M.Isabel MOENNE , Ricardo RODRIGUEZ , Juan CURY , Miguel RENCORET 1 1 VSPT Wine Group, Avenida Vitacura 2670 Piso 16, Santiago, Chile *Corresponding author: mmoenne@vsptwinegroup.com

Context and purpose of the study – Temperature is a relevant parameter during vineyard development, affecting vine phenology and grape maturity. Moreover, the climate of the different Chilean valleys influences the varieties cultivated, the ripening period and the final quality of the wines. The use of growing degree days (GDD) is known worldwid...

Dimitrios-Evangelos MILLIORDOS1, Εvaggelia NANOU1, Nikolaos KONTOUDAKIS1 , Yorgos 1 KOTSERIDIS 1 Agricultural University of Athens, Department of Food Science and Human Nutrition, Oenology Laboratory. Corresponding author: dim.miliordos@gmail.com

Context and purpose of the Study- . Grapes development is determined by grape cultivar and vineyard climatic conditions and consequently affecting the phenolic and aroma on grapes and wines. Abscisic Acid (ABA) plays a key role in the promotion of fruit ripening and fruit anthocyanin content. Herein, we report the impact of ABA to grape ripening a...

Cláudia Brazil MARQUES1 *, Paulo César do NASCIMENTO2, kelly Lissandra BRUCH³, João Armando 4 DESSIMON 1 Universidade Federal do Rio Grande do Sul- UFRGS- Departamento de Pós-Graduação Doutorado em Agronegócios- CEPAN- Av. Bento Gonçalves, 7712 - CEP 91540-000 - Porto Alegre - RS – Brasil. 2 Universidade Federal do Rio Grande do Sul, Faculdade de Agronomia, Departamento de Solos. Av. Bento Gonçalves, 7712 Agronomia. 91540000 - Porto Alegre, RS – Brasil 3 Universidade Federal do Rio Grande do Sul, Faculdade de Direito. Avenida João Pessoa, 80- Centro Histórico. 90040000 - Porto Alegre, RS – Brasil 4 Universidade Federal do Rio Grande do Sul, Faculdade de Ciências Econômicas, Departamento de Ciências Econômicas. Av. João Pessoa, 31 - Sala 11- Centro- 90040-000 - Porto Alegre, RS - Brasil Corresponding author: cbmarque@yahoo.com.br

Context and purpose of the study - The cultivation of grapes, can be accomplished with the use of different systems and practices of agricultural management, the choice of the system to be followed in the vineyard, depends on the conditions of available resources, these being: natural, economic, social, cultural and territorial. As well, it is rel...

Margaret MCCOY1, Gwen HOHEISEL2, Lav KHOT3, Michelle MOYER1 1 Dept. of Horticulture, WSU IAREC, 24106 N Bunn Road,Prosser, Washington, USA 2 Dept. of Extension, WSU IAREC, 24106 N Bunn Road,Prosser, Washington, USA 3 Dept. of Biological Systems, Engineering WSU IAREC, 24106 N Bunn Road,Prosser, Washington, USA

Context and purpose of the study - In-season vineyard pest management relies on proper timing, selection, and application of products. Most of the research on pest management tends to focus on the influence of regional conditions on these aspects, with an emphasis on product timing and efficacy evaluation. One aspect that is not fully vetted in va...

Maria METAFA1, Sofoklis PERTOPOULOS2,4, Yorgos KOTSERIDIS 2, Stefanos KOUNDOURAS3, 1,2 4 2* Athanasios PANAGIOTOPOULOS , Konstantinos BAKASIETAS , Stamatina KALLITHRAKA 1 Institute of Technology of Agricultural Products, Hellenic Agricultural Organization – DEMETER (ELGODEMETER, S. Venizelou 1, Lykovrissi 14123, Greece. 2 Laboratory of Enology, Department of Food Science and Technology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece. 3 Laboratory of Viticulture, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece. 4 Hellenifera, VNB Bakasietas Vine Nursery, Leontio, Nemea, 20500, Corinth *Corresponding author: stamatina@aua.gr

Context and purpose of the study: It is well documented that varietal aroma is an important parameter of wine quality. Chemical compounds responsible for wine varietal aroma are sourced from secondary grape metabolites. Until today little research is conducted on the influence of vine clone on the grape aromatic content of Greek grape varieties. X...

