837 articles
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ WATER POTENTIAL IN CV. VERDEJO: RESPONSE AT DIFFERENT DAY TIMES TO THE VARIATION OF WATER REGIME IN THE D.O. RUEDA (SPAIN)
    Jesus YUSTE1*, Daniel MARTINEZ‐PORRO1 1 INSTITUTO TECNOLOGICO AGRARIO DE CASTILLA Y LEON, Ctra. Burgos km 119, 47071 Valladolid, Spain *Corresponding author: yusbomje@itacyl.es

    Context and purpose of the study ‐ Irrigation management is a critical aspect in grapevine cultivation to regularize grape production and quality in areas of clear water limitation. The scarcity of information implies the need to know the plant water status to make an estimate of the response of cv. Verdejo to the variation of water regime in vi...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ CONSISTENCY OF THE HYDRAULIC TRAITS AND STOMATAL RESPONSES IN GRAPEVINES WITH CONTRASTING HYDRAULIC VULNERABILITY 1 1 1
    Luis VILLALOBOS‐GONZÁLEZ , Constanza QUINTANA , Dayna DONAIRE , Mariana MUÑOZ‐ 1 1* ARAYA , Nicolás FRANCK, Claudio PASTENES 1 Universidad de Chile, Facultad de Ciencias Agronómicas. *Corresponding author:cpastene@uchile.cl

    Context and purpose of the study ‐ Different from wild species in arid and semiarid conditions, cultivated species are very sensitive to drought and, beyond some stress thresholds, food production is not possible. It is therefore important to gain further knowledge on the responses of plant species of agricultural importance to realistic water s...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ NITROGEN REQUIREMENTS OF TABLE GRAPE CULTIVARS GROWN IN THE SAN JOAQUIN VALLEY OF CALIFORNIA
    Larry E. WILLIAMS* and Matthew FEDELIBUS Department of Viticulture and Enology University of California – Davis and Kearney Agricultural Research and Extension (KARE) Center 9240 S. Riverbend Avenue Parlier, CA 93648 *Corresponding author: lewilliams@ucanr.edu

    Context and purpose of the study ‐ Ground water in the interior valleys of California is contaminated with nitrates derived from agricultural activities, primarily the over fertilization of crops. Agriculture is now mandated by the State of California to monitor all possible nitrogen (N) inputs into agro‐ecosystems and only apply N amounts tha...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ NITROGEN PARTITIONING AMONG VINE ORGANS AS A CONSEQUENCE OF CLUSTER THINNING
    Thibaut VERDENAL1,2*, Jorge E. SPANGENBERG2, Vivian ZUFFEREY1, Agnes DIENES‐NAGY1, Olivier VIRET3, Cornelis VAN LEEUWEN4, Jean‐Laurent SPRING1 1 Agroscope, Av. Rochettaz 21, CH-1009 Pully, Switzerland Institute of Earth Surface Dynamics, University of Lausanne, CH-1015 Lausanne, Switzerland 3 Direction générale de l’agriculture, de la viticulture et des affaires vétérinaires (DGAV), Av. de Marcelin 29, CH-1110 Morges, Switzerland 4 EGFV,Bordeaux Sciences Agro, INRA, Univ. Bordeaux, ISVV, F-33882 Villenave d’Ornon, France 2 *Corresponding author: thibaut.verdenal@agroscope.admin.ch

