Viticulture: 2021
15 December 2021
Effect of pruning and mechanical fruit thinning on crop load and berry and wine composition of Tempranillo in Texas
Tempranillo is the second most planted variety in Texas. However, over-cropping can be an issue. Crop load can be managed by pruning and mechanical fruit thinning. Mechanizing fruit thinning provides three benefits: yield reduction, berry ...
10 November 2021
Which routes for optimal yield sampling in viticulture?
Estimating vineyard crop yield is important for preparing harvesting operations and vatting. Estimations are generally carried out by sampling shortly before harvest and observations are made on a limited number of sampling sites. The sampling ...
27 October 2021
Auxin-type herbicide drift: effects on grapevine leaf functioning and reproductive performance
Auxin-type herbicides are widely used to control broad-leafed weeds in cereal crop fields and pastures. Vapour drift, however, can spread several kilometres and therefore reach nearby vineyards. When grapevines are ...
13 October 2021
Leaf area management affects grape nitrogen content
Grape nitrogen content at harvest plays a decisive role in the kinetics of alcoholic fermentation and in the formation of wine aromas, particularly in the case of white wines. Viticultural practices have evolved considerably in recent decades ...
22 September 2021
The unique and extreme vineyards of Santorini Island (Cyclades)
Own-rooted and phylloxera-free vines have been cultivated on the volcanic soil of Santorini for thousands of years. All this time, vines have been cultivated by using two traditional training systems, the ...
8 September 2021
Review of vine water deficit. What levers for the vineyard in the short and medium term?
In the context of climate change, most wine-growing regions are experiencing periods of water deficit, or even water stress, as well as heatwaves. The proven increase in average temperatures has led to a shift in the phenological stages of the ...
27 August 2021
The role of diaphragm as a natural resistance to the necrosis produced by pruning cuts
Long before the scientific method was created, vine pruning was established as an art as early as at the beginning of the Christian era. Pruning is a way of reducing the vegetative part of the vine in order to limit its natural growth, and ...
16 June 2021
Preventing ESCA in Vitis vinifera by proscribing vine training systems or mutilating pruning methods
To illustrate the influence of vine training systems or pruning methods or regimes on the development of the grapevine wood disease, ESCA, a synthesis has been realized from the results obtained within the framework of two projects, one called ...
21 April 2021
Nighttime transpiration: does it contribute to water stress in grape?
Climate change is driving the search for grapevine cultivars and/or rootstocks that use water more efficiently. Recently, there has been increasing attention on nighttime transpiration. The reasoning is simple. While daytime transpiration ...
17 March 2021
Long-term adaptation of European viticulture to climate change: an overview from the H2020 Clim4Vitis action
Climate change is a major challenge to viticulture worldwide. The adaptation potential of the different strategies to cope with climate change still embraces many uncertainties (e.g., unpredictable social-economic developments and land-use ...
10 March 2021
Short-term adaptation of European viticulture to climate change: an overview from the H2020 Clim4Vitis action
Viticulture is exposed and vulnerable to extreme weather and climate change. In Europe, owing to the high socio-economic value of the winemaking sector, the development of adaptation strategies to mitigate climate change impacts will be of ...
17 February 2021
Grapevine berry shrivelling, water loss and cell death: an increasing challenge for growers in the context of climate change
Late ripening berry dehydration is an important phenomenon that occurs through grape berry water loss due to the alteration of the fruit water budget when transpiration and potential water back flow to the plant exceed the import of water into ...
14 January 2021
Grapevine double cropping: a reality, not a myth
The main drawback of the forcing vine regrowth technique is the loss of yield (Martínez de Toda, 2020). In order to avoid such loss of yield and not eliminate the primary clusters already ...
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