837 articles
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ GREFFADAPT: A RELEVANT EXPERIMENTAL VINEYARD TO SPEED UP THE SELECTION OF GRAPEVINE ROOTSTOCKS 1 1 1 1
    Elisa MARGUERIT *, Loïc LAGALLE , Maria LAFARGUE , Jean‐Pascal TANDONNET , Jean Pascal GOUTOULY1, Isabelle BECCAVIN2, Marilyne ROQUES2, Laurent AUDEGUIN2 and Nathalie OLLAT1. 1 UMR EGFV, Bordeaux Sciences Agro, INRA, University of Bordeaux, ISVV, 210 Chemin de Leysotte, F33882 Villenave d’Ornon, France 2 Institut Français de la Vigne et du Vin, Pôle National Matériel Végétal, F-30240 Le Grau du Roi, France *Corresponding author: elisa.marguerit@agro-bordeaux.fr

    th Context and purpose of the study ‐ Grapevine is grown as a grafted plant since the end of the 19 century. The large majority of rootstocks were selected at this period. Among the large diversity of existing rootstocks, few of them are commercially used in the vineyard. However, rootstocks could be considered as a relevant way of adaptation to...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ A FEW OBSERVATIONS ON DOUBLE SIGMOID FRUIT GROWTH
    Mark MATTHEWS Dept. of Viticulture and Enology, Univ. California-Davis, Davis, CA 95616 Corresponding author: mamatthews@ucdavis.edu

    Context and purpose ‐ Many fleshy fruit, including the grape berry, exhibit a double‐sigmoid growth (DSG) pattern. Identification of the curious DSG habit has long been attributed to Connors’ (1919) work with peaches. Connors’ description of a three‐stage pattern consisting of two growth stages (Stage I and Stage III) separated by a rest...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ UTILITY OF LEAF REMOVAL TIMING AND IRRIGATION AMOUNTS ON GRAPE BERRY FLAVONOIDS UNDER CLIMATE CHANGE
    Johann MARTíNEZ‐LUSCHER1 , Constance Cunty2, Luca BRILLANTE3, Runze Yu1, Gregory 2 1* Gambetta , S. Kaan KURTURAL 1 2 Univeristy of California Davis 1 Shields Ave. Davis, CA 95616 USA UMR EGFV ISVV, 210 Chemin de Leysotte - CS 50008 33882 Villenave d'Ornon Cedex, France 3 California State University Fresno 2360 E. Barstow Ave. Fresno, CA 93704 USA *Corresponding author: skkurtural@ucdavis.edu

    Context and purpose of the study – The dormant and growing season temperatures in California USA have been increasing with more clear sky days. A consequence increasing temperatures and clear sky days is water deficit conditions. Viticulturists must determine appropriate balances of canopy management and irrigation budgeting to produce suitable ...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ CHANGES IN FLAVONOL PROFILE ARE A RELIABLE INDICATOR TO ASSESS THE EXPOSURE OF RED GRAPE BERRIES TO SOLAR RADIATION AND CANOPY ARCHITECTURE
    Johann MARTÍNEZ‐LÜSCHER1*, Luca BRILLANTE 2,3, S. Kaan KURTURAL 1 1 2 Department of Viticulture and Enology University of California, Davis, U.S.A. Department of Viticulture and Enology California State University, Fresno, U.S.A. *Corresponding author: jdmar@ucdavis.edu

    Context and purpose of the study ‐ Exposure to solar radiation affects berry composition through photomorphogenesis or changes in temperature. Flavonol synthesis is upregulated by UV‐B radiation leaving a fingerprint on flavonol profile. This study aimed to test the factors affecting flavonol accumulation and profile and their potential as an ...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ EVALUATION OF THE AGRONOMIC PERFORMANCE OF CVS. SYRAH AND TEMPRANILLO WHEN GRAFTED ON A NEW SERIES OF ROOTSTOCKS DEVELOPED IN SPAIN
    Diana MARÍN1*, Rafael GARCÍA2, Javier ERASO2, Jorge URRESTARAZU1, Carlos MIRANDA1, José Bernardo ROYO1, Francisco Javier ABAD1,3, Luis Gonzaga SANTESTEBAN1 1 Dept. of Agronomy, Biotechnology and Food Science, Univ. Pública de Navarra, Campus Arrosadia, 31006 Pamplona, Navarra, Spain 2 Vitis Navarra Nursery, Carretera Tafalla km 18, 31251 Larraga, Navarra, Spain 3 INTIA, Edificio de Peritos Avda. Serapio Huici nº 22, 31610, Villava, Spain *Corresponding author: diana.marin@unavarra.es