    Context and purpose of the study ‐ Agroscope is investigating the impact of yield on nitrogen (N) partitioning in grapevine and on must composition. The mechanism of N assimilation, partitioning and 15 mobilization from the reserves is studied through foliar application of N isotope‐labelled urea over a two‐year period. The final scope is to...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ GRAPE RIPENING AND WINE STYLE: SYNCHRONIZED EVOLUTION OF AROMATIC COMPOSITION OF SHIRAZ WINES FROM HOT AND TEMPERATE CLIMATES OF AUSTRALIA
    Katja ŠUKLJE1,3, Guillaume ANTALICK1,4, Campbell MEEKS1, John BLACKMAN1,2, Alain 1,5 1,2 DELOIRE* ,Leigh SCHMIDTKE 1 National Wine and Grape Industry Centre, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia; 2 School of Agricultural and Wine Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW 2678, Australia 3 Present addresses: Agricultural Institute of Slovenia, Department of Fruit Growing, Hacquetova 17, 1000 Ljubljana, Slovenia; 4 Wine research centre, University of Nova Gorica, Glavni trg 8, 5271 Vipava, Slovenia; 5 Montpellier SupAgro‐IHEV‐BE, 2 Place Pierre Viala, 34060 Montpellier, France *Corresponding author: alain.deloire@supagro.fr

    Context and purpose of the study ‐ Grape ripening is a process driven by the interactions between grapevine genotypes and environmental factors. Grape composition is largely responsible for the production and final concentrations of most wine aroma compounds even though many compounds in wines (aromatic and non‐aromatic) are substantially tran...
  • VITIS v. CORVINA GRAPES COMPOSITION AND WINE SENSORY PROFILE AS AFFECTED BY DIFFERENT POST HARVEST WITHERING CONDITIONS 1* 1 1 2
    Diego TOMASI , L. LOVAT , T. NARDI , A. LONARDI 1 2 CREA-VE, via XXVIII Aprile, 26 - 31015 Conegliano (TV) Italy BERTANIDOMAINS, Via Asiago, 1 - 37023 Grezzana (VR) Italy *Corresponding author:diego.tomasi@crea.gov.it

    Context and purpose of the studyIn Valpolicella area (Verona – Italy) Vitis vinifera cv. Corvina is the main wine variety to obtain, after grape withering, Amarone wine: this study was carried out in order to compare two different grape dehydration conditions with the aim of verifying the final composition of Corvina dried grapes and the organol...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ SIMULATING THE IMPACT OF CLIMATE CHANGE ON GRAPEVINE BEHAVIOUR AND VITICULTURAL ACTIVITIES 1 1 2 3
    Cyril TISSOT *, Mathias ROUAN , Renan LE ROUX , Etienne NEETHLING , Laure de 4 4 4 2 5 5 RERREGUIER , Théo PETITJEAN , Cornelis van LEEUWEN , Hervé QUENOL , Irima LIVIU , Cristi PATRICHE 1 UMR 6554 CNRS LETG, Brest, France UMR 6554 CNRS LETG, Rennes, France 3 LEESA, Angers, France 4 ISVV, Villenave-d'Ornon, France 5 University of Agricultural Sciences, Iasi, Romania 2 *Corresponding author: cyril.tissot@univ-brest.fr

    Context and purpose of the study‐ Global climate change affects regional climates and hold implications for wine growing regions worldwide (Jones, 2007 and 2015; Van Leeuwen and Darriet, 2016). The prospect of 21st century climate change consequently is one of the major challenges facing the wine industry (Keller, 2010). They vary from short‐t...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ PILOTING GRAPE RIPENING IN A GLOBAL WARMING SCENARIO: FEASIBLE TECHNIQUES ARE AVAILABLE 1 1 1
    Stefano PONI , Tommaso FRIONI , Matteo GATTI 1 DIPROVES, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza (Italy) *Corresponding author: stefano.poni@unicatt.it

    Under the pressure of global warming, several wine grape growing regions around the world are increasingly suffering from advanced and compressed phenology; endangering wine character while also creating serious logistic problems. From a physiological standpoint, the issue of delaying ripening is not simple as, in several instances, only a few pro...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ AMYNDEON‐NAOUSSA: THE TWO FACES OF XINOMAVRO 1*
    Haroula SPINTHIROPOULOU 1 KIR YIANNI Giannakochori, Naoussa, Greece *Corresponding author: haroulaargatia@gmail.com

