Sökning: "Picea abies"

Visar resultat 1 - 5 av 121 avhandlingar innehållade orden Picea abies.

  1. 1. Analysis of Two Transcriptional Regulators that Affect Meristem Function Arabidopsis thaliana TERMINAL FLOWER2 and Picea abies APETELA2

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Lars Nilsson; Uppsala universitet.; [2007]
    Nyckelord :Developmental biology; Arabidopsis thaliana; Picea abies; gene regulation; development; meristem; Utvecklingsbiologi;

    Sammanfattning : The aerial plant body is derived from undifferentiated cells in the shoot apical meristem that in Arabidopsis thaliana is active throughout the plant life cycle. Upon transition to flowering the activity of the meristem is altered and the meristem starts to produce secondary inflorescences and floral meristems instead of leaves. LÄS MER

  2. 2. The Late Holocene history of beech Fagus sylvatica and Norway spruce Picea abies at stand-scale in southern Sweden

    Detta är en avhandling från Quaternary Sciences, Department of Geology, Lund University

    Författare :Leif Björkman; Lunds universitet.; Lund University.; [1996]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Geology; physical geography; south Sweden; Late Holocene; succession; disturbance; forest history; forest continuity; population dynamics; immigration; palaeoecology; pollen analysis; Fagus sylvatica; Picea abies; Geologi; fysisk geografi; Palaeobotany; phylogeny; palynology; Paleobotanik; fylogeni; palynologi;

    Sammanfattning : High resolution pollen analysis was carried out on five peat profiles from small forest hollows at four sites in southern Sweden. The general aim was to investigate the establishment of Fagus sylvatica and Picea abies at stand-scale. LÄS MER

  3. 3. Composition of lignin in outer cell-wall layers

    Detta är en avhandling från Stockholm : KTH

    Författare :Maria Christiernin; KTH.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Lignin; thioacidolysis; primary wall; middle lamella; Populus balsamifera; Populus tremula L. x P. tremuloides Michx.; Picea abies; Picea glauca; TECHNOLOGY Chemical engineering Chemical process and manufacturing engineering Cellulose and paper engineering; TEKNIKVETENSKAP Kemiteknik Kemisk process- och produktionsteknik Cellulosa- och pappersteknik;

    Sammanfattning : The composition of lignin in the outer cell-wall layers of spruce and poplar has been studied and the data obtained have been compared with those of the mature reference wood in which the secondary cell wall predominates. Materials with exclusively or predominantly outer cell-wall layers were examined. LÄS MER

  4. 4. Aquaporin homologues in Norway spruce (Picea abies)

    Detta är en avhandling från Stockholm : Botaniska institutionen

    Författare :Peter Oliviusson; Stockholms universitet.; [1999]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Biology Organism biology Plant physiology; NATURVETENSKAP Biologi Organismbiologi Växtfysiologi; växtfysiologi; Plant Physiology;

    Sammanfattning : The recent discovery of aquaporins - proteins that mediate bidirectional passage of water over membranes - provides a molecular basis for the underlying processes in plant water relations. In plants, aquaporins are found in plasma membranes and in vacuolar membranes (tonoplasts) and are suggested to participate in dynamic operations such as cell elongation, osmotic regulation, and long-distance transport. LÄS MER

  5. 5. Genetic Control of Annual Growth Rhythm in the Conifer Norway Spruce (Picea Abies L. Karst)

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Anna Karlgren; Uppsala universitet.; [2013]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; bud set; circadian clock; Picea abies; growth cessation; phosphatidyl ethanolamine-binding protein PEBP genes; Biologi med inriktning mot evolutionär funktionsgenomik; Biology with specialization in Evolutionary Functional Genomics;

    Sammanfattning : Norway spruce (Picea abies L. Karst) is a conifer belonging to the group gymnosperms and is an ecologically and economically important species in several parts of Europe. LÄS MER