Research

  • Oregon State University to Launch First-of-Its-Kind Wine Grape Cultivar Trials

    American Vineyard Magazine reports that Oregon State University will begin major trials of disease-resistant wine grape varieties in 2027, believed to be the first research programme of its type on the US West Coast. Trials at vineyards in the Willamette and Rogue valleys will examine about ten cultivars at each location, assessing vine growth, yield, fruit composition and eventual wine quality. The research is partly driven by the heavy fungicide requirements of traditional Vitis vinifera varieties, particularly against powdery mildew, with Oregon growers sometimes making between five and 15 applications per season. Researchers hope resistant varieties could ultimately reduce costs, chemical inputs and environmental impact while still producing commercially acceptable wines.

  • Smart Agriculture Using Digital Holography and AI

    Frontiers in Plant Science has published a peer-reviewed study, testing an autonomous vineyard sensor that combines digital holography with artificial intelligence to identify airborne spores of downy and powdery mildew in near real time, potentially allowing spraying decisions to be based on actual pathogen presence rather than weather forecasts alone. Field case studies in Switzerland and Bordeaux found that spore-informed management could reduce fungicide applications while retaining disease control, including a Bordeaux trial where the monitored Merlot parcel received 30% less fungicide than other parcels in 2022 while recording comparable yield and quality, although the authors stress that the Bordeaux work was an operational case study rather than a replicated controlled experiment. The results are promising for precision viticulture, but the researchers explicitly call for validation across more seasons, climates and vineyards before treatment thresholds can be generalised.

  • Researchers Make Progress Towards Turning Smoke-Affected Grapes into Quality Sparkling Wine

    The University of Tasmania reports new results from the Tasmanian Institute of Agriculture’s long-term research into whether bushfire smoke-affected grapes can still be used to produce acceptable sparkling wine. Researchers simulated vineyard smoke exposure by treating grapes for three hours with smoke generated from local native wood and leaf litter, then made sparkling wines containing controlled levels of smoke taint. PhD researcher Alison Ctercteko reports that experimental treatments can remove smoke-taint compounds, although the central challenge is reducing those undesirable compounds without simultaneously stripping desirable Pinot noir and Chardonnay aromas. The work forms part of a 10-year trial examining both mitigation methods and how smoke compounds affect sparkling wine during ageing, with the current results described as promising but not yet presented as a finished solution. The University published the research update on 23 September 2026, with a contemporaneous release timestamped 10:37 am AEST.

  • Independent Wine Retail in a Changing Market

    Wine Drinker reports that Liberty Wines’ 2026 Independent Off-Trade Wine Report shows that UK independent wine retailers face challenging conditions, with spending down 5% between March 2024 and March 2026, although still around 20% above 2019 levels. Performance varies widely: more than 40% of retailers have grown sales, with the strongest tending to prioritise quality, distinctive ranges and attracting customers over competing with supermarkets on price. Independents have outperformed supermarkets on both volume trends and value growth, suggesting shoppers will accept higher prices when they see better quality and value.

    Falling customer numbers are the main challenge, with a 9% decline over two years outweighing a 5% rise in spending per visit. The report highlights communication, tastings, events and knowledgeable staff as ways to attract customers and encourage repeat visits. Shoppers are becoming younger, while similar household incomes across different spending groups suggest scope to increase purchasing among lighter spenders. Tastes are also broadening, with strong performances from Champagne, English sparkling wine and Provence rosé, alongside growing interest in Spain, South Africa, lesser-known wine-producing countries and a wider range of grape varieties.

  • New Study Highlights Need to Reframe Wine for Younger Consumers

    Business Wire announced the release of a new national study by Material and the Wine Market Council, which explores how to make wine more relevant to Millennials and Generation Z. The research, based on a survey of nine hundred American alcohol consumers, indicates that younger drinkers view wine as approachable but often associate it with traditional, formal occasions rather than everyday enjoyment. To improve market penetration, the report advises the industry to increase its online visibility and promote versatile serving methods, such as enjoying wine over ice or in mixed formats, while tailoring digital content to the relatable preferences of younger demographics.

  • A Vast Ancient Wine-Producing District Emerges at Phanagoria on the Black Sea

    Ancientist reports archaeological research from Phanagoria, where the Institute of Archaeology of the Russian Academy of Sciences has identified five wine-production facilities, around 60 large fermentation vessels and associated warehouses and shops in an ancient commercial district close to the Black Sea port. The largest excavated winery is estimated to have produced roughly 30 tonnes of wine annually, while the pithoi used during fermentation could each contain about 600 to 800 litres. Crushing platforms coated with water-resistant mortar, fermentation vessels, amphorae and evidence of sulphur being burned inside containers for sanitation provide unusually detailed physical evidence for organised ancient winemaking, storage and distribution. Researchers now plan chemical and biological analysis of recovered material to investigate the composition of the wines and potentially identify grape varieties.

  • Study Finds Vineyard Heat Strategy Shifts from Shade Cloth to Hardier Grapes

    Vinetur reports on research modelling how Napa Valley winegrowers could respond economically to increasingly severe heat, comparing continued Cabernet Sauvignon production, shade cloth, switching to heat-tolerant Carignan and relocating production to Lake County. A 30-year net present value model suggested that keeping Cabernet unchanged was most economical under moderate heat, shade cloth became preferable as heat intensified, and changing to a more heat-resistant variety produced the strongest return under the most severe scenarios, while relocation performed worst. A survey of 308 US wine consumers also indicated temporary willingness to pay premiums for climate-adapted wines, particularly those protected by shade, suggesting that adaptation decisions involve both vineyard resilience and consumer perceptions.