    Xinomavro is the most important indigenous red wine variety grown in Northern Greece. It participates in the production of several PGI wines in Macedonia while from 100% Xinomavro the PDO “Amyndeon” and “Naoussa” are produced. The viticultural area of Amyndeon lies in a plateau of 550 ‐700 m of altitude, in a semi‐continental climate w...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ FROM AVERAGE TO INDIVIDUAL FRUIT, A PARADIGM SHIFT FOR ACCURATE ANALYSIS OF WATER ACCUMULATION AND PRIMARY METABOLISM IN DEVELOPING BERRIES 1 2 2 2 2
    Rezk SHAHOOD , Stefania SAVOI , Antoine BIGARD , Laurent TORREGROSA , Charles ROMIEU * 1 2 General Commission for Scientific Agricultural Research, Latakia, Syria AGAP, Montpellier University, CIRAD, INRA, Montpellier SupAgro, Montpellier, France *Corresponding author: charles.romieu@inra.fr

    Context and purpose of the study ‐ Presentknowledge about grape development is mainly driven by the premise that a typical berry would follow the same kinetics as the population average, the principal challenge being to gather representative samples. In this frame, the elaboration of harvest quality directly reflects the impact of the GenotypexE...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ IMPACT OF GRAPEVINE LEAFROLL VIRUS INFECTIONS ON VINE PHYSIOLOGY AND THE BERRY TRANSCRIPTOME 1 1,2
    Markus RIENTH *, Sana GHAFFARI , Jean‐Sébastien REYNARD 3 1 2 Changins, haute ecole de viticulture et œnologie, route de Duillier 50, 1260 Nyon, Switzerland Higher Institute of Applied Biology of Medenine, Route el Djorf km 22.5, 4119 Medenine, Tunisia 3 Agroscope, route de Duillier 50, 1260 Nyon, Switzerland *Corresponding author: markus.rienth@changins.ch

    Context and purpose of the study ‐ Grapevine leafroll associated virus (GLRaV) infections deteriorate vine physiological performance and cause high losses of yield and fruit quality and are thus causing serious economic losses in the wine industry. Physiological and molecular studies on the impact of leafroll infections on plant and fruit metabo...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ GRAPE PHYLLOXERA MEETS DROUGHT: INCREASED RISK FOR VINES UNDER CLIMATE CHANGE?
    Tadeja SAVI*, Almudena GARCÍA GONZÁLEZ, Jose Carlos HERRERA, Miroslaw WIERZYK, Astrid FORNECK* University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Viticulture and Pomology, Department of Crop Sciences, Konrad Lorenz Straße 24, A-3430 Tulln. *Corresponding authors: astrid.forneck@boku.ac.at&tadeja.savi@boku.ac.at

    Context and purpose of the study ‐ Climate change is increasing the frequency and severity of drought periods leading to significant impacts on agro‐economic activities, with particular regard to viticulture. Moreover, in the last decades the wine‐making industry is further threatened by new outbreaks of grape phylloxera (Daktulosphaira viti...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ UTILIZATION OF REMOTE SENSING TECHNOLOGY TO DETECT RIESLING VINEYARD VARIABILITY 1* 1 1 2 1
    Andrew REYNOLDS , Briann DORIN , Hyun‐Suk LEE , Adam SHEMROCK , Ralph BROWN , 1 Marilyne JOLLINEAU 1 2 Brock University, 1812 Sir Isaac Brock Way, St. Catharines, ON L2S 3A1, Canada AirTech UAV Solutions INC. 1071 Kam Ave, Inverary, ON K0H 1X0, Canada *Corresponding author:areynolds@brocku.ca

    Context and purpose of the study – Vineyard blocks can vary spatially with respect to several viticulturally significant qualities such as soil variables, vine vigor, vine physiology, yield components, and berry composition. The ability to detect this variation enables the application of precision viticulture, whereby intra‐vineyard variabilit...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ FIRMNESS OF THE GRAPES. MECHANICAL TESTS AND DEFINITION OF INDICES. STUDY OF THE EVOLUTION OF BERRY SKIN RESISTANCE DURING ALCOHOLIC FERMENTATION
    Abbal, PHILIPPE1*, Céline PONCET LEGRAND1, Stephanie CARILLO1, Magali BES3, Marie Agnès 4 2 2 DUCASSE , Elissa.ABI‐HABIB , Aude VERHNET 1 INRA, UMR SPO 2, Place viala, 34060 Montpellier Cedex 2 SupAgro, 2, Place viala, 34060 Montpellier Cedex 3 INRA, UMT Minicave, UE Pech Rouge, 11430 Gruissan 4 IFV, UMT Minicave, Domaine de Pech Rouge, 11430 Gruissan *Corresponding author:philippe.abbal@inra.fr

