Detailed Programme

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 Posters presentations (see list below)
09:55 – 10:25 Oral presentations
9:55

(OC01) : Validating the use of cryopreserved pollen in controlled crosses in pecan (Carya illinoinensis)

Warren Chatwin, Xinwang Wang, Angelyn Hilton, Braden Tondre, Daina Beebe, Ashley Shepherd, Gayle Volk (United States Department of Agriculture, USA)

10:10

(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)

10:25 – 10:55 Coffee break
10:55 – 12:25 SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY
10:55 – 12:25 Oral presentations
10:55

(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)

11:10

(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)

11:25

(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)

11:40

(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)

11:55

(OC07) : Genetic Diversity of Carya illinoinensis Across its Native Range

Prof. Dr. Jennifer Randall, Dr. LJ Grauke, Dr. Clive Bock (New Mexico State University, USA)

12:10

(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)

12:30 – 14:05 Lunch break
14:05 – 14:50 SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY
14:50- 15:35

Keynote Lecture (KL2) : Plant Physiology

Thierry Améglio (INRAE, France)

15:35 – 16:20
Oral presentations
14:05

(OC09) : Evaluation of Juglans regia L. and Juglans nigra L. as rootstock for Persian walnut

Assoc. Prof. Darab Hassani, Dr. Asghar Soleimani (Horticultural Science Research Institute, Iran)

14:20

(OC10) : Phenology of ten pecan cultivars in two well differenced regions of Spain

Dr. Margarita López Corrales, María Guadalupe Ms. Domínguez Yagüe, Dr. Abelló Laia, Dr. Ana María Fernández, Mr. Cordero Manuel, Mr. Fernando Pérez Gragera, Dr. Neus Aletà (CICYTEX (Centro de Investigaciones científicas y tecnológicas de Extremadura), Spain)

14:35

(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)

15:35

(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)

15:50

(OC13) : Pecan phenomics: measuring tree traits via novel application of image acquisition and high-throughput analysis pipelines

Dr. Angelyn Hilton, Daina Ms. Beebe, Dr. Cristina Pisani, Ms. Ellen Provin, Mr. Braden Tondre, Dr. Xinwang Wang, Dr. Clive Bock, Dr. Warren Chatwin (United States Department of Agriculture, USA)

16:05

(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)

16:20 – 16:50 Coffee break
16:50 – 18:20 SESSION II: PLANT PHYSIOLOGY
16:50 – 18:20 Oral presentations
16:50

(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)

17:05

(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)

17:20

(OC17) : Climate and Land Characteristics of Some Major Iranian Walnut cultivation Areas

Assoc. Prof. Darab Hassani, Ms. Ashraf Nankali, Assoc. Prof. Ali Zeinadini, Asghar Soleimani (Horticultural Science Research Institute, Iran)

17:35

(OC18) : Photosynthesis in pecan tree under different management conditions in the Northwest México

Prof. Dr. Julio Cesar Rodriguez (Universidad de Sonora, Mexico)

17:50

(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)

18:05

(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)

SESSION I: GERMPLASM, GENETICS, BIOTECHNOLOGY

These posters will be presented on June 13, from 09:45 – 09:55

 

  • (P01) : Determining the chilling requirements to overcome dormancy of three pecan nut cultivars

Dr. Neus Aleta Soler (IRTA, Spain)

  • (P02) : Seasonal dynamic of sap macro and micro elements composition in walnut (Juglans regia) cv. Lara

Dr. Julien Toillon (ANPN (Association nationale des producteurs de noisettes), France)

  • (P03) : Climate change and walnut budbreak phenology: Assessing cultivar-specific chill and heat requirements in NE Spain

Dr. Neus Aleta Soler (IRTA, Spain)

  •  (P04) : Application of BBCH codification to walnut (Juglans regia L.) phenophase

Dr. Julien Toillon (ANPN (Association nationale des producteurs de noisettes), France)

  •  (P05) : Environmental suitability of walnut (Juglans regia) in south-central Chile under projected climae changes

Prof. Gabino Reginato (University of Chile, Chile)

  •  (P06) : GERMAINE, CHARLETTE and DORIANNE: three new French varieties being registered for a release in 2025, a tribute to three figures of walnut sector development in France

Ms. Eloïse Tranchand (Station expérimentale de la noix de Creysse, France)

  •  (P07) : Horticultural field performance of new putative resistant walnut rootstock genotypes compared to seedling Paradox and standard clonal Paradox rootstocks

Janine Hasey (University of California Coop. Extension, USA)

  • (P08) : Microsatellite fingerprinting and evaluation of genetic relationship for new perspective walnut genotypes from Nikita Botanical Gardens

Dr. Sergey Khokhlov (Nikita Botanical Gardens, Russia Federation)

  • (P09) : Agronomic and quality evaluation of pecan tree varieties collection in the Southwest of Spain

Dr. Margarita López Corrales (CICYTEX (Centro de Investigaciones científicas y tecnológicas de Extremadura), Spain)