2017
DOI: 10.14214/sf.1714
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Effect of deployment-type on stem growth, biomass partitioning and crown characteristics of juvenile Sitka spruce clones

Abstract: Highlights• Deployment × clone interactions reduced tree height and diameter growth in mixed plots for one clone • Height and diameter heterogeneity was significantly greater in mixed plots • Deployment-type significantly altered relationships between crown variables and competition was more asymmetric in mixed plots compared to monoclonal. AbstractCompetitive interactions in clonal forestry are not well understood and this needs to be addressed to develop better deployment strategies. Eight juvenile Sitka spr… Show more

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Cited by 2 publications
(3 citation statements)
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“…Clones are deployed mainly in two forms: intimate multiclonal mixtures or mosaics of small monoclonal blocks (or rows) (Kleinschmit et al, 1993;Roberds & Bishir, 1997;Burdon & Aimers-Halliday, 2006). While multiclonal mixtures may be more effective in averting the risks of plantation failure or pest and disease damages than monoclonal mosaics, such strategy has been conversely attributed to possible undesirable heterogeneity in stem growth, asymmetry in competitive interactions, and incompatibility in silvicultural interventions among the clones (Burdon & Aimers-Halliday, 2006;Donnelly et al, 2017).…”
Section: Missing Genetic Variation In (Tropical) Plantation Forestry ...mentioning
confidence: 99%
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“…Clones are deployed mainly in two forms: intimate multiclonal mixtures or mosaics of small monoclonal blocks (or rows) (Kleinschmit et al, 1993;Roberds & Bishir, 1997;Burdon & Aimers-Halliday, 2006). While multiclonal mixtures may be more effective in averting the risks of plantation failure or pest and disease damages than monoclonal mosaics, such strategy has been conversely attributed to possible undesirable heterogeneity in stem growth, asymmetry in competitive interactions, and incompatibility in silvicultural interventions among the clones (Burdon & Aimers-Halliday, 2006;Donnelly et al, 2017).…”
Section: Missing Genetic Variation In (Tropical) Plantation Forestry ...mentioning
confidence: 99%
“…Although it is said not to significantly affect plantation stand productivity (Donnelly et al, 2017), the monoclonal mosaics/blocks pattern is mostly adopted in largescale industrial clonal plantations of teak and eucalypts, for instance (Zobel & Talbert, 1984;Monteuuis, 2021). The size of the monoclonal mosaics is typically dependent on some factors: "the total number of clones deployed, their genetic relatedness, their individual phenotypic characteristics, the rotation length and the total area to be planted" (Monteuuis, 2021).…”
Section: Missing Genetic Variation In (Tropical) Plantation Forestry ...mentioning
confidence: 99%
“…Este punto es de interés para los productores y es importante tenerlo en cuenta al momento de proponer alternativas al sistema forestal convencional. Al respecto, puede suceder que la producción total de los rodales multiclonales o clonales mixtos sea principalmente aportada por pocos genotipos, y que otros árboles tengan menor tamaño y se produzcan rodales altamente heterogéneos (Sharma et al, 2008;Donnelly et al, 2017). Debido a esto es deseable que la propuesta de plantaciones clonales mixtas busque realizar una mezcla direccionada de clones para tener rodales homogéneos desde el punto de vista del tamaño individual de los árboles, pero con variabilidad en el funcionamiento fisiológico y las características morfológicas de estos individuos.…”
Section: -Plantaciones Clonales Mixtas Como Alternativaunclassified