Earlier wine-grape ripening driven by climatic warming and drying and management practices

Webb, Leanne; Whetton, Penny; Bhend, Jonas; Darbyshire, Rebecca; Briggs, Peter R.; Barlow, E. W. R.

doi:10.1038/nclimate1417

Cited by 209 publications

(169 citation statements)

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“…A trend towards earlier maturity of wine grapes has been observed in several countries as a result of recent climate change (Webb et al 2011, Malheiro et al 2013, Vršič et al 2014). Earlier maturity of wine grapes has been associated with increasing temperature and decreasing soil water content during the growing season in Australia (Webb et al 2012), but this conclusion was apparently inconsistent with long-term trends of annual rainfall (White 2013). According to Urhausen et al (2011), who analyzed the relationship between various climatic parameters and phenological stages in viticulture, only temperature-based predictors showed sufficient skill.…”

Section: Relationship Between Grape Harvest Dates and Meteorological mentioning

confidence: 99%

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Drought reconstruction based on grape harvest dates for the Czech Lands, 1499-2012

Možný¹,

Brázdil²,

Dobrovolný³

et al. 2016

Clim. Res.

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The timing of maturity of grapes depends on the weather conditions during the growing season. This study relies on the dependence of harvest dates on the air temperature and dry/wet conditions. Recorded observations show that increases in air temperature and dryness are associated with earlier grape harvests. Documentary data of grape harvests from the Bohemian wine-growing region (mainly northwest of Prague) were combined with mean Standardized Precipitation Evapotranspiration Index (SPEI) series starting in 1841 and ordinary least square regression with subsequent scaling to reconstruct the mean SPEI values for this area for April to August from 1499 to 2012. The reconstructed SPEI series explains 75% of the drought variability since 1841. All dry years that were detected by the reconstructed April−August SPEI values correlate well with years of excellent and good red wine of vintage quality for 1499−1840. A comparison of the reconstructed series with other SPEI reconstructions from the Czech Lands (the recent Czech Republic) based on documentary and instrumental data shows good agreement. The results demonstrate that grape harvest series may be used as a proxy for drought reconstruction in the central European region.

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Section: Relationship Between Grape Harvest Dates and Meteorological mentioning

confidence: 99%

“…Other climate variables also likely af fect the ripening of grapes. For example, Webb et al (2012) attributed the earlier ripening in Australian wine regions to temperature increases, soil drying, and/or changes in vineyard management techniques.…”

Section: Introductionmentioning

confidence: 99%

Drought reconstruction based on grape harvest dates for the Czech Lands, 1499-2012

Možný¹,

Brázdil²,

Dobrovolný³

et al. 2016

Clim. Res.

View full text Add to dashboard Cite

show abstract

“…Webb et al (2007) projected a 50-day advancement in the maturity of grapes in the Coonawarra region of South Australia by 2050. The effects of global warming and associated changes in precipitation patterns may alter terroirs (White et al, 2009), i.e., unique combinations of climate and soils that are used to produce wines of distinctive styles (Webb et al, 2012). However, the information on the future irrigation requirements of viticulture and the magnitude of other related risks (salinity) in the soil is sparse.…”

Section: Introductionmentioning

confidence: 99%

Identifying the future water and salinity risks to irrigated viticulture in the Murray-Darling Basin, South Australia

Phogat

Cox

Šimůnek

2018

Agricultural Water Management

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“…Viticulture sustainability in response to climate change has been addressed mostly considering agronomical impacts such as grape phenology (Xu et al, 2012), grape ripening (Barnuud et al, 2014 ;Stock et al, 2005), and water management (Hofmann et al, 2014), either separately or together (Moriondo et al, 2013 ;Webb et al, 2012). All indicate considerable changes, either recent or projected during the 21 st century.…”

Section: Introductionmentioning

confidence: 99%

Climate vs grapevine pests and diseases worldwide: the first results of a global survey

2017

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Aim : This paper aimed to address the relationship between grapevine disease, pest occurrences and climate. The extremely large extension of viticulture worldwide offers the possibility to evaluate the impacts of climate variability on many aspects of the grape growing system. For this, we initiated a global survey to retrieve the most important diseases and pests in many grape growing regions worldwide and to identify the risk of exposure to pests and diseases of viticulture as a function of climate. Methods and results :Based on the answer of respondent about the main reported diseases/pests in their region, a severity index was calculated. Each region was geolocalised and data were compared to the WorldClim gridded climate database to document the range of climate conditions (growing season temperature and rainfall) associated to the main diseases/pests. The potential climatic-induced changes of grapevine disease and pest geography by 2050 are assessed using agro-climate projections from the ARPEGE CNRM model, using the RCP 4.5 scenario. The preliminary results allow to determine the distribution of diseases as function of agroclimatic indicators. Conclusion :While the distribution of diseases differs according to the region of the world, the current analysis suggests that mildews remain the major phytosanitary threat in most of the regions. Powdery mildew, trunk diseases and viruses were reported in extremely diverse climatic conditions, including intermediate and wet regions.Significance and impact of the study : This paper present an original methodology to address the relationship between grapevine disease and pest occurrences and climate. Such documentation is scarce in the current literature. Further analysis is currently being performed, including additional survey answers, climate indices and supplementary data collected (spatial extension, frequency of treatments…) to better depict the challenges of grapevine phytosanitary management in a changing climate.

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Earlier wine-grape ripening driven by climatic warming and drying and management practices

Cited by 209 publications

References 20 publications

Drought reconstruction based on grape harvest dates for the Czech Lands, 1499-2012

Drought reconstruction based on grape harvest dates for the Czech Lands, 1499-2012

Identifying the future water and salinity risks to irrigated viticulture in the Murray-Darling Basin, South Australia

Climate vs grapevine pests and diseases worldwide: the first results of a global survey

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