Sökning: "Can Winter"

Visar resultat 1 - 5 av 1008 uppsatser innehållade orden Can Winter.

  1. 1. Analysis of winter wheat and leafhoppers for wheat dwarf virus : factors causing outbreaks of wheat dwarf disease

    Uppsats för yrkesexamina på avancerad nivå, SLU/Department of Plant Biology (from 140101)

    Författare :Lina Karm Togo; [2024]
    Nyckelord :Sweden; Psammotettix alienus; DAS-ELISA; cloning; sequencing; BLASTn; BLASTx; MEGA; SDT;

    Sammanfattning : Wheat dwarf disease is caused by wheat dwarf virus (WDV) and is transmitted by the leafhopper Psammotettix alienus. The disease has been reported in many European countries, as well as in West Asia, China, and one country in North Africa. LÄS MER

  3. 2. Winter wheat exudates : Improving wheats resilience to drought

    Master-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Freja Haverland; [2024]
    Nyckelord :drought; PGPR; exudates; agriculture; food security;

    Sammanfattning : Wheat (Triticum aestivum) is a crop that dominates the diets of about 35% of the world's human population. But wheat yields can be severely affected by drought. Therefore, in this experiment, root exudation of winter wheat was compared to find out how exudation changes during drought stress. LÄS MER

  4. 3. Finland som underrättelsemål eller vän : C-byråns underrättelseverksamhet i Finland under andra världskriget

    Kandidat-uppsats, Försvarshögskolan

    Författare :Lukas Boman; [2024]
    Nyckelord :Intelligence; intelligence gathering; intelligence cooperation; Swedish-Finnish relations; C-byrån; Underrättelse; Underrättelseinhämtning; Underrättelsesamarbete; Svenskfinska relationer;

    Sammanfattning : Intelligence organizations and their operations are by their nature secretive and wantto continue as such. This problematizes research around them and especiallyintelligence cooperation with other countries can be considered among the most secretparts of an intelligence organization. LÄS MER

  5. 4. Greenhouse gas emissions from peat soil thawing in spring : a comparison between fertilized and unfertilized soil

    Master-uppsats, SLU/Dept. of Soil and Environment

    Författare :Fanny Otterlin Karlsson; [2024]
    Nyckelord :agricultural soil; carbon dioxide; freeze-thaw cycles; nitrous oxide; soil temperature; water content;

    Sammanfattning : Peat soils drained for agriculture and forestry contribute to a significant amount of greenhouse gas emissions. Nitrous oxide is a greenhouse gas with high warming potential and agriculture in general accounts for about 70 % of nitrous oxide emissions. LÄS MER

  7. 5. Friktionsegenskaper hos snö och is

    Uppsats för yrkesexamina på grundnivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Axel Ohrmér; [2024]
    Nyckelord :Friction; Friktion;

    Sammanfattning : Every year in the Nordic countries we are affected by winter road conditions. The roadsbecome unpredictable and many traffic accidents occur. This report aims to study thefriction on snow and ice and see how it is affected by different temperatures and surfaces. LÄS MER