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Autumn 2019 (Volume 34, Number 2)

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The end of the winemaking process is the focus of the Autumn Wine & Viticulture Journal.

Among the articles on wine finishing is one by regular writer Erika Szymanski who looks at the progress that has been made in finding an alternative to bentonite.

Complementing Erika’s article is this issue’s column by the Australian Wine Research Institue in which it reports on its efforts in identifying a shorter heat test.

Rounding out our coverage on fining is an article by Laffort describing the results of trials using a protein it has developed derived from potatoes as a flotation adjuvant.

We also have an article by a team of researchers from New Zealand’s Lincoln University who have compared the effects of different levels of skin contact and oxidation on white wine tannins in orange wines.

Sparkling wine takes centre stage in a comprehensive article by regular writer Mark O’Callaghan who explores the various challenges in producing the wine style for which he picked the brains of some of the most astute in the sparkling winemaking game – including Ed Carr, Ray Geurin and Tyson Stelzer – and the marketing game for some advice on addressing those challenges.

Contents

Industry Association Columns

  • WINE AUSTRALIA (Liz Waters): Upgraded grapevine rootstock selector tool simplifies decisions
  • AGW (Tony Battaglene): Australian Grape and Wine Incorporated – it’s official!
  • ASVO (Anthony Robinson): Introducing new ASVO board members Andy Clarke and Richard Fennessy

Opinion

  • The Busby Riesling ‘myth’ refuted

Winemaking

  • ERIKA SZYMANSKI: Better than Bentonite? The search for alternative fining agents continues…
  • Fine tuning flotation with a potato protein: quality and process flow
  • The phenolic composition of orange wine ̶ effects of skin contact and sulfur dioxide addition on white wine tannin
  • AWRI REPORT: Getting proactive about protein

Sparkling Wine

  • MARK O’CALLAGHAN: Double, double, toil and trouble – with bubbles

Viticulture

  • TONY HOARE: A letter from your vineyard soil
  • Spatial distribution of berry fresh mass, seed number and sugar concentration on grapevine clusters of Shiraz: Discussion of potential consequences for sampling to monitor vineyard ripening
  • The rationale for revitalising vineyards
  • ALTERNATIVE VARIETIES: Cinsaut

Business & Marketing

  • The first taste is almost always with the eye!
  • Collaborative approach leads Tasmanian brothers to early business success
  • Navigating the complexities of the American export market

Tasting

  • Sweet wines

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The Wine & Viticulture Journal is the 2018 media partner of the ASVO