Essays about: "plantskydd"

Showing result 6 - 7 of 7 essays containing the word plantskydd.

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

    University essay from SLU/Dept. of Entomology

    Author : Petter Öhrn; [2006]
    Keywords : hylobius abietis; snytbagge; plantskydd; metyljasmonat;

    Abstract : 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. READ MORE

  3. 7. Anlockning och gnag av snytbaggar (Hylobius sp.) : effekt av plantstorlek och behandling med metyljasmonat

    University essay from SLU/Dept. of Entomology

    Author : Nils Mitsell; [2005]
    Keywords : metyljasmonat; snytbagge; hylobius; plantskydd;

    Abstract : Two field experiments were conducted in central Sweden in order to: 1) Determine a relationship between the number of approaching pine weevils (Hylobius sp.) and the number of attacks by pine weevils, in relation to the size of seedlings of Scots pine (Pinus sylvestris). READ MORE