The Australian Wine Research Institute

The December 2019 issue of Technical Review is now available online. Articles and abstracts can be viewed individually, or the full issue can be downloaded. The online format of Technical Review allows you to browse the list of the latest articles on grape and wine production by keyword, view article summaries and order journal articles from the AWRI Library.

For copyright reasons, access to abstracts is available only to Australian winemakers and grapegrowers who pay the Wine Grapes or Grape Research levies. The technical notes authored by the AWRI are, however, freely available. If you have forgotten your password for the AWRI website, please use the forgotten password link to reset your password.

Below is a snapshot of what's in this issue:

AWRI Technical Notes	Removing metals from wine using PVI/PVP Do varietal thiols matter in red wine?
AWRI publications	Ask the AWRI: what does the latest research say about barrel sanitation against Brett? Effect of rootstock on yield, grape composition and wine sensory attributes of Shiraz grown in a moderately saline environment Carrageenans as heat stabilisers of white wine Vintage 2019 – observations from the AWRI helpdesk Ask the AWRI: regulatory changes to the use of botrytis agrochemical
Current literature – oenology	The scientific art of blending? Cabernet Sauvignon aging stability altered by microoxygenation Understanding cold maceration in red winemaking: a batch processing and multi-block data analysis approach Effect of temperature and duration of maceration on colour and sensory properties of red wine – a review Predicting fermentation dynamics of concrete egg fermenters Roundtable: cold soaking Influence of nitrogen content on grape non-Saccharomyces glycosidic activities Efficacy of ozone against different strains of Brettanomyces bruxellensis on winegrapes postharvest and impact on wine composition Effect of vine water and nitrogen status, as well as temperature, on some aroma compounds of aged red Bordeaux wines Lifting the lid: Australian wineries have their say in our latest closure survey Blue wine, a color obtained with synthetic blue dye addition: two case studies
Current literature – viticulture	Going against the grain with alternatives to wooden trellis posts Impacts of early leaf removal and cluster thinning on Grüner Veltliner production, fruit composition, and vine health New factsheet explores under-vine cover cropping The attitudes of French and Spanish winegrowers towards the use of cover crops in vineyards Using canopy and shade cloth to reduce sunburn Managing grapevine trunk diseases in California’s Southern San Joaquin Valley Could rising temperatures and humidity see an increase in the incidence of sooty mould? Foliar application of several nitrogen sources as fertilisers to Tempranillo grapevines: effect on wine volatile composition

An election was recently held for one position on the AWRI Board in the small levy payer category, with seven candidates contesting the election. The AWRI is pleased to announce that Toby Bekkers from Bekkers Wine was elected to the vacant position in the small levy payer category. Only one nomination was received in each of the medium and large levy payer categories, so elections were not required. Louisa Rose of Yalumba Family Winemakers (Chair of the AWRI Board) and Marcus Woods of Pernod Ricard Winemakers (a current Director) are the successful candidates in those categories respectively.

Toby Bekkers, a current AWRI Director, is a viticulturist, consultant and wine business manager with more than 25 years of relevant experience. He holds a Bachelor of Applied Science, Agriculture with Honours from the University of Adelaide and a Graduate Certificate in Management from the University of South Australia. He and his wife, Emmanuelle, own and operate Bekkers Wine and vineyards in McLaren Vale. Toby is a graduate of the 2009 ‘Future Leaders’ program and is a 2017 Nuffield Farming Scholar. He has presented at numerous events, including the Australian Wine Industry Technical Conference.

Louisa Rose is Chief Winemaker, Yalumba Family Winemakers and has 28 years of wine industry experience. She holds a Bachelor of Science in Physics from the University of Melbourne and a Bachelor of Applied Science in Oenology from Roseworthy College. Louisa is a highly experienced wine show judge, and is current chair of the Royal Adelaide Wine Show. She is Chair of the Australian Wine Research Institute, Grand Master of the Barons of Barossa and a member of the South Australian Agribusiness Council.