    Context and purpose of the study ‐ The choice of an adequate rootstock is a key tool to improve the performance of grapevine varieties in different ‘terroirs’, as rootstocks confer adaptation to soil characteristics such as salinity, acidity, lime content or drought. Moreover, it is well‐known that rootstocks also have a significant influe...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ EARLY DETECTION PROJECT – MAKE A GTD INFECTION VISIBLE WITHOUT DISEASE SYMPTOMS 1* 2 1 1
    Szabina LENGYEL , Randall E. GOLD , Jochen FISCHER , Alexander YEMELIN , Eckhard THINES1, Annett KÜHN2 1 Institut für Biotechnologie und Wirkstoff-Forschung gGmbH, Erwin-Schrödinger-Straße 56, D-67663 Kaiserslautern, Germany 2 BASF SE, Agricultural Center, Speyerer Straße 2, D-67117 Limburgerhof, Germany *Corresponding author:lengyel@ibwf.de

    Context and purpose of the study ‐ The presence of grapevine trunk diseases (GTDs) related pathogens leads to severe economic losses in wine‐growing regions all over the world. GTDs cause foliar discoloration, stunted growth, decline, sectorial and/or central necrosis of the trunk wood, and dieback, while the quality and the quantity of the gr...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ IS EARLY DEFOLIATION A SUSTAINABLE MANAGEMENT PRACTICE FOR MEDITERRANEAN VINEYARDS? CASE STUDIES AT THE PORTUGUESE LISBON WINEGROWING REGION 1* 1 2 2
    Carlos M. LOPES , Marta VENDEIRO, Ricardo EGIPTO , Olfa ZARROUK , M. Manuela CHAVES 1 LEAF, Instituto Superior de Agronomia, Universidade de Lisboa, Portugal 2 Instituto de Tecnologia Química e Biológica, Oeiras, Portugal *Corresponding author: carlosmlopes@isa.ulisboa.pt

    Context and purpose of the study ‐ Recently early defoliation (ED) has been tested in several high‐ yielding grapevine varieties and sites aiming at reducing cluster compactness and hence, regulating yield and susceptibility to botrytis bunch rot infection. The reported results have been generally positive, encouraging growers to use this cano...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ DATA MINING APPROACHES FOR TIME SERIES DATA ANALYSIS IN VITICULTURE. POTENTIAL OF THE BLiSS (BAYESIAN FUNCTIONAL LINEAR REGRESSION WITH SPARSE STEP FUNCTIONS) METHOD TO IDENTIFY TEMPERATURE EFFECTS ON YIELD POTENTIAL
    Cécile LAURENT1,2,3,* Meïli BARAGATTI4, James TAYLOR1, Bruno TISSEYRE1, Aurélie METAY2, Thibaut 3 SCHOLASCH 1 2 ITAP, Univ. Montpellier, Montpellier SupAgro, Irstea, France SYSTEM, Univ Montpellier, CIHEAM-IAMM, CIRAD, INRA, Montpellier SupAgro, France 3 Fruition Sciences, Montpellier, France 4 MISTEA, Univ Montpellier Montpellier SupAgro, INRA, France *Corresponding author : cecile@fruitionsciences.com

    Context and purpose of the study – Vine development, and hence management, depends on dynamic factors (climate, soil moisture, cultural practices etc.) whose impact can vary depending upon their temporal modalities (timing, duration, threshold, eventually trajectory and memory effects). Therefore, understanding the effect of the temporal variati...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ IMPACT OF CROP LOAD MANAGEMENT ON TERPENE CONTENT IN GEWÜRZTRAMINER GRAPES 1 1 1
    Yevgen KOVALENKO , Ricco TINDJAU , Simone Diego CASTELLARIN 1. Wine Research Centre, The University of British Columbia, 2205 East Mall, Vancouver, BC, V6T0C1, Canada *Corresponding author:simone.castellarin@ubc.ca

    Context and purpose of the study ‐ Crop load management by cluster thinning can improve ripening and the concentration of key metabolites for grape and wine quality. However, little work has been done on testing the impact of crop load management on terpene content of white grapes. The goal of the study was to assess if by reducing crop load via...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ HARVEST DATES – TEMPERATURE RELATIONSHIPS AND THERMAL REQUIREMENTS OF WINEGRAPE VARIETIES IN GREECE: OBSERVED AND FUTURE CLIMATE RESPONSES 1* 1 2
    Georgios C.KOUFOS , Theodoros MAVROMMATIS , Stefanos KOUNDOURAS , Gregory V. 3 JONES 1 Department of Meteorology and Climatology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece 2 Laboratory of Viticulture, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece 3 Center for Wine Education, Linfield College, McMinnville, Oregon, USA. * Corresponding author: gckoufos@gmail.com

