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PhD defense: Old methods of cultivation can solve modern problems

On Thursday, 30 April, Rose Kristoffersen defends her PhD thesis at Department of Agroecology. Here she will talk about how to use, for example, mixtures of cultivar mixtures of wheat in the field to fight diseases.

[Translate to English:] Foto: Rose Kristoffersen

During her PhD studies Rose Kristoffersen has researched how to use a mixture of different varieties of wheat as a strategy against septoria (wheat grapple). Septoria is a fungus that causes damage in wheat fields and, in severe cases, gives great indents in the yields.

Cultivar mixtures can not only fight diseases in the crops, they can also increase diversity and thus a give more sustainable production of wheat with a lower input of chemical control.

In her PhD studies, Rose Kristoffersen investigated cultivar mixtures using historical data, just as she has done experiments with modern mixtures, to examine their ability to reduce disease and reduce fungicide resistance and control needs.

The results of the PhD thesis have the potential to push wheat production in a more diversified and sustainable direction.

Rose Kristoffersen completes her PhD at the Department of Agroecology, Aarhus University.

Time: Thursday 30 April 2020 at 12.00
Place: The defence will be held online. To receive a link to the event, please send an e-mail to Karina Rysholt Christensen; kch@agro.au.dk 
Title of PhD thesis: Management of septoria tritici blotch using cultivar mixtures and optimised fungicide strategies
Members of the assessment committee:
Adrian Newton, Research Scientist, The James Hutton Institute, Scotland UK
Hans Jørgen Lyngs Jørgensen, Associate Professor, Department of Plant and Environmental Sciences, University of Copenhagen, Denmark
Henrik Skovgård (Chair), Senior Scientist, Department of Agroecology, Aarhus University, Denmark
Main supervisor:
Lise Nistrup Jørgensen, Senior Scientist, Department of Agroecology. Aarhus University, Denmark

Thies Marten Heick, Postdoctoral Researcher, Department of Agroecology, Aarhus University, Denmark

Language: The PhD dissertation will be defended in English

Contact information: Rose Kristoffersen, e-mail: rose.kr@agro.au.dk, tel.: +45 26218664


The defence is public.
Due to the coronavirus situation, Aarhus University is physically closed at the moment. Therefore, the PhD thesis will not be available for reading at the Graduate School offices. Instead, interested parties may send an e-mail to gradschool.schitech@au.dk to receive a copy by e-mail.