Browsing Brage NMBU by Author "Krokene, Paal"
Now showing items 1-20 of 26
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Effect of seed treatment with putative defence priming chemicals on defence-related gene expression and pathogen resistance in Norway spruce (Picea abies) seedlings
Devos, Claire Celine (Master thesis, 2020)Chemical seed treatment may be a simple method to protect conifer seedlings from pests and pathogens in plant nurseries and forest stands. In this study, I tested the ability of eight putative defence priming chemicals ... -
Effekter av metyl-jasmonat på frøanatomi og terpenkonsentrasjoner i små granplanter
Bryhn, Konrad Skåravik (Master thesis, 2019)Gransnutebillen (Hylobius abietis) er en stor skadegjører i plantefelt med gran (Picea abies), og i internasjonal sammenheng gjør den skade for millioner av euro hvert år. Samtidig har giftige insekticider, tidligere brukt ... -
Epitype-inducing temperatures drive DNA methylation changes during somatic embryogenesis in the long-lived gymnosperm Norway spruce
Viejo, Marcos; Tengs, Torstein; Yakovlev, Igor; Cross, Hugh; Krokene, Paal; Olsen, Jorunn Elisabeth; Fossdal, Carl Gunnar (Peer reviewed; Journal article, 2023)An epigenetic memory of the temperature sum experienced during embryogenesis is part of the climatic adaptation strategy of the long-lived gymnosperm Norway spruce. This memory has a lasting effect on the timing of bud ... -
Fungal Interactions and Host Tree Preferences in the Spruce Bark Beetle Ips typographus
Tanin, Sifat Munim; Kandasamy, Dineshkumar; Krokene, Paal (Peer reviewed; Journal article, 2021)The spruce bark beetle Ips typographus is the most damaging pest in European spruce forests and has caused great ecological and economic disturbances in recent years. Although native to Eurasia, I. typographus has been ... -
Granbarkbillen. Registrering av bestandsstørrelsene i 2008
Økland, Bjørn; Christiansen, Erik; Wollebæk, Gro; Krokene, Paal (Oppdragsrapport fra Skog og Landskap, Research report, 2008)Økningen i barkbillebestandene siden 2002 fortsetter. Alle fylker unntatt ett viser oppgang i 2008; og noen fylker på Østlandet har nær en fordobling fra fjoråret. Økningen settes i sammenheng med de varme somrene, hvor ... -
Impacts of abiotic stress on priming of defense responses and pathogen resistance in Norway spruce
Hansen, Hristo Petrov (Master thesis, 2020)Norway spruce (Picea abies) is one of the most important tree species in Norway due to its high economic and ecological significance in forests. Pathogens, fungi and insects may have detrimental impacts on Norway spruce ... -
Impacts of climate change on the boreal forest ecosystem. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered species (CITES) of the Norwegian Scientific Committee for Food and Environment
Kausrud, Kyrre Linné; Vandvik, Vigdis; Flø, Daniel; Geange, Sonya Rita; Hegland, Stein Joar; Hermansen, Jo Skeie; Hole, Lars Robert; Ims, Rolf Anker; Kauserud, Håvard; Kirkendall, Lawrence Richard; Nordén, Jenni; Nybakken, Line; Ohlson, Mikael; Skarpaas, Olav; Wendell, Micael; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Krokene, Paal; Järnegren, Johanna; Måren, Inger Elisabeth; Nielsen, Anders; Nilsen, Erlend Birkeland; Rueness, Eli Knispel; Thorstad, Eva Bonsak; Velle, Gaute (Journal article; Peer reviewed, 2022) -
Importation of roughage to Norway - Implications for plant and animal health, zoonoses, and biodiversity. Opinion of the scientific committee of the Norwegian Scientific Committee for Food and Enviroment
Nesbakken, Truls; Steinshamn, Håvard; Thomsen, Iben Margrete; Basic, Dean; Klem, Thea B. Blystad; Gifstad, Tron Øystein; Kausrud, Kyrre Linné; Melby, Kjetil Klaveness; Kirkendall, Lawrence Richard; Magnusson, Christer; Måren, Inger Elisabeth; Nicolaisen, Mogens; Randby, Åshild Taksdal; Stokstad, Maria; Yazdankhah, Siamak Pour; Wendell, Per Hans Micael; Agdestein, Angelika; de Boer, Hugo; Godfroid, Jacques Xavier Leon; Jore, Solveig; Krokene, Paal; Nesse, Live Lingaas; Madslien, Knut; Møretrø, Trond; Velle, Gaute (VKM report;2022:02, Peer reviewed; Journal article, 2022) -
Invasion potential and host suitability for selected bark- and wood-boring insect pests
Flø, Daniel (PhD Thesis;2016:72, Doctoral thesis, 2016)Introduction of nonnative species is often a by-product of increasing global trade. Some nonnative species may reach extremely high population densities, deplete resources and cause extensive economic and ecological damage ... -
Klimaendringer og virkninger på hovedøkosystem skog.
