Viticulture

5 June 2020

Apex-Vigne: A mobile application to facilitate the monitoring of growth and estimate the water status of the viticulture plots

The observation of apex growth is a simple method that was introduced to monitor the existence of hydric constraints in the vineyard (Rodriguez Lovelle et al., 2009; De Toda et al., 2010). Based on the direct observation in ...
Léo Pichon, Guilhem Brunel, Jean-Christophe Payan, Bruno Tisseyre
13 May 2020

Grapevine Latent Bud Dormancy and Shoot Development

Grapevine development comprises different phenological stages from bud break to berry maturation which are mainly temperature and water dependent. Pre bud break, there is a crucial stage called dormancy which can be divided in two periods: ...
Anne Pellegrino, Suzy Rogiers, Alain Deloire
23 April 2020

Beware the brown marmorated stink bug!

The brown marmorated stink bug (BMSB), Halyomorpha halys (Stål, 1855) is a hemipteran insect in the Pentatomidae family native to eastern Asia. This extremely polyphagous species is spreading rapidly worldwide. It is responsible for ...
Jean-Claude Streito, Marguerite Chartois, Éric Pierre, Jean-Pierre Rossi
27 March 2020

Water as a critical issue for viticulture in southern Europe: sustainability vs competiveness

Water is a vulnerable resource in the Mediterranean region, but irrigation demands have been increasing to mitigate effects of environmental stress. Sustainable wine production involves the precise use of water in the vineyard and winery. ...
Joaquim Miguel Costa, Margarida Vaz, José Mariano Escalona, Ricardo Egipto, Carlos Manuel Lopes, Hipolito Medrano, Maria Manuela Chaves
14 October 2019

Phenology: Follow the internal clock of the Vines

The development of the vine throughout the year is punctuated by the appearance of key stages such as the bud-burst, the flowering and the veraison.  The precise monitoring of these stages on the scale of a vineyard is essential in ...
Cornelis van Leeuwen, Agnès Destrac-Irvine, Laure de Resseguier, Iñaki Garcia de Cortazar-Atauri, Éric Duchêne
12 October 2019

Vineyard variability: can we assess it using smart technologies?

VitiCanopy is a smart-device computer application (app) that allows users to measure and interpret objective canopy architecture and its spatial distribution in the vineyard thus allowing for informed and targeted vineyard management ...
Roberta De Bei, Sigfredo Fuentes, Cassandra Collins
11 October 2019

Viticulture in a changing climate: solutions exist

Grape growers have always cultivated vineyards in challenging environments, adapting their practices to sometimes very difficult local conditions. Climate change, as a new player, is modifying the terroirs’ characteristics rapidly and ...
Cornelis van Leeuwen, Jean-Philippe Roby, Nathalie Ollat
9 October 2019

Defoliation of the vines before or after berry set: Physiological consequences and qualitative factors

Defoliation of the vines consists of eliminating the leaves in the grape bunch zone in a more or less intensive manner. It is a long-proven prophylactic technique that has seen a renewed interest in the current context of the reduction of ...
Thibaut Verdenal, Vivian Zufferey, Agnès Dienes-Nagy, Gilles Bourdin, Katia Gindro, Jean-Laurent Spring
5 October 2019

Understanding Esca: watch out for the grafting type!

Black measles in English, Esca in French, Escha in Italian, Yesca in Spanish, Iska in Greek… This nightmare for winegrowers around the world creates confusion about its development and characteristics. Nevertheless, research progress has been ...
Coralie Dewasme, Séverine Mary, Pascal Lecomte, Marc Birebent, Julien Dumercq, Jean-Philippe Roby
3 October 2019

"Biocontrol" Products: Of relative efficiency in combating botrytis.

Botrytis effects the yield and the quality of grape musts. To protect again these damaging effects, winegrowers target their combat against this disease with the application of phytosanitary products and prophylactic ...
Coralie Dewasme, Séverine Mary, Jean-Philippe Roby
1 October 2019

Measuring the phenology to more effectively manage the vineyard

Phenology is concerned with the periodic phenomenon of the vine growing cycle (bud burst, flowering, veraison), in relation to the climate.  It is a veritable biological clock of the vines.   The timing of the numerous ...
Agnès Destrac-Irvine, Gérard Barbeau, Laure de Resseguier, Thierry Dufourcq, Vincent Dumas, Iñaki Garcia de Cortazar-Atauri, Hernan Ojeda, Nicolas Saurin, Cornelis van Leeuwen, Éric Duchêne
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