    Context and purpose of the study: The mechanical strength or firmness of a fruit is considered an important parameter to characterize its state of maturity or conservation, as other parameters such as sugar level or color. The mechanical resistance of grapes influences the integrity and sanitary quality of the harvest. In this study, the mechanica...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ THE TEMPERATURE‐BASED GRAPEVINE SUGAR RIPENESS (GSR) MODEL FOR ADAPTING A WIDE RANGE OF VITIS VINIFERA L. CULTIVARS IN A CHANGING CLIMATE 1* 2 3
    Amber K. PARKER , Inaki GARCÍA DE CORTÁZAR‐ATAURI , Laurence GÉNY , Jean‐Laurent 4 5 6 6 7 8 SPRING , Agnès DESTRAC , Hans SCHULTZ ,Manfred STOLL , Daniel MOLITOR , Thierry LACOMBE , 9 10 11 12 1 Antonio GRACA , Christine MONAMY , Paolo STORCHI , Mike TROUGHT , Rainer HOFMANN , Cornelis 5 VAN LEEUWEN 1 Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, PO Box 85084, Lincoln University, Lincoln 7647, Christchurch, New Zealand 2 Institut National de la Recherche Agronomique (INRA), US 1116 AGROCLIM, F-84914 Avignon, France 3 Institut des Sciences de la Vigne et du Vin, Université de Bordeaux, Unité de Recherche Oenologie EA 4577 - USC 1366 INRA, 210 chemin de Leysotte - CS 50008, 33882 Villenave d'Ornon cedex 4 Agroscope, Av. de Rochettaz 21,1009 Pully, Switzerland 5 EGFV, Bordeaux Sciences Agro, INRA, Univ. Bordeaux, ISVV, 33883 Villenave d’Ornon, France 6 Hochschule, Giesenheim University, Von-Lade-Straße 1, D-65366 Geisenheim 7 Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department 41, rue du Brill, L-4422 Belva, Luxembourg 8 Institut NationaldelaRechercheAgronomique(INRA),AGAP,UnivMontpellier,CIRAD, INRA, MontpellierSupAgro,2 place Viala,F-34060Montpellier,France 9 Sogrape Vinhos S.A., R. 5 de Outubro 558, 4430-809 Avintes, Portugal 10 Bureau Interprofessionnel des Vins de Bourgogne – BIVB, 12 boulevard Bretonnière, 21200, Beaune, France 11 CREA – Centro di ricerca Viticoltura ed Enologia, Viale Santa Margherita 80 52100 – Arezzo, Italy 12 The New Zealand Institute for Plant and Food Research Limited, Blenheim 7240, New Zealand, Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, PO Box 85084, Lincoln University, Lincoln 7647, Christchurch, New Zealand *Corresponding author: amber.parker@lincoln.ac.nz

    Context and purpose of the study ‐ Temperatures are increasing due to climate change leading to advances in grapevine phenology and sugar accumulation in grape berries. This study aims (i) to develop a temperature‐based model that can predict a range of target sugar concentrations for various cultivars of Vitis vinifera L and (ii) develop exte...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ DISEASE‐INDUCED ALTERATIONS IN THE REFLECTANCE SPECTRUM OF GRAPE LEAVES
    Pâmela PITHAN1, Lucas GARRIDO3, Diniz ARRUDA 1, Adriane THUM1,2,Rosemary HOFF3, Jorge DUCATI1* 1 Universidade Federal do Rio Grande do Sul, Av. Bento Goncalves 9500, 91501-970 Porto Alegre, Brazil 2 Universidade do Vale do Rio dos Sinos, Av. Unisinos 950, 93020-190 São Leopoldo, Brazil 3 Empresa Brasileira de Pesquisa Agropecuária, R. Livramento 515, 95701-008 Bento Gonçalves, Brazil *Corresponding author:ducati@if.ufrgs.br

