and turnover of jack pine, aspen and black spruce forests in Saskatchewan and Manitoba, Canada." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37225081.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1996.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 37-42).

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47

Chomba, Bernard Malata. "Carbon dioxide enrichment and the role of carbohydrate reserves in root growth potential of cold-stored Engelmann spruce (Picea Engelmannii Parry) seedlings." Thesis, 1992. http://hdl.handle.net/2429/3313.

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Two experiments were conducted to examine the role of carbohydrate reserves in spring root growth potential (RGP)of Engelmann spruce (Picea engelmannii Parry) seedlings. In the first experiment, the effects of pre-storage carbon dioxide enrichment (CE) on total non-structural carbohydrates (TNC) and post-storage root growth were studied. Seedlings were grown from seed for 202 days in growth chambers with ambient (340 μL•L-1) and CO2 enriched(1000 μL•L-1) air. Reciprocal transfers between treatments took place at 60 and 120 days. Photoperiod was reduced at100 days to induce bud set. After 180 d

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48

Cohen, Jenny Micheal. "Paleoethnobotany of Kilgii Gwaay: a 10,700 year old Ancestral Haida Archaeological Wet Site." Thesis, 2014. http://hdl.handle.net/1828/5741.

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This thesis is a case study using paleoethnobotanical analysis of Kilgii Gwaay, a 10,700-year-old wet site in southern Haida Gwaii to explore the use of plants by ancestral Haida. The research investigated questions of early Holocene wood artifact technologies and other plant use before the large-scale arrival of western redcedar (Thuja plicata), a cultural keystone species for Haida in more recent times. The project relied on small-scale excavations and sampling from two main areas of the site: a hearth complex and an activity area at the edge of a paleopond. The archaeobotanical assemblage f

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49

Kronzucker, Herbert J. "Fluxes, compartmentation and metabolism of nitrate and ammonium in spruce roots." Thesis, 1995. http://hdl.handle.net/2429/4825.

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Techniques of compartmental analysis and kinetic flux analysis with the radiotracer ¹³N were employed to examine the uptake, compartmentation, and metabolism of NO₃⁻ and NH₄⁺ in roots of white spruce (Picea glauca (Moench) Voss.). Efflux analysis, conducted over 22-min periods, resolved the exchange of inorganic N with three subcellular compartments. These were (I) a root-surface film, (II) an adsorptive component of the cell wall, and (III) the root-cell cytoplasm. The identities of the compartments were tested using various approaches. Half-lives of exchange were (for NH₄⁺) ≈ 2 s, 20 s, and

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50

Lehringer, Christian. "Permeability improvement of Norway spruce wood with the white rot fungus Physisporinus vitreus." Thesis, 2011. http://hdl.handle.net/11858/00-1735-0000-0006-B144-8.

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