Athanasia MANDOULAKI¹, Ioannis VOGIATZAKIS2 , Menelaos STAVRINIDES1* 1 Cyprus University of Technology, 3036 Limassol, Cyprus 2 Open University of Cyprus, 2252 Nicosia, Cyprus *Corresponding author:m.stavrinides@cut.ac.cy

Context and purpose of the study - Intensification is considered one of the major drivers of biodiversity loss in farmland. The more intensive management practices that have been adopted the last decades, contributed to species declines from all taxonomic groups. Moreover, agricultural intensification has led to an important change of land use. Co...

Joelle MARTINEZ*, Markus KELLER Irrigated Agriculture Research and Extension Center, Washington State University, Prosser, WA, USA *Corresponding author: mkeller@wsu.edu

Context and purpose of the study - The interest in understanding the water balance of terrestrial plants under drought has led to the creation of the isohydric/anisohydric terminology. The classification was related to an implication-driven framework, where isohydric plants maintain a constant and high leaf water potential through an early and int...

David MAGHRADZE , Osvaldo FAILLA , Roberto BACILIERI , Gabriella DE LORENZIS , Piero Attilio BIANCO2, Silvia TOFFOLATTI2, Rafael OCETE RUBIO4 1 Georgian Technical University (GTU), Tbilisi, Georgia Department of Agricultural and Environmental Sciences, University of Milan, Italy 3 INRA, Montpellier SupAgro, Génétique de la Vigne, Montpellier, France 4 Laboratorio de Entomologia Aplicada, Universidad de Sevilla, Spain 2 *Corresponding author: david.maghradze@gtu.ge

Context and purpose of the study - Grapevine Vitis vinifera L. is a leader perennial crops for the Republic of Georgia, the South Caucasus. This is a region where the first wine making practice was initiated 8.000 years ago (McGovern et al. 2017) and a spot of grape domestication. The country of Georgia holds 525 local and more than 60 breeding va...

Eve LAROCHE PINEL1,2,3*, Sylvie DUTHOIT1, Anne COSTARD1, Jacques ROUSSEAU4, Véronique 2,3 2,3 CHERET , Harold CLENET 1 TerraNIS, 12 Avenue de l’Europe, F-31520 Ramonville Saint-Agne, France Ecole d’Ingénieurs de PURPAN, 75 voie du TOEC, F-31076 Toulouse, France 3 UMR 1201 DYNAFOR, INRA / Toulouse INP, 24 chemin de Borderouge 31326 Castanet Tolosan Cedex 4 Institut Coopératif du vin, La Jasse de Maurin, F-34970 Montpellier, France 2 *Corresponding author:eve.laroche-pinel@terranis.fr

Context and purpose of the study - Currentenvironmental, ecological and economic issues require a better vineyard production management. In fact, a poor use of fertilizing could lead to harmful impact on environment. Another issue concerns the cultures themselves which couldn’t use fertilizers efficiently, leading to a loss of income or too much...

J.J. HUNTER, C.G. VOLSCHENK ARC Infruitec-Nietvoorbij, Private Bag X5026, Stellenbosch, South Africa Corresponding author: hunterk@arc.agric.za

Context and purpose of the study - Advanced knowledge on grapevine row orientation is required to improve establishment, management and outcomes of vineyards on terroirs with different environmental conditions (climate, soil, topography) and in view of a future change to more extreme climatic conditions. The purpose of this study was to determine ...

Maximilian LÖSCH1*, Barbara RAIFER1 , Aldo MATTEAZZI2 2 1 Institute for fruit Growing and Viticulture, Laimburg Research Centre, Laimburg 6, 39040 Auer, Italy Institute for Agrochemistry and Food Quality, Laimburg Research Centre, Laimburg 6, 39040 Auer, Italy *Corresponding author: maximilian.loesch@laimburg.it

Context and purpose of the study – The usage of pyrogenic carbon (or biochar) to change the chemical and physical properties of agricultural soil has been carried out since many centuries. In the South Tirol region in northern Italy wood gasification plants are used for mainly district heating purposes and generate a fair amount (1.300 t/year) o...