    Context and purpose of the study ‐ Phytopathogenic diseases impact the development and yield of grapevines, resulting in economical, social and environmental losses. Sick plants have their metabolism changed, leading to alterations in their reflectance spectra. Little is known on these alterations, and a better knowledge could be used in the dev...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ COLORED HAIL‐NETS AS A TOOL TO IMPROVE VINE WATER STATUS: EFFECTS ON LEAF GAS EXCHANGE AND BERRY QUALITY IN ITALIA TABLE GRAPE
    Laura de PALMA1*, Patrizio LIMOSANI1, Vittorino NOVELLO2 1 2 University of FOGGIA-SAFE, Via Napoli 25, I-71122, Foggia, Italy University of Turin-DiSAFA, Largo Braccini 2, I-10095, Grugliasco (TO), Italy *Corresponding author: laura.depalma@unifg.it

    Context and purpose of the study ‐ Protecting table grape vineyards with white hail‐nets is a common practice in Southern Italy. Hail‐nets result in shading effects of 10‐20%, depending on their density and type of weave, thus they act as a low shading nets and modify the vineyard microclimate. Darker nets are more opaque to solar radiatio...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ EVALUATION OF VINEYARDS, FRUIT AND WINE AFFECTED BY WILD FIRE SMOKE 1* 1 2
    Glenn MCGOURTY , Michael I. JONES , Anita OBERHOLSTER , Ryan KEIFFER 1 1 University of California Cooperative Extension Mendocino County, 890 North Bush Street, Ukiah, Ca. 95482 2- University of California Davis Department of Viticulture and Enology, Davis,California, 95616 *Corresponding Author:gtmcgourty@ucanr.edu

    Context and purpose of study ‐ Wineries may randomly reject fruit from vineyards near wild fires exposed to smoke. It is difficult to determine if fruit has been compromised in quality when exposed to smoke, and whether or not smoke taint flavors will result when fruit is fermented into wine. Phenolic smoke compounds bind with sugars in the frui...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ EXPLORING THE FACTORS AFFECTING SPATIO‐TEMPORAL VARIATION IN GRAPEVINE POWDERY MILDEW
    Romane MELYON‐DELAGE1, Benjamin BOIS2, Sébastien ZITO2, Mario REGA2, Guillaume GARIN1, Amelia CAFFARRA1 1 2 itk, Cap Alpha, Avenue de l’Europe, 34830 Clapiers, France CRC, Biogéoscience, Université de Bourgogne Franche Comté, 2 Bld Gabriel, 21000 Dijon, France *Corresponding author:amelia.caffarra@itk.fr

    Context and purpose of the study ‐ The spatial distribution of powdery mildew is often heterogeneous between neighboring plots, with higher disease pressure in certain places that can be considered as disease “hotspots”. The position of hotspots can vary over the years, even if some plots consistently present a higher vulnerability over time...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ IMPROVED VINEYARD SAMPLING EFFICIENCY USING AERIAL NDVI
    Jim MEYERS1, Nick DOKOOZLIAN2, Casey RYAN2, Cella BIONI2, Justine VANDEN HEUVEL1 1 Horticulture Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853 and Geneva, NY 14456 2 Viticulture, Chemistry and Enology, E&J Gallo Winery, 600 Yosemite Blvd., Modesto, CA 95354 *Corresponding author: Justine@Cornell.edu

    Context and purpose of the study ‐ Random sampling is often considered to be the best protocol for fruit sampling because it is assumed to produce a sample that best represents the vineyard population. However, the time and effort in collecting and processing large random samples can be cost prohibitive. When information about known field variab...