Essays about: "stem quality"

Showing result 1 - 5 of 100 essays containing the words stem quality.

  1. 1. Mängden död ved i värdekärnor i Söderåsens nationalpark

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Gustav Thurell; [2024]
    Keywords : volym död ved; stående död ved; liggande död ved; bokskog; nedbrytningsgrad; värdekärna;

    Abstract : There is a lack of knowledge about the development of the dead wood in former production beech (Fagus sylvatica) forests that have been protected. The present study has been carried out in Söderåsen National Park to compare the distribution of dead wood in relatively unaffected beech forests that have been protected for a long time (A-value cores) and older, previously managed beech forest that has only been protected for 20-30 years (B-value cores). READ MORE

  3. 2. Detection of Sclerotinia sclerotiorum in oilseed rape using Oxford Nanopore sequencing and qPCR

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Ana Guadalupe Herrera Hernandez; [2023]
    Keywords : ;

    Abstract : Sclerotinia sclerotiorum is a notorious phytopathogenic fungus and is the causal agent of the disease Sclerotinia stem rot (SSR) of rapeseed (Brassica napus). SSR is one of the main diseases affecting the yield and oil quality of rapeseed crops worldwide. READ MORE

  4. 3. Growth and quality of silver birch with different improvement levels

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Hanna Liebner; [2023]
    Keywords : Betula pendula Roth; genetic improvement; tree breeding; diameter growth; stem quality; branches quality;

    Abstract : Silver birch is the most important broadleaf tree species in the context of wood production in Fennoscandia stating 12.9% of the total volume in Sweden (Nilsson et al., 2021). READ MORE

  5. 4. Hur påverkar viltskador ett framtida granbestånd? : en studie av en försöksyta på Asa försökspark

    University essay from SLU/School for Forest Management

    Author : Daniel Ridderbjelke; Gustav Forslund; [2023]
    Keywords : viltbetning; gran; kvalitetsfel;

    Abstract : Ett omfattande problem i det svenska skogsbruket är de skador som klövviltet orsakar på ungskog. Den vanligaste uppfattningen i det svenska skogsbruket är att granen inte påverkas mycket av viltskador trots att den anses vara härdigare än exempelvis tall och vissa lövträd. READ MORE

  6. 5. A comparison of thinning programmes in European beech (Fagus sylvatica L.) based on permanent plots in Southern Sweden

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Delphine Anni Fortu; [2023]
    Keywords : beech; volume growth; diameter development; thinning programme; quality traits;

    Abstract : The present study investigated 7 thinning experiments in beech which were established in 1971. The purpose was to compare two thinning programmes with different thinning intervals. The programmes (A and B) were designed according to yield tables by Carbonnier (1971). The experimental plots have been measured regularly in 5 to 10 years intervals. READ MORE