Marit Almvik
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Marit AlmvikSammendrag
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Marianne Stenrød Marit Almvik Ole Martin Eklo Anne Louise Gimsing Roger Holten Kai Künnis-Beres Mats Larsbo Linas Putelis Katri Siimes Inara Turka Jaana Uusi-KämppäSammendrag
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Marit Almvik Randi Bolli Agnethe Christiansen Ole Martin Eklo Roger Holten Paulien Mulder Gunvor Senneset Marianne StenrødSammendrag
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Sammendrag
Poster presented at SETAC 2026. Plastic waste in the environment has been suggested as a potential carrier for azoles and other pesticides, which may contribute to the selection and spread of fungal resistance to azole-based medicines and pesticides. Here, we report results from pesticide analyses of plastic litter collected across Norway. Although many of the 120 plastic samples were weathered and small, we detected pesticides and other contaminants on 36 of the samples, including azoles on 13 of them. Azole concentrations ranged from 2-66 µg/kg plastic litter. The concentrations of the other contaminants ranged from 1 to 731 µg/kg plastic litter, with the highest finding of the herbicide fluroxypyr-meptyl on a piece of hayball plastic wrap. 18 of the litter samples with findings were found in forest habitats, whereas 17 samples were sampled from farmland and grassland. The findings suggest certain pesticides and biocides, including azoles, bind more strongly to plastic than previously assumed, allowing contaminants to persist and spread beyond agricultural areas into natural habitats. This raises concerns about environmental transport of antifungal agents and the potential acceleration of resistance development, posing risks to health and ecosystems.
Sammendrag
Honey can be contaminated by various natural and anthropogenic substances, posing a health risk to consumers. Pyrrolizidine alkaloids (PAs) are naturally toxic compounds many plant species produce to protect against herbivores. Honey may become contaminated if bees collect nectar and pollen from PA-producing plants. Clopyralid is the active ingredient in some herbicides, including Matrigon 72 SG, approved for weed control in oilseed rape in several countries. As a systemic substance, its application before flowering may contaminate nectar, pollen, and honey. In 2023, 30 Norwegian honey samples were tested for the content of PAs and 22 other honey samples for clopyralid. Pyrrolizidine alkaloids were detected in 20 per cent of the samples, but predominantly at low levels (<12 μg kg−1). One sample contained a higher level (27.8 μg kg−1). Clopyralid was detected at levels exceeding the EU Maximum Residue Level (MRL) at the time (0.05 mg kg−1) and the current EU MRL (2024) (0.15 mg kg−1) in seven of 22 honey samples, including five honey samples produced close to clopyralid treated oilseed rape fields, one honey sample collected next to unsprayed fields, and in one sample received from a beekeeper. It was later clarified that beehives in proximity to unsprayed cropping areas with honey with a high clopyralid content also were close to conventional clopyralid-treated oilseed rape fields. The results indicate that a more extensive survey would be appropriate to evaluate whether PAs and clopyralid are a common problem in Norwegian honeybee products.
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Divisjon for bioteknologi og plantehelse
Prioritering av plantevernmidler og metabolitter for overvåking av norske jordbruksbekker, basert på kartlegging ved hjelp av bredspektrede screeninganalyser
Divisjon for bioteknologi og plantehelse
Miljørisiko ved plantevernmidler: eksponering og risiko for pollinatorer i jordbruksnære områder (APIStrips)
Prosjektet skal undersøke pollinatorers eksponering for plantevernmidler og nedbrytingsprodukter i norske jordbrukslandskap ved hjelp av APIStrip-metodikk. Dette er en ny, ikke-inngripende metode med adosorberende plater som plasseres i bikuber og som fanger opp flere plantevernmidler enn tradisjonelle prøvetakingsmetoder.
Divisjon for bioteknologi og plantehelse
Diversity Oats - A more sustainable Norwegian oat industry by increased genetic diversity and diversified food products
Divisjon for bioteknologi og plantehelse
REKORN: Can regenerative cultivation methods contribute to reduce the risk of fungal diseases in cereals?
Regenerative agriculture is referred to as a bridge between organic and conventional agriculture and has received increased attention in recent years. Regenerative agriculture focuses on soil health and cultivation measures that can stimulate soil life and plant growth. An improvement in soil health is visualized, among other things, in increased carbon storage in the soil, limited soil compaction and increased microbiological diversity. The methods used to improve soil health within cereal cultivation may include crop rotation, reduced tillage, intercropping, use of catch crops and surface composting where plant residues are mixed into the top-soil layer.
Divisjon for bioteknologi og plantehelse
REKORN: Kan regenerative dyrkingsmetoder bidra til å redusere risiko for soppsjukdommer i korn?
I prosjektet «REKORN» ønsker vi å sammenlikne plantehelsa i korn fra skifter dyrket med ulike dyrkingsmetoder som benyttes innen regenerativt landbruk. Gjennom REKORN ønsker vi å utvikle kunnskap om sammenhengen mellom jordhelse og plantehelse.
Divisjon for bioteknologi og plantehelse
Kunnskap om faktorer som påvirker utvikling av sopp og soppgifter
Prosjektet skal identifisere faktorer som påvirker innhold av soppgifter eller andre naturlig dannede uønskede stoffer i planter, og utvikle kunnskap som kan bidra til å redusere forekomsten av slike gifter.
Divisjon for bioteknologi og plantehelse
Cropdrive
Cropdrive aims to identify a selection of cover crops suitable for use in root vegetable and potato production with beneficial impacts on both soil and plant health, and greenhouse gas exchange.