  • People With Higher IQ Scores Tend to Know More About Wine

    PsyPost reports that new research involving 525 participants found a statistically significant association between general intelligence and factual wine knowledge, even after researchers accounted for professional wine-industry experience and participants’ wine-drinking preferences. Participants completed a 68-question wine knowledge assessment adapted from Wine & Spirit Education Trust material, with intelligence accounting for about 9.4% of the variation in wine knowledge scores. Importantly, the study measured knowledge of subjects such as regions, viticulture and winemaking, rather than sensory tasting ability, so the findings do not suggest that people with higher IQ scores necessarily have better palates or judge wines more accurately.

  • Will Chardonnay and Pinot Noir Survive a Warmer World?

    Wine Drinker explains how a new study suggests that moderate water stress can enhance wine character by increasing compounds linked to flavour, aroma and antioxidants, but severe drought may push some grapes beyond their limits. Chardonnay appears relatively adaptable, responding gradually to increasing stress and even boosting protective compounds such as glutathione. Pinot Noir seems more vulnerable, with some aroma-related metabolites declining once water stress becomes severe, suggesting a narrower climatic comfort zone. Crucially, irrigation and vineyard management can greatly alter how much stress vines actually experience, meaning producer decisions may become as important as regional climate in shaping future wine styles.

  • Napa Wine Compliance Costs Near 18% of Production

    Ag Alert reports that regulatory compliance cost a small, 8,500-case Napa County winery an estimated $203,832 annually when wine production and direct-to-consumer sales requirements were combined. This amounted to $23.65 per case, or 17.5% of production costs, with labour, water regulation, alcohol licensing and interstate shipping compliance among the largest expenses. The researchers caution that the study examined only one winery, but say it provides a baseline for understanding the cumulative impact of federal, state and local regulations.

  • Climate Change Could Reshape the Wines We Drink

    WineDrinker reports on new research that finds that climate change will reshape rather than simply shift Europe’s wine regions northwards, because vineyard viability depends not only on warmer temperatures but also on extreme heat, frost, rainfall, humidity and disease. Southern European vineyards face growing heat risks from around 2040, potentially requiring heat-tolerant grapes, cooler sites and new cultivation methods, while northern regions such as England and Wales may gain suitable temperatures but remain constrained by mildew and other diseases encouraged by wet, humid conditions. Across Europe, growers are likely to adapt through different grape varieties, altered harvest dates, improved disease management and movement to higher elevations, although these changes may increase costs and environmental pressures. For consumers, European wine is unlikely to disappear, but familiar regions, styles, varieties and vintage patterns will gradually evolve, with greater emphasis on cooler locations, disease-resistant vines and producers capable of adapting sustainably.

  • Low-to-Moderate Wine Consumption Associated with Lower Mortality

    Nutrition Journal reports a prospective analysis of 340,924 UK Biobank participants, followed for an average of 13.4 years, examining associations between wine, beer, cider and spirits consumption and mortality. High overall alcohol consumption was associated with a 24 per cent higher risk of death from all causes, a 36 per cent higher risk of cancer death and a 14 per cent higher risk of cardiovascular death, compared with never or occasional drinking. Low-to-moderate wine consumption was associated with lower mortality in the statistical analysis, while comparable consumption of beer, cider or spirits was associated with higher mortality, but this observational study cannot demonstrate that wine itself caused the apparent difference, as lifestyle, diet and socioeconomic factors may distinguish wine drinkers from other groups. Importantly, high wine consumption was associated with increased mortality from several cancers, meaning the findings should not be interpreted as evidence that people should begin drinking wine for health reasons.

  • Climate-Linked Alcohol and Acidity Shifts Alter Red Wine Aroma

    LCGC International reports that researchers at the University of Naples have examined how rising alcohol levels and declining acidity can change the aroma and taste of red wine. Tests involving nine versions of a neutralised red wine found that higher alcohol and lower acidity increased the release and perception of two lactone compounds associated with sweet, perfumed, prune-like and prematurely aged aromas, while also reducing sourness and increasing bitterness. The findings suggest that acidification, commonly used to correct climate-related imbalances, must be carefully managed because it can also alter aroma perception and overall sensory quality.

  • Texas A&M Sending Grape Seeds to the International Space Station

    Food & Wine reports that Texas A&M AgriLife researchers will send hundreds of seeds from three Texas-adapted wine-grape varieties to the International Space Station for six months, investigating whether cosmic radiation produces genetic changes that affect germination, vine development, resilience, grape yield or quality. After returning, the seeds will be planted alongside unexposed controls and assessed genetically and agronomically, with researchers ultimately hoping to make wine from any successful vines.

  • Extreme Heat Could Change The Mix For European Drinks Makers

    Reuters reports that Europe’s current heatwave is challenging the usual assumption that hot weather lifts alcohol sales, with analysts and companies warning that extreme temperatures can push consumers indoors, reduce alcohol consumption and raise agricultural and production costs. The article notes research showing alcohol sales rise with temperature only up to just over 32°C, after which the effect weakens, while health authorities have also advised avoiding alcohol during severe heat because of dehydration risks. The implications matter for wine as well as beer and spirits, particularly as more frequent heatwaves affect both consumer behaviour and vineyard agriculture.