Sökning: "Petter Öhrn"

Hittade 1 uppsats innehållade orden Petter Öhrn.

  1. 1. Effekten av metyljasmonat som skydd mot gnag av snytbagge (Hylobius abietis) på gran- och tallplantor

    L3-uppsats, SLU/Dept. of Entomology

    Författare :Petter Öhrn; [2006]
    Nyckelord :hylobius abietis; snytbagge; plantskydd; metyljasmonat;

    Sammanfattning : The effect of methyl jasmonate on resistance against the large pine weevil (Hylobius abietis) in Scots pine and Norway spruce seedlings. A field experiment was conducted in order to determine the dose-response effects of methyl jasmonate (MJ) on growth and defence to pine weevils in Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) and to compare the effect of MJ between pine and spruce. LÄS MER