Marcus Woods is Wine Supply Director at Pernod Ricard Winemakers and has more than 18 years of viticultural and operational management experience. He holds a Bachelor of Applied Science in Viticulture and an MBA from Charles Sturt University. Marcus has worked across Australia managing vineyards, wineries and distilleries for a number of employers including Hardy’s, Accolade Wines and the Bickford’s Group. Marcus has taught Winery Business Management at the University of Adelaide and has been a committee member of the Clare Region Winegrape Growers Association.

All three Directors will commence their elected terms on 1 January 2020.

 
Starting on Thursday, 24 October, Larissa Barrows from the University of Melbourne takes a look at consumer attitudes toward sustainability certification in the wine industry and provides insights into how the wine sector can better converse with consumers on this issue. The remaining six webinars will run through to January 2020 and address topics including managing ‘reductive’ aromas, membrane contactor systems, managing heatwaves, soil health, a climate outlook for vintage 2020 and measuring Baume or Brix.

See the full program here.

Each webinar includes a presentation and an opportunity for audience members to ask questions and is held on a Thursday at 11:30 am Australian Central Daylight Time (Adelaide, GMT+10:30). All AWRI webinars are free to attend.

The next seven webinars for the program are:

24 October 2019: Consumer responses to sustainability certification in the wine industry– Larissa Barrows (University of Melbourne)

7 November 2019: Managing ‘reductive’ aromas in wines – Dr Marlize Bekker (AWRI)

14 November 2019: Membrane contactors for dissolved gas management – Dr Simon Nordestgaard (AWRI)

21 November 2019: Heat proofing vineyards – Dr Joanna Gambetta and Julia Guot (National Wine and Grape Industry Centre, CSU)

28 November 2019: Soil health checklist – what to measure to assess soil health – Dr Mark Krstic (AWRI)

5 December 2019: Bureau of Meteorology Seasonal Outlook for vintage 2020 – Darren Ray (BOM)

23 January 2019: Measuring Baume and Brix and understanding their relationship with final alcohol concentration – Dr Eric Wilkes (AWRI)

System requirements

You will need a computer or mobile device with an internet connection. Audio is connected over the internet using your computer or mobile device’s speakers (Voice over Internet Protocol – VOIP). Participants joining a webinar via a mobile device will need to download a free app available from iTunes or Google Play.

If you’ve missed a previous AWRI webinar, you can watch online via the AWRI’s YouTube channel.

For further information on AWRI webinars, please contact the AWRI information services team

An election is now open for the vacant position on the AWRI Board of Directors in the small (<2,000 tonnes) producer category.

The following nominations were received:

• Marc Allgrove (Evans & Ayers, SA)
• Toby Bekkers (Bekkers Wine, SA)
• Greg Clack (XO WineCo and Chain of Ponds, SA)
• Rory Lane (The Story Wines, Vic)
• Peter Leske (Revenir Winemaking and La Linea, SA)
• David Lowe (Lowe Wines, NSW)
• Mark Slade (Purple Hands and Saab Australia, SA)

Producers in the small category are strongly encouraged to vote for their preferred candidate. This is an excellent opportunity to have a say in electing a candidate that can contribute to the Australian grape and wine research and development agenda.

The levies unit of the Department of Agriculture will conduct the election. Ballot papers and candidate profiles will be emailed or posted (if an email address is not available) to all small levy payers on Friday 18 October 2019.

Votes must be received by the Department of Agriculture (levies.policy@agriculture.gov.au) no later than 5:00 pm, Friday, 8 November 2019.

Ballot papers and candidate profiles are also available from the AWRI website.

For medium and large producers, a single nomination was received in each category, so elections are not required. The AWRI is therefore pleased to announce that Louisa Rose of Yalumba Family Winemakers and Marcus Woods of Pernod Ricard Winemakers have been re-elected to the AWRI Board.

For further information please contact the AWRI at enquiries@awri.com.au.