Blar i NIBIO Brage på forfatter "Solhaug, Knut Asbjørn"
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Effect of Rhizome Fragmentation, Clover Competition, Shoot-Cutting Frequency, and Cutting Height on Quackgrass (Elymus repens)
Kolberg, Dorothée; Brandsæter, Lars Olav; Bergkvist, Göran; Solhaug, Knut Asbjørn; Melander, Bo; Ringselle, Björn (Journal article; Peer reviewed, 2017-10-17)Quackgrass is a problematic agricultural weed in the temperate zones of the world and is difficult to control without herbicides or intensive tillage. However, it may be possible to control quackgrass with less environmental ... -
Functional characterization of Pseudoidium neolycopersici photolyase reveals mechanisms behind the efficacy of nighttime UV on powdery mildew suppression
Pathak, Ranjana; Ergon, Åshild; Stensvand, Arne; Gislerød, Hans Ragnar; Solhaug, Knut Asbjørn; Cadle-Davidson, Lance; Suthaparan, Aruppillai (Peer reviewed; Journal article, 2020-05-29)Powdery mildews can be controlled by brief exposure to ultraviolet (UV) radiation with devastating effect on their developmental stages including conidia germination. The treatment effect can be impaired by subsequent ... -
Functional growth analysis of ‘Sonata’ strawberry plants grown under controlled temperature and daylength conditions
Sønsteby, Anita; Solhaug, Knut Asbjørn; Heide, Ola M. (Journal article; Peer reviewed, 2016-08-17)In order to investigate the relationship between environmental conditions and vegetative growth and reproductive development in the strawberry, freshly rooted runner plants of the cultivar ‘Sonata’ were grown in a phytotron ... -
Hot water and cutting for control of Impatiens glandulifera
Oliver, Benedikte Watne; Berge, Therese W.; Solhaug, Knut Asbjørn; Fløistad, Inger (Peer reviewed; Journal article, 2020-03-31)Ornamental jewelweed (Impatiens glandulifera Royle) is an alien invasive plant in Europe. This annual plant often grows in riparian habitats where herbicides are prohibited. Several studies have reported the negative effect ... -
Kairomone-assisted trap cropping for protecting spring oilseed rape (Brassica napus) from pollen beetles (Coleoptera: Nitidulidae)
Thöming, Gunda; Solhaug, Knut Asbjørn; Norli, Hans Ragnar (Peer reviewed; Journal article, 2020-04-30)BACKGROUND Pollen beetles are key pests in oilseed rape (OSR) production. These beetles use visual and olfactory cues to locate their host plants at specific phenological stages, hence trap cropping may represent an ... -
Phototactic response of Frankliniella occidentalis to sticky traps with blue light emitting diodes in herb and Alstroemeria greenhouses
Johansen, Nina S; Torp, Torfinn; Solhaug, Knut Asbjørn (Journal article; Peer reviewed, 2018-08-24)Blue and yellow sticky traps equipped with blue light emitting diodes (LEDs) were evaluated for their attractiveness to the western flower thrips (Frankliniella occidentalis Pergande) and compared to similar traps without ...