Essays about: "tree species trials"

Showing result 11 - 15 of 18 essays containing the words tree species trials.

  1. 11. Modelling growth of genetically improved Norway spruce

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Pauls Zeltins; [2017]
    Keywords : growth function; genetic gain; height increment; DSS; plantation; young forest stand;

    Abstract : In Latvia, Norway spruce Picea abies (L.) Karst. is a common forest tree species. It is often regenerated with planting, mostly using genetically improved stock. READ MORE

  3. 12. Performance of susceptible and tolerant juvenile Fraxinus excelsior infected by Hymenoscyphus fraxineus, the invasive pathogen causing ash dieback

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Axelina Jonsson; [2017]
    Keywords : ash dieback; Fraxinus excelsior; Hymenoscyphus fraxineus; disease tolerance; heritability;

    Abstract : European ash (Fraxinus excelsior), a tree species with both economic and ecological importance, has experienced a steady population decline in Europe since the early 1990’s due to ash dieback, caused by the pathogen Hymenoscyphus fraxineus. In 2001, the first observations of ash dieback were made in Sweden and by 2010, ash had become a red-listed species. READ MORE

  4. 13. Tillväxt, överlevnad och skador för provenienser av Banksianatall (Pinus banksiana, Lamb.) i norra Sverige

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Adam Klingberg; [2015]
    Keywords : trädslagsförsök; latitudförflyttning; främmande trädslag; produktionsjämförelse; odlingsvärde; tree species trials; latitude transfer; exotic tree species; production comparison; cultivation value;

    Abstract : Främmande trädslag har i modern tid intresserat skogsbruket i sin jakt på ökad produktion, minskad känslighet för skador, förbättrad anpassning med mera. Ett tidigare oprövat trädslag var banksianatallen (Pinus banksiana, Lamb. READ MORE

  5. 14. Management of young teak plantations in Panama - effect of pruning and thinning

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : María Inés León Radío; Daiana Martín Delgado; [2014]
    Keywords : teak; Panama; Tectona grandis; pruning; thinning; productivity; quality timber;

    Abstract : On high quality wood species, thinning and pruning are compulsory management that must be done not only in early stages but also often during later development of the plantation in order to improve wood quality and growth of individual high-quality trees. In this thesis two trials were carried out to determine the adequate intensities of first thinning and pruning in a teak plantation in order to find the optimum early management to reach the best growth in yield and quality terms. READ MORE

  6. 15. Lämpliga hybridaspkloner för odling i södra och mellersta Norrland

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Erik Söderholm; [2012]
    Keywords : Populus tremula L.; Populus tremuloides Mich. ; urvalsvinst; tillväxt ; överlevnad; klon ; urval; genetic gain; growth; survival; clone; selection;

    Abstract : Hybridasp (Populus x wettsteinii) är en snabbväxande hybrid mellan europeisk asp (Populus tremula L.) och nordamerikansk asp (Populus tremuloides Mich.). Det finns svenskt hybridaspmaterial framtaget för odling i Götaland men inte för övriga delar av Sverige. READ MORE