Browsing NIBIO Brage by Author "Brandsæter, Lars Olav"
Now showing items 1-20 of 25
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Allelopathic Potential of Teff Varieties and Effect on Weed Growth
Gebrehiwot, Haftamu Gebretsadik; Aune, Jens Bernt; Eklo, Ole Martin; Torp, Torfinn; Brandsæter, Lars Olav (Peer reviewed; Journal article, 2020-06-16)Allelopathic potential of 10 teff varieties was assessed in laboratory experimentation (conducted in NIBIO, Norway), and determined with an agar-based bioassay using ryegrass and radish as model weeds. Field experiments ... -
Alternativer til glyfosat i korn og grasmark
Tørresen, Kirsten; Brandsæter, Lars Olav; Netland, Jan; Berge, Therese W.; Ringselle, Björn; Strand, Einar (NIBIO Rapport;, Research report, 2018-09)Glyfosat er det mest brukte plantevernmidlet i Norge og på verdensbasis. Det har i de siste årene vært diskutert om dette ugrasmiddelet skulle få fornyet godkjenning. I 2017 ble glyfosat godkjent for fem nye år til 2022. ... -
The challenges of arable creeping perennial weeds in research, management and perception addressed in the joint project AC/DCweeds
Gerowitt, Bärbel; Andert, Sabine; Brandsæter, Lars Olav; Rasmussen, Jesper; Robin, Marie-Helene; Salonen, Jukka; Tørresen, Kirsten; Zhang, Han (Journal article, 2022)Creeping perennial weeds are widely distributed on arable fields. The common control practices are intensive inversion tillage and chemical herbicides. However, these methods are under pressure as they negatively affect ... -
Control of Elymus repens by rhizome fragmentation and repeated mowing in a newly established white clover sward
Bergkvist, G.; Ringselle, B.; Magnuski, E.; Mangerud, Kjell; Brandsæter, Lars Olav (Journal article; Peer reviewed, 2017-03-14)Control of perennial weeds, such as Elymus repens, generally requires herbicides or intensive tillage. Alternative methods, such as mowing and competition from subsidiary crops, provide less efficient control. Fragmenting ... -
Control of perennial weeds in spring cereals through stubble cultivation and mouldboard ploughing during autumn or spring
Brandsæter, Lars Olav; Mangerud, Kjell; Helgheim, Marit; Berge, Therese W. (Journal article; Peer reviewed, 2017-03-18)Creeping perennial weeds are of major concern in organically grown cereals. In the present study, the effects of different timing of mouldboard ploughing with or without a preceding stubble cultivation period, on weeds and ... -
Dry weight minimum in the underground storage and proliferation organs of six creeping perennial weeds
Ringselle, Björn; Oliver, Benedikte Watne; Berge, Therese W.; Fløistad, Inger; Berge, Liv; Brandsæter, Lars Olav (Peer reviewed; Journal article, 2021-05-06)Many herbaceous perennial plant species gain significant competitive advantages from their underground creeping storage and proliferation organs (CR), making them more likely to become successful weeds or invasive plants. ... -
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 ... -
Effects of renewal time, taproot cutting, ploughing practice, false seedbed and companion crop on docks (Rumex spp.) when renewing grassland
Ringselle, Björn; Berge, Therese W.; Stout, Daniel; Breland, Tor Arvid; Hatcher, Paul E.; Haugland, Espen; Koesling, Matthias; Mangerud, Kjell; Lunnan, Tor; Brandsæter, Lars Olav (Journal article; Peer reviewed, 2018-12-05)Docks (Rumex spp.) are a considerable problem in grassland production worldwide. We investigated how different cultural management techniques affected dock populations during grassland renewal: (I) renewal time, (II) ... -
Fangvekstenes økosystemtjenester – Kunnskapsstatus om effekten av fangvekster
Bøe, Frederik; Bechmann, Marianne; Øgaard, Anne Falk; Sturite, Ievina; Brandsæter, Lars Olav (NIBIO Rapport;5(9) 2019, Research report, 2019-01)Denne rapporten gir en oversikt over fangvekster og deres effekter på avling, mineralsk nitrogen ijord, karbonbinding, utslipp til vann og luft, jordstruktur, biodiversitet og ugras. Det er fortrinnsvis brukt studier fra ... -
Fangvekster, rotskjæring og alternative kjemiske midler mot ugras i korn
Tørresen, Kirsten Semb; Brandsæter, Lars Olav; Berge, Liv; Rostad, Bjørn Inge; Hansen, Truls Olve Terjesønn; Strand, Einar (Others, 2024) -