    Context and purpose of the study ‐ Air temperature is arguably one of the most decisive factors for winegrape varieties developmental cycle, ripening potential and yield. Taking into account that predicted future warmer conditions will possibly impose challenges in global viticulture, it is of outmost importance to understand the adaptive capaci...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ MONITORING OF RIPENING AND YIELD OF VINEYARDS IN NEMEA REGION USING UAV
    Ioannis KATSIKIS 1*, Dionissios KALIVAS1*, Georgios KOTSERIDIS2*, Maria Ioanna XENIA 2* 1 AUA Department of Natural Resources Management & Agricultural Engineering, Laboratory of Soil Science and Agricultural Chemistry, G.I.S. Research Group, Athens, Greece 2 AUA Department of Food Science & Human Nutrition, Laboratory of Oenology and Alcoholic Beverages, Athens, Greece *Corresponding author: maria.ioannaxenia@gmail.com

    Context and purpose of the study ‐ Nemea region is the largest POD zone in Greece. Agiorgitiko (Vitis Vinifera L. cv.) is the most cultivated variety in Greece with significant wine potential. Due to the extension of the area there is a great variability of soil content and climatic conditions. Seven vineyards in the POD zone were selected and m...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ STAYING HYDRATED – NOT EASY WHEN IT’S HOT! 1* 1 1 1,2
    Markus KELLER , Joelle MARTINEZ , Esther HERNÁNDEZ‐MONTES , Yun ZHANG , Ben‐Min CHANG1 Irrigated Agriculture Research and Extension Center, Washington State University, 24106 N. Bunn Road, Prosser, WA 99350, USA 2 Ste. Michelle Wine Estates, 660 Frontier Road, Prosser, WA 99350, USA *Corresponding author: mkeller@wsu.edu

    Context and purpose of the study – Heat and drought episodes during the growing season are becoming more frequent and more severe in many of the world’s grape‐growing regions. However, the responses of grapevines to a combination of these stress factors are incompletely understood, which hampers the implementation of deficit irrigation and h...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ THE “SEMI‐MINIMAL” PRUNED “HEDGE” SYSTEM FOR GRAPE VINES LONG TERM EXPERIENCE ON CV. SANGIOVESE (Vitis vinifera L.)
    Cesare INTRIERI, Ilaria FILIPPETTI, Gianluca ALLEGRO, Gabriele VALENTINI, Chiara PASTORE, Emilia COLUCCI Dipartimento di Scienze e Tecnologie Agroalimentari- Università di Bologna Corresponding Author: cesare.intrieri@unibo.it

    Context and purpose of the study ‐ In previous experiments carried out in Bologna on Sangiovese grapevines raised with the Australian “Minimal Pruning” system, it has been shown that this system left an excessive burden of buds on the vine (650/meter of row) and inhibited the plant from correctly activating its physiologic self‐regulating ...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ THE STATE OF THE CLIMATE 1 1
    Gregory V. JONES Center for Wine Education, Linfield College, 900 SE Baker St, McMinnville, Oregon, USA *Corresponding author: gjones@linfield.edu

    Context and purpose of the study The climate has warmed over the past century or more bringing about changes in numerous aspects in both earth and human systems. One of these systems, agriculture, is strongly influenced by climate, which largely determines what type, where, and how crops can be grown. Within agriculture, growing grapes and wine pr...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ SEASONAL VINE NUTRIENT DYNAMICS AND DISTRIBUTION OF SHIRAZ GRAPEVINES 1 ,2*
    Bruno HOLZAPFEL 1 1 , Jason SMITH and Stewart FIELD 3 National Wine and Grape Industry Centre, Wagga Wagga, New South Wales 2678, Australia 2 NSW Department of Primary Industries, Wagga Wagga, New South Wales 2678, Australia 3 Nelson Marlborough Institute of Technology, Blenheim 7240, New Zealand *Corresponding author: bruno.holzapfel@dpi.nsw.gov.au

    Context and purpose of the study ‐ The nutrient reserves in the grapevine perennial structure perform a critical role in supplying the grapevine with nutrients when demand cannot be meet by root uptake. The seasonal changes in these reserves largely depend on the developmental stage and the associated growth requirements of grapevines. These sto...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ RESPONSE OF SHIRAZ/101‐14 MGT TO IN‐ROW VINE SPACING
    J.J. HUNTER1, M. BOOYSE2, C.G. VOLSCHENK1 1 ARC Infruitec-Nietvoorbij, Private Bag X5026, Stellenbosch, South Africa 2 ARC Biometry, Private Bag X5026, Stellenbosch, South Africa Corresponding author: hunterk@arc.agric.za