Kausrud, Kyrre; Vandvik, Vigdis; Flø, Daniel; Geange, Sonya Rita; Hegland, Stein Joar; Hermansen, Jo Skeie; Hole, Lars Robert; Ims, Rolf Anker; Kauserud, Håvard; Kirkendall, Lawrence R.; Nordén, Jenni; Nybakken, Line; Ohlson, Mikael; Skarpaas, Olav; Wendell, Micael; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Järnegren, Johanna; Krokene, Paal; Måren, Inger Elisabeth; Nielsen, Anders; Nilsen, Erlend Birkeland; Rueness, Eli Knispel; Thorstad, Eva Bonsak; Velle, Gaute (VKM Report;2022:15, Research report, 2022) -
Molecular underpinnings of methyl jasmonate‐induced resistance in Norway spruce
Magerøy, Melissa; Wilkinson, Samuel W.; Tengs, Torstein; Cross, Hugh; Almvik, Marit; Petriacq, Pierre; Vivian-Smith, Adam; Zhao, Tao; Fossdal, Carl Gunnar; Krokene, Paal (Peer reviewed; Journal article, 2020)In response to various stimuli, plants acquire resistance against pests and/or pathogens. Such acquired or induced resistance allows plants to rapidly adapt to their environment. Spraying the bark of mature Norway spruce ... -
Priming of inducible defenses in Norway spruce : effects of putative defense priming chemicals on tree resistance against the bluestain fungus Grosmannia penicillata and insights into the underlying mechanisms
Huynh, Ngan Bao (Master thesis, 2021)Priming of inducible defenses in Norway spruce could be a cost-effective strategy to protect trees from herbivores and pathogens. In this study, my aim was to identify chemical priming agents that can increase the resistance ... -
Risk assessment of Psychrobacter sp. as plant protection product - Nemaslug
Boahene, Nana Yaa; Frostegård, Åsa Helena; Magnusson, Christer; Melby, Kjetil Klaveness; Yazdankhah, Siamak Pour; Alsanius, Beatrix; Børve, Jorunn; Krokene, Paal; Nicolaisen, Mogens; Nybakken, Line; Stenberg, Johan A.; Thomsen, Iben Margrete; Wright, Sandra A.I.; Sæthre, May-Guri (Others, 2024)Helse- og miljørisiko ved bruk av bakterien Psychrobacter sp. i plantevernmiddelet Nemaslug® Helserisikoen for mennesker ved bruk av Nemaslug® anses som lav, men man kan ikke utelukke risiko for svært infeksjonsutsatte ... -
Risk assessment of six commercial mycorrhizal products. Opinion of the Panel on Plant Health of the Norwegian Scientific Committee for Food and Environment
Thomsen, Iben M.; Kauserud, Håvard; Krokene, Paal; Nicolaisen, Mogens; Wendell, Per Hans Micael; Alsanius, Beatrix; Magnusson, Christer; Stenberg, Johan A. (Peer reviewed; Journal article, 2020) -
Risk assessment of the biocontrol product Nemaslug 2.0 with the active organisms Phasmarhabditis californica (strain P19D) and Moraxella osloensis
Stenberg, Johan A.; Melby, Kjetil K.; Magnusson, Christer; Nielsen, Anders; Rydning, Julie; Wendell, Micael; Alsanius, Beatrix; Krokene, Paal; Nicolaisen, Mogens; Thomsen, Iben M.; Wright, Sandra A.I.; Rafoss, Trond (VKM Report;2021:16, Journal article; Peer reviewed, 2021) -
Risk assessment of the biocontrol product Nemaslug 2.0 with the active organisms Phasmarhabditis californica (strain P19D) and Moraxella osloensis. Scientific Opinion of the Panel on Plant Health of the Norwegian Scientific Committee for Food and Environment
Stenberg, Johan; Melby, Kjetil Klaveness; Magnusson, Christer; Nielsen, Anders; Rydning, Julie; Wendell, Per Hans Micael; Alsanius, Beatrix; Krokene, Paal; Thomsen, Iben Margrete; Wright, Sandra A.I.; Rafoss, Trond (Journal article; Peer reviewed, 2021) -
Risk assessment of the biological control agent ANDERcontrol with the organism Amblyseius andersoni. Scientific Opinion of the Panel on Plant Health of the Norwegian Scientific Committee for Food and Environment
Stenberg, Johan A.; Nielsen, Anders; Wendell, Per Hans Micael; Alsanius, Beatrix; Krokene, Paal; Magnusson, Christer; Nicolaisen, Mogens; Thomsen, Iben Margrete; Wright, Sandra; Rafoss, Trond (VKM Report;2020:04, Research report, 2020) -
Risk assessment of the biological control product Limonica with the organism Amblydromalus limonicus Garman and McGregor. Scientific Opinion of the Panel on Plant Health of the Norwegian Scientific Committee for Food and Environment
Nielsen, Anders; Stenberg, Johan A.; Wendell, Per Hans Micael; Alsanius, Beatrix; Krokene, Paal; Magnusson, Christer; Nicolaisen, Mogens; Thomsen, Iben Margrete (Peer reviewed; Journal article, 2020) -
Risks to Norwegian plant health posed by import of plants with soil or other growing media from Europe
Krokene, Paal; Alsanius, Beatrix; Børve, Jorunn; Flø, Daniel; Hatteland, Bjørn Arild; Joner, Erik; Kirkendall, Lawrence Richard; Magnusson, Christer; Nicolaisen, Mogens; Nybakken, Line; Stenberg, Johan; Gobena, Selamawit Tekle; Westergaard, Kristine Bakke; Wright, Sandra A.I. (Journal article; Peer reviewed, 2024) -
Successful reproduction and pheromone production by the spruce bark beetle in evolutionary naïve spruce hosts with familiar terpenoid defences
Flø, Daniel; Norli, Hans Ragnar; Økland, Bjørn Inge; Krokene, Paal (Journal article; Peer reviewed, 2018)