Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
1998
Forfattere
Forde Fjærtoft Birger Eikenes Per Otto Flæte Olav Albert HøibøRedaktører
Bjørn LangerudSammendrag
Det er ikke registrert sammendrag
Forfattere
Frode Fjærtoft Birger Eikenes Per Otto Flæte Olav Albert HøibøSammendrag
Det er ikke registrert sammendrag
Forfattere
Carl-Einar Amundsen B. Solberg Geir TveitiSammendrag
Det er ikke registrert sammendrag
Sammendrag
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Sammendrag
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Forfattere
Tore SkrøppaSammendrag
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Forfattere
Øystein Johnsen Bjørn Langerud Tone Skretting Torild Wickstrøm Gro Wollebæk Gro BehrensSammendrag
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Forfattere
T. HofsvangSammendrag
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Forfattere
Franck Brignolas François Lieutier Daniel Sauvard Erik Christiansen Alan A. BerrymanSammendrag
Changes in phloem phenolic content of Norway spruce (Picea abies (L.) Karst.) clones were followed during the first 12 days of the reaction induced by phloem artificial inoculation with Ceratocystis polonica Siem., a bark beetle (Ips typographus L.) associated fungus. The aim was to confirm our previous results concerning the mechanisms of this reaction and the possible predictors of Norway spruce resistance to bark beetles and their associated fungi. The induced reaction was characterized by a slight decrease of tanning ability and an increase of ()-catechin concentration, which confirmed our previous observations. The relative resistance of the clones was first predicted using the predictors previously proposed. In addition, the first axis of the principal component analysis describing the phenolic content of all clones was used as a synthetic predictor (resistance axis). Related variables were also tested as predictors. Actual resistance of each clone was then measured, using mass inoculations of C. polonica, and was compared with the predictions. Four predictors were so validated: the resistance axis, tanning ability and isorhapontin concentration in uninoculated phloem, and ()-catechin concentration in the phloem 6 days after its inoculation. Phloem phenolic composition could thus be used to predict Norway spruce resistance to bark beetles and their associated fungi.
Forfattere
Tong ZhuSammendrag
Det er ikke registrert sammendrag