Growth pattern of Juncus effusus and Juncus conglomeratus in response to cutting frequency
Kaczmarek-Derda, Wiktoria Anna; Østrem, Liv; Myromslien, Merete; Brandsæter, Lars Olav; Netland, Jan (Journal article; Peer reviewed, 2018-07-23)Increasing abundance of Juncus effusus (soft rush) and Juncus conglomeratus (compact rush) in pastures and meadows in western Norway has caused reductions in forage yield and quality in recent decades. Understanding plant ... -
Impacts of soil moisture level and organic matter content on growth of two Juncus species and Poa pratensis grown under acid soil conditions
Kaczmarek-Derda, Wiktoria Anna; Helgheim, Marit; Netland, Jan; Riley, Hugh; Wærnhus, Kjell; Øpstad, Samson; Østrem, Liv; Brandsæter, Lars Olav (Journal article; Peer reviewed, 2019)The abundance of Juncus effusus (soft rush) and Juncus conglomeratus (compact rush) has increased in coastal grasslands in Norway over recent decades, and their spread has coincided with increased precipitation in the ... -
Influence of mechanical weeding and fertilisation on perennial weeds, fungal diseases, soil structure and crop yield in organic spring cereals
Brandsæter, Lars Olav; Mangerud, Kjell; Andersson, Lars; Børresen, Trond; Brodal, Guro; Melander, Bo (Peer reviewed; Journal article, 2020-03-09)There is a need both in organic farming and on farms using integrated pest management for non-chemical measures that control the perennial weed flora. The effect of mechanical weeding and fertilisation on perennial weeds, ... -
Interactive Effects of Subsidiary Crops and Weed Pressure in the Transition Period to Non-Inversion Tillage, A Case Study of Six Sites Across Northern and Central Europe
Reimer, Marie; Ringselle, Björn; Bergkvist, Göran; Westaway, Sally; Wittwer, Raphaël; Baresel, Jörg Peter; van der Heijden, Marcel G. A.; Mangerud, Kjell; Finckh, Maria R.; Brandsæter, Lars Olav (Journal article; Peer reviewed, 2019-08-29)Reducing soil tillage can lead to many benefits, but this practice often increases weed abundance and thus the need for herbicides, especially during the transition phase from inversion tillage to non-inversion tillage. ... -
Low genetic variation of invasive Fallopia spp. in their northernmost European distribution range
Holm, Anne-Kari; Elameen, Abdelhameed; Oliver, Benedikte Watne; Brandsæter, Lars Olav; Fløistad, Inger; Brurberg, May Bente (Journal article; Peer reviewed, 2017)Knowledge about the reproduction strategies of invasive species is fundamental for effective control. The invasive Fallopia taxa (Japanese knotweed s.l.) reproduce mainly clonally in Europe, and preventing spread of ... -
Mekaniske tiltak med og uten reduserte doser av glyfosat som alternativ til tradisjonell glyfosatsprøyting i vårkorn
Brandsæter, Lars Olav; Mangerud, Kjell; Hjerpaasen, Vegard; Tørresen, Kirsten (NIBIO Bok;7(1)2021, Chapter, 2021) -
Miljø- og klimaeffekter av fangvekster
Bøe, Frederik; Bechmann, Marianne; Øgaard, Anne Falk; Sturite, Ievina; Brandsæter, Lars Olav (NIBIO POP;5(12) 2019, Journal article, 2019-03)Fangvekster sås sammen med korn eller etter tidligkulturer for å ta opp overskudd av næringsstoffer og redusere erosjon. Fangvekster øker karboninnholdet i jorda og reduserer ugrasmengden. Fangvekster har lenge vært anerkjent ... -
Plantevern og plantehelse i økologisk landbruk - Bind 3 - Korn, oljevekster og kjernebelgvekster
Brandsæter, Lars Olav; Mangerud, Kjell; Brodal, Guro; Andersen, Arild; Birkenes, Svein Magne (Bioforsk FOKUS; 4(4) 2009, Book, 2009) -
Plantevern og plantehelse i økologisk landbruk. Bind 1: Bakgrunn, biologi og tiltak
Brandsæter, Lars Olav; Birkenes, Svein Magne; Henriksen, Birgitte; Meadow, Richard; Ruissen, Theo; Holmøy, Reidar; Mangerud, Kjell; Sjursen, Helge (Book, 2006) -
Plantevern og plantehelse i økologisk landbruk. Bind 2 – Grønnsaker og potet
Meadow, Richard; Brandsæter, Lars Olav; Birkenes, Svein Magne; Hermansen, Arne (Bioforsk FOKUS;, Book, 2008)En gjennomgang av de viktigste skadeorganismer (skadedyr, sjukdommer og ugras) som forekommer i grønnsaker og potet i Norge, samt bekjempingsmetoder som er tillatt og anbefalt ved økologisk dyrking.