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- Chen, Zhi-Qiang; Lundén, Karl; Karlsson, Bo; Vos, Ingrid; Olson, Åke; Lundqvist, Sven-Olof; Stenlid, Jan; Wu, Harry X.; García Gil, María Rosario; Elfstrand, Malin
- European journal of forest research 2018 v.137 no.4 pp. 517-525
- Heterobasidion; Picea abies; decayed wood; disease resistance; early selection; fiber quality; fungal growth; fungi; genetic correlation; genetic improvement; genetic variation; greenhouses; heritability; modulus of elasticity; open pollination; phenotypic variation; phloem; progeny; sapwood; sawing; seedlings; trees; wood density; wood quality
- ... Infections with Heterobasidion parviporum devalue the Norway spruce timber as the decayed wood does not meet the necessary quality requirements for sawing. To evaluate the incorporation of disease resistance in the Norway spruce breeding strategy, an inoculation experiment with H. parviporum on 2-year-old progenies of 466 open-pollinated families was conducted under greenhouse (nursery) conditions ...
- Hallingbäck, Henrik R.; Högberg, Karl-Anders; Säll, Harald; Lindeberg, Johan; Johansson, Marie; Jansson, Gunnar
- European journal of forest research 2018 v.137 no.4 pp. 553-564
- Picea abies; bark; bending strength; breeding; genetic correlation; genetic improvement; growth rings; modulus of elasticity; modulus of rupture; natural selection; progeny; sawing; sawlogs; tree age; trees; wood density; Sweden
- ... In breeding Norway spruce, selection for improved growth and survival is performed at age 10–15 years in order to optimize genetic gain per year. We investigated whether a selection based on wood traits such as density and grain angle, measured under bark in the field at the same age would be informative enough with respect to structural quality traits of sawn boards. To achieve this objective, a ...