    Context and purpose of the study ‐ Knowledge of vine reaction to plant spacing under high potential soil conditions is restricted. This study was done to determine effects of vine spacing (with fixed row spacing) of Shiraz/101‐14 Mgt on a high potential soil on vine physiological reaction, growth, yield and grape composition. The study is targ...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ CHARACTERIZATION OF DIFFERENT CLONE CANDIDATES OF XINOMAVRO ACCORDING TO THEIR PHENOLIC COMPOSITION
    Evelina IGGOUMENAKI1, 2, Sofoklis PETROPOULOS1, Doris RAUHUT2, Konstantinos BAKASIETAS3, 1 1* Yiorgos KOTSERIDIS , Stamatina KALLITHRAKA 1 Laboratory of Enology, Department of Food Science and Technology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece. 2 Hochshule Geisenheim University, Department of Microbiology and Biochemistry, Von-Lade-Str. 1, 65366, Geisenheim. 3 Hellenifera, VNB Bakasietas Vine Nursery, Leontio, Nemea, 20500, Corinth. *Corresponding Author: stamatina@aua.gr

    Context and purpose of the study ‐ The aim of this study is the examination of wines of 9 different clones of a Greek grape variety Xinomavro, (ΧE1, X19, X22, X28, ΧE2 X30, X31, X35, X36, X37), with regards to their phenolic and anthocyanin content and chemical composition. Material and methods ‐ Grapes were collected in vintage 2016, from a...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ SENSITIVITY OF VIS‐NIR SPECTRAL INDICES TO DETECT NITROGEN DEFICIENCY AND CANOPY FUNCTION IN CV. BARBERA (VITIS VINIFERA L.) GRAPEVINES 1,2*
    Matteo GATTI 1 1,2 1 1 1,2 , Alessandra GARAVANI , Alberto VERCESI , Cecilia SQUERI , Michele CROCI , 2 2 1,2 Ferdinando CALEGARI , Massimo VINCINI , Stefano PONI DIPROVES Università Cattolica del Sacro Cuore, Via E. Parmense 84, I-29122 Piacenza, Italy 2 CRAST Università Cattolica del Sacro Cuore, Via E. Parmense 84, I-29122 Piacenza, Italy *Corresponding author: matteo.gatti@unicatt.it

    Context and purpose of the study ‐ Precision nutrient management in viticulture can be addressed on the basis of a spatial characterization of within‐vineyard vine nutritional status derived from proximal or remote spectral observations. However, a key challenge is the discrimination between mineral deficiencies and water stress related issues...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ EXPLORING THE PLASTICITY OF THE GRAPEVINE DROUGHT PHYSIOLOGY 1* 2 1 3 2
    Jose Carlos HERRERA , Katja ŠUKLJE , Stefania SAVOI , Alberto CALDERAN , Lorena BUTINAR , Enrico PETERLUNGER3, Giorgio ALBERTI3, Paolo SIVILOTTI3, Astrid FORNECK1 1 Universität für Bondenkultur (BOKU), Institute of Viticulture and Pomology, Konrad‐Lorenz Str. 24, 3430 Tulln, Austria 2 University of Nova Gorica, Wine Research Centre, Glavni trg 8, 5271 Vipava, Slovenia 3 University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, via delle Scienze 206, 33100 Udine, Italy *Corresponding author: jose.herrera@boku.ac.at

    Context and purpose of the study ‐ Grapevine response to water deficit has been extensively studied. Nevertheless, debate still exists regarding some physiology adoption under drought, e.g. vulnerability to cavitation or iso‐anisohydric classification, among others. Discrepancies between published results, other than specific experimental setu...
  • 21st GiESCO International Meeting: ‘A Multidisciplinary Vision towards Sustainable Viticulture’ HEAT WAVES AND DROUGHT STRESS IMPACT GRAPEVINE GROWTH AND PHYSIOLOGY 1 1,2 1
    Esther HERNÁNDEZ‐MONTES , Yun ZHANG , Noorani BARKAT , Markus KELLER 1 1* Irrigated Agriculture Research and Extension Center, Washington State University, 24106 N. Bunn Road, Prosser, WA 99350, USA 2 Ste. Michelle Wine Estates, 660 Frontier Road, Prosser, WA 99350, USA *Corresponding author: mkeller@wsu.edu

    Context and purpose of the study – Recurring heat and drought episodes during the growing season can produce adverse impacts on grape production in many wine regions around the world. Although the effect of these factors on plant physiology and growth has been investigated separately, little is yet known about their interactions and the variabil...