Blar i Divisjon for skog og utmark på forfatter "Pettersson, Martin"
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Diplodia sapinea – en ny skadegjører på furu
Pettersson, Martin; Fløistad, Inger; Børja, Isabella; Hietala, Ari Mikko; Talgø, Venche (NIBIO POP;6(24) 2020, Journal article, 2020-05)Soppen Diplodia sapinea er en nylig oppdaget skadegjører på furu i Norge og andre nordiske land. Soppen kan skade både frø, småplanter og større trær. Soppen er relativt varmekjær og har tidligere stort sett gjort skade ... -
Management of seed-borne Sirococcus conigenus on Norway spruce by fungicide seed treatment
Brodal, Guro; Bye, Heidi Røsok; Høst, Eleonora; Pettersson, Martin; Fløistad, Inger; Edvardsen, Øyvind Meland; Talgø, Venche (Peer reviewed; Journal article, 2020-04)Seedling blight caused by Sirococcus conigenus was recently reported on Norway spruce (Picea abies) from Norwegian forest nurseries. The inoculum source was found to be infected seeds. In a Petri dish assay, the fungicide ... -
Postharvest needle retention in Norway spruce Christmas trees
Pettersson, Martin; Talgø, Venche; Johnskås, Odd Ragnar; Skage, Jan-Ole; Torp, Torfinn; Fløistad, Inger (Peer reviewed; Journal article, 2020-07-22)Norway spruce (Picea abies) is a widely used Christmas tree species in the Nordic countries. Postharvest needle retention is an important characteristic for Christmas trees and compared to many fir (Abies) species, Norway ...