Be aware that the programme is subject to changes.
MONDAY 12 JUNE 2023
| 19:00 – 20:00 |
WELCOME RECEPTION IN THE EXHIBITION AND WELCOME SPEECHES The welcome reception is kindly sponsored by
|
TUESDAY 13 JUNE 2023
| 08:45 – 09:00 |
INTRODUCTION Giulia Marino, the Temperate tree nut division Chair at ISHS |
| 09:00 – 10:25 | SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY |
| 09:00 – 09:45 |
Keynote Lecture (KL1) : Plant Material, Genetics Pat J. Brown (United States) |
| 09:45 – 09:55 | Poster presentations (see the list- P01 to P09) |
| 09:55 – 10:25 | Oral presentations |
| 9:55 |
(OC02) : Growth of tall, unpruned bare rooted Chandler walnut trees on clonal Paradox VX211, RX1, and Vlach rootstock 2015-2022 Janine Hasey, Luke Milliron, Clifford Beumel, Clarissa Reyes, Charles Brannon, Dr. Bruce Lampinen (University of California, USA) |
| 10:10 |
(OC03) : Individual leaf area variation in a provenance collection of pecan (Carya illinoinensis) Cristina Pisani, Jennifer Randall, Quentin Read, Angelyn Hilton, Xinwang Wang, Warren Chatwin, Patrick Conner, Jordan Brungardt, Lenny Wells, Richard Hereema, Clive Bock (United States Department of Agriculture, USA) |
| 10:25 – 10:55 | Coffee break |
| 10:55 – 11:55 | SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY |
| 10:55 – 11:55 | Oral presentations |
| 10:55 |
(OC04) : Growth of bare root June budded Chandler walnut trees compared to potted micrografted finished trees on clonal Paradox RX1 rootstock Janine Hasey, Luke Milliron, Clifford Beumel, Dr. Bruce Lampinen (University of California Coop. Extension, USA) |
| 11:10 |
(OC05) : Field testing of resistance of novel hybrid clonal walnut rootstocks to soilborne biotic stresses Dr. Katherine Jarvis-Shean, Janine Hasey, Charles Leslie, Dr. Greg Browne, Dr. Ali McClean, Natalia Ott, Dr. Andreas Westphal, Dr. Daniel Kluepfel (University of California, USA) |
| 11:25 |
(OC06) : Identifying walnut rootstocks with resistance to multiple soil-borne plant pathogens Dr. Andreas Westphal, Dr. Zin Thu Zar Maung, Tom Buzo, Dr. Patrick Brown, Charles Leslie, Dr. Greg Browne, Natalia Ott, Dr. Ali McClean, Dr. Dan Kluepfel (University of California Riverside, USA) |
| 11:40 | (OC08): Influences of rootstocks on pecan scion growth in a replicated test orchard Dr. Xinwang Wang, Mr. Keith Kubenka, Dr. Angelyn Hilton, Mr. Braden Tondre, Dr. Warren Chatwin, Dr. Cristina Pisani, Dr. Clive Bock, Dr. Richard Heerema, Dr. Jennifer Randall (United States Department of Agriculture, USA) |
| 11:55 – 13:45 | Lunch break |
| 13:45 – 14:15 | SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY |
| 13:45 – 14:15 |
Oral presentations |
| 13:45 |
(OC11) : Behavior of five walnut rootstocks in ‘Serr’ and ‘Chandler’, under the edaphoclimatic conditions in O’Higgins and Coquimbo regions, Chile Ms. Giovanni Lobos, Ms. Jaime Otarola, Ms. Gamalier Lemus (Instituto de Investigaciones Agropecuarias, Chile) |
| 14:00 |
(OC11b) Phenologıcal and pomological comparison of “Diriliş” and “Chandler” cultivars Assoc. Prof. Mehmet Sutyemez, Dr. AK304DE ÖZCAN, Dr. 350akir Burak Bukucu (Univ of Kahramanmaras sutcu imam, Faculty of Agriculture, Dept. of Horticulture, Turkey) |
| 14:15 – 16:00 | SESSION II: PLANT PHYSIOLOGY |
| 14:15 – 15:00 |
Keynote Lecture (KL2) : Plant Physiology Ecophysiological functioning of walnut and main risks in a changing climate Thierry Améglio (INRAE, France) |
| 15:00 – 16:00 |
Oral presentations |
| 15:00 |
(OC12) : Presence of different phenolic groups in various tissues of J. regia Mr. Aljaz Medic, Prof. Dr. Anita Solar, Prof. Dr. Hudina Metka, Prof. Dr. Robert Veberic (University of Ljubljana, Slovenia) |
| 15:15 |
