Browsing Planteforsk Grønn kunnskap by Author "Nyeggen, Hans"

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    • Survey of the pine wood nematode (PWN) Bursaphelenchus xylophilus in Norway 2002 

      Magnusson, Christer; Overgaard, H.; Nyeggen, Hans; Thunes, Karl H; Salinas, Solveig H.; Hammeraas, Bonsak (Grønn kunnskap e;8(104) 2004, Research report, 2004)
      In this survey of 2002, 600 samples were collected from 83 forest blocks in the counties Akershus, Buskerud, Oppland and Østfold. The sampling activity involved 16 municipallities situated mainly within the three zone sites ...

    • Survey of the pine wood nematode (PWN) Bursaphelenchus xylophilus in Norway 2003 

      Magnusson, Christer; Nyeggen, Hans; Thunes, Karl H; Salinas, Solveig H.; Hammeraas, Bonsak (Grønn kunnskap e;8(119) 2004, Research report, 2004)
      In this survey of 2003, 600 samples were collected from 96 forest blocks in the counties of Aust-Agder and Vest-Agder in southern Norway. The sampling activity involved 19 municipalities situated mainly within the two zone ...