Blar i Brage NMBU på forfatter "Hjelkrem, Anne-Grete Roer"

Viser treff 1-5 av 5

    • Are fungal epizootics a sign of successful biological control of cereal aphids? 

      Saussure, Stephanie; Hjelkrem, Anne-Grete Roer; Klingen, Ingeborg; Meadow, Richard; Holst, Niels (Peer reviewed; Journal article, 2023)
      Pandora neoaphidis is a common entomopathogenic fungus on Sitobion avenae, which is an important aphid pest on cereals in Europe. Pandora neoaphidis is known to cause epizootics (i.e. an unusually high prevalence of infected ...

    • Distribution of the Infection Time of Ascospores of Venturia inaequalis 

      Philion, Vincent; Joubert, Valentin; Trapman, Marc; Hjelkrem, Anne-Grete Roer; Stensvand, Arne (Peer reviewed; Journal article, 2019)
      In many areas where spring is wet, fungicides are applied in relation to rain events that trigger ejection of ascospores of Venturia inaequalis, which cause primary infections of apple scab. Past studies established the ...

    • Hvordan redusere risiko for mykotoksiner i korn? 

      Hofgaard, Ingerd Skow; Aamot, Heidi Udnes; Brodal, Guro; Lundon, Aina; Hjelkrem, Anne-Grete Roer; Lillemo, Morten; Strand, Einar (Journal article, 2020)
      Aksfusariose er en kornsjukdom som kan angripe alle kornarter. Sjukdommen forårsakes av sopparter innen slekta Fusarium. Ulike Fusarium-arter kan produsere en rekke forskjellige mykotoksiner (soppgifter). Grenseverdier for ...

    • Interactions between the cereal aphid pests Sitobion avenae and Rhopalosiphum padi and their fungal natural enemies 

      Saussure, Stéphanie (PhD Thesis;2019:70, Doctoral thesis, 2019)
      In agronomy, efficient plant protection strategies are required to reduce pest pressure and increase crop yield. Pesticide application has been the dominant method for plant protection for almost a century. However, the ...

    • Weather Patterns Associated with DON Levels in Norwegian Spring Oat Grain: A Functional Data Approach 

      Hjelkrem, Anne-Grete Roer; Aamot, Heidi Udnes; Lillemo, Morten; Sørensen, Espen Sannes; Brodal, Guro; Russenes, Aina Lundon; Edwards, Simon G.; Hofgaard, Ingerd Skow (Journal article; Peer reviewed, 2022)
      Fusarium graminearum is regarded as the main deoxynivalenol (DON) producer in Norwegian oats, and high levels of DON are occasionally recorded in oat grains. Weather conditions in the period around flowering are reported ...