Maria KYRALEOU1, Stamatina KALLITHRAKA1, Eugenia GKANIDI1, Stefanos KOUNDOURAS2 1 Department of Food Science & Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece 2 Laboratory of Viticulture, School of Agriculture, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece *Corresponding author: mkyraleou@aua.gr

Context and purpose of the study – Phenolic compounds are located in skins and seeds and are responsible for important sensory and quality attributes of red grapes and wines, such as astringency, bitterness and colour. However, little is known regarding Greek varieties.The aim of this study is to evaluate the grape phenolic content and to presen...

Yevgen KOVALENKO1, Ricco TINDJAU1, Simone Diego CASTELLARIN1 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 - Deficit irrigation is a viticultural practice often applied to improve the phenolic composition of red grapes and wines. However, the impact of this practice on grape terpenes – key aromatics for several grapes and wines – remains largely unknown. This study investigated the impact of deficit irrigation strat...

Jose Carlos HERRERA1*, Robin KNÖBL1, Gregor WIEDESCHITZ1, Christa FEHRINGER1, Christoph GABLER2, Erhard KÜHRER2, Astrid FORNECK1 1 BOKU University, Institute of Viticulture and Pomology, Konrad-Lorenz Str. 24, A-3430 Tulln 2 Wein- und Obstbauschule Krems, Wienerstraße 101, A-3500 Krems *Corresponding author: jose.herrera@boku.ac.at

Context and purpose of the study – Occurrence of freezing temperatures in early spring when grapevine shoots are developing is termed late frost in viticulture. Young green tissues are very sensible to temperatures below zero and damages often lead to important yield and quality losses such as the case in Europe in 2017. An indirect method to av...

Bruno HOLZAPFEL1 ,2* and Jason SMITH1 1 National Wine and Grape Industry Centre, Wagga Wagga, New South Wales 2678, Australia New South Wales Department of Primary Industries, Wagga Wagga, New South Wales 2678, Australia 2 *Corresponding author: bruno.holzapfel@dpi.nsw.gov.au

Context and purpose of the study - Nitrogen (N) supply strongly influences vine productivity and berry composition, matching availability and uptake requirements of vines during the growing season is essential to optimize vine nutrition. The nutritional status of grapevines is commonly assessed by the determination of petiole nutrient concentratio...

J E HOFFMANand J L van ZYL Department of Soil Science, Stellenbosch University, Stellenbosch, 7602, Republic of South Africa *Corresponding author: ehoffman@sun.ac.za

Context and purpose of study - Grapevine yield and wine quality are dependent on good quality vegetative growth and root development. Soils that restrict proper grapevine root development, together with the high cost of establishing a new vineyard, require effective soil preparation to sustain productive vineyards for 25 years. This study reviews ...

Chris HACKING , Nitesh POONA , Nicola MANZAN , Carlos POBLETE-ECHEVERRÍA * 1 Department of Geography and Environmental Studies, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa 2 Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Via delle Scienze 208, Udine, Italy 3 Department of Viticulture and Oenology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa *Corresponding author: cpe@sun.ac.za

Context and purpose of the study - Yield monitoring can provide the winegrowers with information for precise production inputs during the season, thereby, ensuring the best possible harvest. Yield estimation is currently achieved through an intensive process that is destructive and time-consuming. However, remote sensing provides a group of proxim...

María L. GONZÁLEZ-SANJOSÉ1*, Vicente D. GÓMEZ-MIGUEL2 1 Dpto of Biotechnology and Food, Science, Burgos University, Plaza Misael Bañuelos s/n, 09001 Burgos 2 Universidad Politécnica de Madrid; c/ Puerta de Hierro, 2; 28040-Madrid, Spain *Corresponding author:marglez@ubu.es

Introduction: The European Landscape Convention (ELC, 2001) defined the landscape as the "part of a territory as perceived by the population and resulting from the action of natural and/or human factors and their interrelationships". Wine landscapes, protected or not under figures such as cultural landscapes or Cultural heritage, are a clear demon...

Silvia GUGOLE, Roberto ZANZOTTI, Daniela BERTOLDI, Enzo MESCALCHIN Fondazione Edmund Mach, 1 Via Edmund Mach, 38010 San Michele all’Adige, Trento, Italia *Corresponding author: silvia.gugole@fmach.it

Context and purpose of the study – Copper is listed among the active substances candidates for substitution (Regulation EU 2015/408). Yet still, because of the lack of valid alternatives, the European Commission recently confirmed its usage authorization by limiting the maximum amount to 28 Kg per hectare in 7 years, i.e. an average of 4 kg/year...