Brady Welsh

Mr Brady Welsh

Higher Degree by Research Candidate

PhD Candidate

School of Biological Sciences

Faculty of Sciences


I am currently a PhD candidate at the University of Adelaide investigating the impact of fungicides on the phyllosphere microbiome of Vitis vinifera (grapevines) and the downstream consequences that this has on the sensory profile of wine. My project is a new collaboration between the School of Biological Sciences and the School of Agriculture, Food & Wine under the supervision of Dr. Stephen Kidd, Dr. Raphael Eisenhofer and A/Prof Susan Bastian.

Diseases which effect grapevines used for winemaking can cause tremendous burden on the wine industry, and as such, an array of chemical pesticides are used to prevent and treat instances of disease. Although viticulturists have used broad-spectrum pesticides for hundreds of years, the discovery of the vine’s microbiome highlights the risk of potential off-target and downstream effects caused by these disease treatments. Using both quantitative and qualitative techniques such as quantitative PCR and rRNA gene amplicon sequencing techniques, respectively, we aim to investigate how various fungicide conditions shape the grapevine microbiome over time via off-target interactions with the non-pathogenic microbial communities. With the interconnected nature of the grapevine microbiome and its role in plant health and the fermentation process, identifying these potential off-target effects is key to improving the health and yield of grapevine plants as well as ensuring the consistent production of high quality wines.

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  • Memberships

    Date Role Membership Country
    2021 - ongoing Member Royal Society of South Australia (RSSA) Australia
    2020 - ongoing Member Golden Key International Honours Society Australia
  • Position: PhD Candidate
  • Email: brady.welsh@adelaide.edu.au
  • Campus: North Terrace
  • Building: Molecular Life Sciences, floor 5
  • Room: 5 10
  • Org Unit: School of Biological Sciences

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