(OC14) : Annual evapotranspiration of pecan tree in an arid and hot zone in Mexico Prof. Dr. Julio Cesar Rodriguez, Prof. Dr. Salah Er-raki, Prof. Dr. Fidencio Cruz-Bautista (Universidad de Sonora, Mexico) |
| 15:30 |
(OC15) : Seasonal Crop evapotranspiration and crop coefficient of pecan walnut in arid region of Mexico Prof. Dr. Salah Er-Raki, Prof. Dr. Julio Cesar Rodriguez, Prof. Dr. Fidencio Cruz-Bautista, Prof. Dr. Carlos Lizarraga-Celaya, Prof. Dr. Alejandro E Castellanos-Villegas, Prof. Dr. Abdelilah Meddich, Prof. Dr. Andres Ochoa-Meza (University Cadi Ayyad, Morocco) |
| 15:45 |
(OC16) : Pecan nut weight is dependent on local shoot carbon supply-demand balance Dr. Richard Heerema, Dr. Ciro Velasco Cruz, Isaiah Apodaca, Claudia Galvan, Dr. Omar Holguin (New Mexico State University, USA) |
| 16:00 – 16:30 | Coffee break |
| 16:30 – 17:15 | SESSION II: PLANT PHYSIOLOGY |
| 16:30 – 17:15 | Oral presentations |
| 16:30 |
(OC18) : Photosynthesis in pecan tree under different management conditions in the Northwest México Prof. Dr. Julio Cesar Rodriguez (Universidad de Sonora, Mexico) |
| 16:45 |
(OC19) : Variation of bioactive compounds, fatty acids and volatile profile of walnuts (Juglans regia L.) during harvest and postharvest handling Benedetta Ms. Fanesi, Marco Vanacore, Eugenio Cozzolino, Roberta Foligni, Ancuta Nartea, Samuele Crescenzi, Matteo Zucchini, Veronica Giorgi, Davide Neri, Deborah Pacetti, Paolo Lucci (Università Politecnica delle Marche, Italy) |
| 17:00 |
(OC20) : Yield of ‘Chandler’ walnut according to PAR interception and crop load: effect of pruning Prof. Gabino Reginato, Miguel Valenzuela, Assoc. Prof. José Luis Henríquez (University of Chile, Chile) |
WEDNESDAY 14 JUNE 2023
| 08:45 – 10:23 | SESSION III: PRODUCTION, HARVEST, FRUIT QUALITY AND MARKETING |
| 08:45 – 09:30 |
Keynote Lecture (KL3) : Trends in food consumption, particularly fruit and vegetables, since the health crisis (2020) and in the face of climate change: perception of supply, expectations, purchasing and consumption behavior Catherine Baros (CTIFL, France) |
| 09:30 – 10:15 | Oral presentations |
| 09:30 |
(OC21) : Towards the geographical traceability of the Italian walnut: a case study based on stable isotopes signatures (δ(2H), δ(18O), δ(13C), δ(15N), δ(34S)) and elemental fingerprinting Erica A. Di Pierro, Pietro Franceschi, Daniela Bertoldi, Luca Ziller, Agostino Tonon, Roberto Larcher, Luana Bontempo, Federica Camin, Michela Troggio (Centro Ricerca e Innovazione, Fondazione Edmund Mach, Italy) |
| 09:45 |
(OC22) : The effect of cultivar, pressing temperature and kernel quality on the yield of walnut oil and its phenolic content Dr. Anita Solar, Assoc. Prof. Ana Slatnar, Prof. Dr. Franci Stampar, Prof. Dr. Metka Hudina, Prof. Dr. Robert Veberic (University of Ljubljana, Slovenia) |
| 10:00 |
(OC23) : The influence of the harvest time and duration of drying on the quality of walnuts Dr. Anita Solar, Prof. Dr. Rajko Vidrih, Aljaz Medic, Prof. Dr. Robert Veberic, Prof. Dr. Metka Hudina (University of Ljubljana, Slovenia) |
| 10:15 – 10:23 | Poster presentations (see the list- P10 to P14) |
| 10:23 – 10:50 | Coffee break |
| 10:50 – 12:20 | SESSION IV: PLANT PRODUCTION,ORCHARD MANAGEMENT, DEFENSE |
| 10:50 – 11:35 |
Keynote Lecture (KL4) : Organic Agriculture, Agroforestry, Other Productions Is crop happiness under our feet? Daniel Wipf (INRAE, France) |
| 11:35 – 12:20 | Oral presentations |
| 11:35 |
(OC24) : Pecan cultivation in Puglia region, Southeastern Italy: fruits and truffle production Assoc. Prof. Giuseppe Ferrara, Prof. Dr. Leonardo Lombardini, Dr. Andrea Mazzeo, Dr. Giovanni Luigi Bruno (Università di Bari, Italy) |
| 11:50 |
