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Ingerd Skow Hofgaard

Research Scientist

NIBIO Publications
NIBIO Projects

Division of Biotechnology and Plant Health

Fungal Plant Pathology in Forestry, Agriculture and Horticulture

(+47) 920 57 684
ingerd.hofgaard@nibio.no

Place
Ås H7

Visiting address
Høgskoleveien 7, 1433 Ås

Links

My profile at ResearchGate My profile at LinkedIn

Biography

My research is mainly on fungal diseases in grasses and cereals, with focus on Fusarium and mycotoxins in cereals (epidemiology, forecasting models and control measures). I have worked at NIBIO since 1997. In 1995 I achieved my Cand. scient. in Plant Physiology at the University of Oslo. In 2003, I accomplished my Dr. scient. in Plant Pathology at NIBIO and the Norwegian University of Life Sciences (NMBU). I have worked on several projects on Fusarium and mycotoxins, often with the role as the project manager of NIBIOs activities, or as a research task leader. Since 2012, I have coordinated activities within research on Fusarium and mycotoxins at NIBIO. I am the associate chair of the Department of Fungal Plant Pathology, Division of Biotechnology and Plant Health in NIBIO.

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Authors

Anne-Grete Roer Hjelkrem Heidi Udnes Aamot Guro Brodal Einar Strand Torfinn Torp Simon G. Edwards Ruth Dill-Macky Ingerd Skow Hofgaard

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Authors

Anne-Grete Roer Hjelkrem Torfinn Torp Guro Brodal Heidi Udnes Aamot Einar Strand Berit Nordskog Ruth Dill-Macky Simon G. Edwards Ingerd Skow Hofgaard

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Authors

Matias Pasquali Marco Beyer Antonio Logrieco Kris Audenaert Virgilio Balmas Ryan Basler Anne-Laure Boutigny Jana Chrpova Elzbieta Czembor Tatiana Gagkaeva María T. González-Jaén Ingerd Skow Hofgaard Nagehan D. Köycü Lucien Hoffmann Jelena Lević Patricia Marin Thomas Miedaner Quirico Migheli Antonio Moretti Marina E. H. Müller Françoise Munaut Päivi Parikka Marine Pallez-Barthel Jonathan Piec Jonathan Scauflaire Barbara Scherm Slavica Stanković Ulf Thrane Silvio Uhlig Adriaan Vanheule Tapani Yli-Mattila Susanne Vogelgsang

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Authors

Ingerd Skow Hofgaard Heidi Udnes Aamot Torfinn Torp M. Jestoi V.M.T. Lattanzio Sonja Klemsdal C. Waalwijk T. van der Lee Guro Brodal

Abstract

During the last ten years, Norwegian cereal grain industry has experienced large challenges due to Fusarium spp. and Fusarium mycotoxin contamination of small-grained cereals. To prevent severely contaminated grain lots from entering the grain supply chain, it is important to establish surveys for the most prevalent Fusarium spp. and mycotoxins. The objective of our study was to quantify and calculate the associations between Fusarium spp. and mycotoxins prevalent in oats and spring wheat. In a 6-year period from 2004-2009, 178 grain samples of spring wheat and 289 samples of oats were collected from farmers’ fields in South East Norway. The grains were analysed for 18 different Fusarium-mycotoxins by liquid chromatography – mass spectrometry. Generally, the median mycotoxin levels were higher than reported in Norwegian studies covering previous years. The DNA content of Fusarium graminearum, Fusarium culmorum, Fusarium langsethiae, Fusarium poae and Fusarium avenaceum were determined by quantitative PCR. We identified F. graminearum as the main deoxynivalenol (DON) producer in oats and spring wheat, and F. langsethiae as the main HT-2 and T-2-toxins producer in oats. No association was observed between quantity of F. graminearum DNA and quantity of F. langsethiae DNA nor for their respective mycotoxins, in oats. F. avenaceum was one of the most prevalent Fusarium species in both oats and spring wheat. The following ranking of Fusarium species was made based on the DNA concentrations of the Fusarium spp. analysed in this survey (from high to low): F. graminearum = F. langsethiae = F. avenaceum > F. poae > F. culmorum (oats); F. graminearum = F. avenaceum > F. culmorum > F. poae = F. langsethiae (spring wheat). Our results are in agreement with recently published data indicating a shift in the relative prevalence of Fusarium species towards more F. graminearum versus F. culmorum in Norwegian oats and spring wheat.

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Authors

Anne-Grete Roer Hjelkrem Brita Linnestad Ingerd Skow Hofgaard Berit Nordskog

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Ingerd Skow Hofgaard Anne-Grete Roer Hjelkrem

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Sigridur Dalmannsdottir Ingerd Skow Hofgaard Siri Ahlskog Trygve S. Aamlid

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Prosjekt REKORN - Underkultur

Division of Biotechnology and Plant Health

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.

Active Updated: 23.05.2024
End: dec 2026
Start: jan 2024
My finished projects