(OC25) : French Pecan project – Adaptation of arboriculture to climate change through agroforestry pecan cultivation in France Mr. Fabien BALAGUER, Mr. Mathieu DUFLOS (Association Française d’Agroforesterie, France) |
| 12:05 |
(OC26) : Performance of micropropagated walnut orchards trained to central leader in Emilia-Romagna, Italy Dr. Daniela Giovannini, Dr. Federica Brandi, Mr. Sandro Sirri, Dr. Francesca Massetani, Dr. Eugenio Cozzolino, Prof. Dr. Davide Neri (CREA, Italy) |
| 12:20 – 12:50 | Industry Session : UNITEC – Treenut grading, sorting and electronical sizing solutions |
| 12:50 – 14:05 | Lunch break |
| 14:05 – 15:50 | SESSION IV: PLANT PRODUCTION,ORCHARD MANAGEMENT, DEFENSE |
| 14:05 – 15:50 | Oral Presentations |
| 14:05 |
(OC28) : Financial and design aspects of walnut agroforestry in the UK Prof. Dr. Steve M. Newman, Mr. Tom Tame (BioDiversity International Ltd, United Kingdom) |
| 14:20 |
(OC29) : Effects of crop covers in walnut orchards Delphine Sneedse, Eloïse TRANCHAND (SENURA, France) |
| 14:25 |
(OC30) : Use of Mechanical Hedge Pruning to Transition Southeastern U.S. Pecan Production to a More Profitable and Sustainable System Lenny Wells (University of Georgia, USA) |
| 14:50 |
(OC31) : high density walnut management Mr. Gustavo Mendoza, Vittorio Bianchini, Miguel Carus (Nogaltec, Chile) |
| 15:05 |
(OC32) : Characteristics of spray coverage from large pecan orchard air-blast sprayers Dr. Clive Bock, Dr. Ted Cottrell, Dr. Michael Hotchkiss (United States Department of Agriculture, USA) |
| 15:20 |
(OC33) : Improving pecan nut yield by applying Kelpak® during flowering Pedro Larrain, Dr. Heino Papenfus (KELPAK, Chile) |
| 15:35 |
(OC34) : Surveying fungal diversity in pecan orchards of the Southwestern USA McKenzie Stock, Dr. Richard J. Heerema, Dr. Jennifer J. Randall, Dr. Nicole Pietrasiak (New Mexico State University, USA) |
| 15:50 – 16:20 | Coffee break |
| 16:20 – 17:20 | SESSION IV: PLANT PRODUCTION,ORCHARD MANAGEMENT, DEFENSE |
| 16:20 – 17:20 | Oral Presentations |
| 16:20 |
(OC35) : SysNoix, a French innovative project to answer tomorrow’s needs Marine Barbedette, Marianne Ms. Naudin (SENURA, France) |
| 16:35 |
(OC36) : Ecklonia maxima seaweed extract improves nut set and nut size of ‘Chandler’ walnuts trees Pedro Larrain, Alejandro Ochagavia, Hector Tabilo (KELPAK, Chile) |
| 16:50 |
(OC37) : Mitigation of salinity stress in ‘Chandler’ walnuts by the soil application of Ascophyllum nodosum extracts: effects on growth, yield and its impact on physical and biological soil properties Prof. Victor Beyá-Marshall, Mr. Francisco Quintanilla, Prof.Dr. Thomas Fichet (University of Chile, Chile) |
| 17:05 |
(OC38) : Evaluation of different training techniques in walnut orchard Veronica Giorgi, Marco Vanacore, Samuele Crescenzi, Matteo Zucchini, Eugenio Cozzolino, Prof. Dr. Davide Neri, Dr. Daniela Giovannini (CREA, Italy) |
THURSDAY 15 JUNE 2023
| 08:45 – 10:35 | SESSION V: PESTS AND DISEASES |
| 08:45 – 09:29 |
Keynote Lecture (KL5) : Emerging Diseases Related to Climate Change Florent Trouillas (University of California, USA) |
| 09:29 – 09:35 | Poster presentations (see the list- P15 to P20) |
| 09:35- 10:35 | Oral Presentations |
| 09:35 |
(OC40) : The Characterization of Xanthomonas arboricola pv. juglandis Strains from Bacterial Blight and Brown Apical Necrosis of Walnuts in Türkiye Dr. Damla ERTIMURTAS, Prof. Dr. Hatice OZAKTAN (Ege University, Turkey) |
| 09:50 |
(OC41) : Evaluation of the effectiveness of a bacteriophage-based formulation in laboratory and field trials on Xanthomonas arboricola juglandis Lydie Leymarie Lachaud, Dr. Camila Morales, Sofía Bustos, Héctor Apablaza, Dr. Fernanda Flores, Marie-Neige Hébrard, Dr. Patricia Jargeat, Dr. Pablo Núñez (Agroadvance SpA and omité des fruits à coques du Lot, France) |
| 10:05 |
(OC42) : Phenotypic behaviour and assessing phage sensitivity in pathogenic Xanthomonas arboricola pv. juglandis Dr. Tamas Kovacs, Dr. Maroua Oueslati, Ms. Dominika Bali (Biopesticide Ltd, Hungary) |
| 10:20 |
(OC42b) : A novel bacteriophage-based solution against Xanthomonas arboricola pv. juglandis: Natural approach for organic walnut production Dr. Tamas Kovacs, Ms. Naila Bounedjoum, Ms. Dominika Bali, Prof. Gabor Rakhely (Biopesticide Ltd., Hungary) |
| 10:35 – 11:05 | Coffee break |
| 11:05 – 12:35 | SESSION V: PESTS AND DISEASES |
| 11:05 – 12:35 | Oral Presentations |
| 11:05 |
(OC43) : Epidemiology and Management of Botryosphaeria Canker and Blight of Walnut in California Dr. Themis Michailides, Mr. Victor Gabri, Mr. David Morgan, Dr. ShuaiFei Chen, Mr. Giuseppe Fiore (University of California-Davis, USA) |
| 11:20 |
(OC44) : Investigation on the involvement of Botryosphaeriaceae in recent walnut dieback in French orchards Dr. Yohana Laloum, Ms. Cyrielle MASSON, Ms. Marie-Neige Hébrard, Ms. Aude MORONVALLE, Dr. Flora Pensec, Dr. Adeline Picot, Ms. Marie Belair, Prof. Gaëtan Le Floch, Ms. Agnès Verhaeghe (CTIFL, France) |
| 11:35 |
(OC45) : Colletotrichum acutatum in French walnut orchards – improving knowledge on the behavior of the fungus and its host Ms. Cyrielle MASSON, Ms. Marine Barbedette, Ms. Lucie Leurs (SENURA, France) |
| 11:50 |
(OC46) : Etiology of walnut fruit rot and twig dieback in South-Western France Dr. Florent Trouillas, Ms. Marie-Neige Hébrard, Ms. Violette Aurelle, Dr. Patricia Jargeat, Ms. Eloise Tranchand (University of California, USA) |
| 12:05 |
(OC47) : Transcriptome analysis under pecan scab infection reveals the molecular mechanisms of the defense response in pecan Mr. Gaurab Bhattarai, Prof. Dr. Patrick J Conner, Prof. Dr. Jennifer J Randall, Dr. Hormat Shadgou Rhein (University of Georgia, USA) |
| 12:20 |
(OC54) : Using a double-sided volute sprayer to control scab in tall pecan trees Dr. Clive Bock, Dr. Michael Hotchkiss, Mr. Buck Paulk (United States Department of Agriculture, USA) |
| 12:35 – 13:05 | Industry Session: MONCHIERO – How to reduce harvesting costs |
| 13:05 – 14:00 | Lunch time |
| 14:00 – 15:30 | SESSION V: PESTS AND DISEASES |
| 14:00 – 15:30 | Oral Presentations |
| 14:00 |
(OC48) : Discovering and Improving Microbial Biocontrol Methods for Managing Key Pecan Pests Dr. David Shapiro-Ilan (United States Department of Agriculture, USA) |
| 14:15 |
(OC49) : Pilot-scale field trial of Sterile Insect Technique for codling moth management in walnut orchards Dr. Ghais ZRIKI, Mr. Jean-Michel Leyre, Ms. Stéphanie Blachon, Jean-Baptiste Philibert, Jean-Michel Ricard, Ms. Agnès Verhaeghe (CTIFL, France) |
| 14:30 |
(OC50) : Efficacy and Persistence of the Entomopathogenic Fungi and Nematodes on Walnut Husk Fly Dr. Jhalendra Rijal, Dr. Sudan Gyawaly, Chang Vue (University of California-Davis, USA) |
| 14:45 |
(OC51) : Preliminary findings on the improved monitoring of walnut husk fly through a new pheromone lure Dr. Robert Van Steenwyk, Dr. Spencer Walse, Dr. Dan Kuzmich, Ms. Melissa Thayer (University of California, Berkeley, USA) |
| 15:00 |
(OC52) : Analysis of the nutritional content of the Green Walnut Husk (GWH) and perspectives for the Walnut Husk Fly (R. completa) larval diet development Solène TRAVAILLARD, François Verheggen (SENURA, France) |
| 15:15 |
(OC53) : Understanding seasonal biology and exploring detection tools for Pacific flatheaded borer in walnut orchards in California Dr. Sudan Gyawaly, Dr. Jhalendra Rijal (University of California, USA) |
| 15:30 – 16:00 | Coffee Break |
| 16:00- 17:00 |
CLOSING SESSION Closing speech and election of the next host country |
