Selection for Fusarium basal rot resistance in onion using an artificial inoculation mature bulb screening method

Identification of steroidal saponins basal plate tissue involved in plant defense against Fusarium oxysporum f. sp. cepae

Prediction of pungency using SCIO™ NIR micro-spectrometer in
yellow and red onion bulbs

Efficacy of Markers for Cytoplasms and the Ms Locus
across Diverse Onion Germplasm

Genotyping by sequencing of onion (Allium cepa L.) for SNP marker development

Variation for Epicuticular Waxes in Onion

Doubled Haploid and F1 hybrids Production for bulb color-related molecular makers and mapping studies in onion (Allium cepa L.)

Characteristics of onion (Allium cepa L.) new cultivars with 4 bulb colors

Immature Flower Bud Culture in Allium sandrasicum: Kollmann, Özhatay & Bothmer

Gynogensis Responses of Onion (Allium cepa L.) Genotypes: Adapted to Turkey

Spatial & Diurnal & Development Expression of Bulbing Related Genes in Long-Day and Short-Day Onions (Allium Cepa)

Improving Intermediate day Onions for Regional Adaptation and Resistance to Abiotic Stresses

Evaluating the Efficacy of Fungicide Programs for Control of Foliar Disease in Wisconsin Onion Production

Evaluation of Alternatives to Soil Fumigants and Diallyl Disulfide for the Management of White Rot

The influence of Iris Yellow Spot Virus (IYSV) on incidence of decay of onion bulbs in storage

Bacteria causing bulb rots and leaf spots in Uruguay

Genome sequencing of Peronospora destructor, causal agent of onion downy mildew

Evaluation of Onion Growth Stage Specific Chemical Protection on Center Rot Incidence in Onion Bulbs

Effect of temperature changes and overwintering mortality on incidence of downy mildew in onion(Allium cepa L.) cultivars

Effect of high potassium fertility on Iris yellow spot virus incidence and symptom expression in onion

Testing a breeding strategy to select for resistance to onion basal rot caused by Fusarium oxysporum f.sp. cepae in Argentina

Genetic Mapping of Pink-Root Resistance in Onion

Does co-infection of garlic by the stem and bulb nematode and Fusarium oxysporum f.sp. cepae increase disease and reduce yield?

Fungicide application timing for the control of Stemphylium leaf blight of onion

Enhancing salad onion quality and yield through an understanding of in-field variation

Session 1

Allium Flavor

Chemistry in a Salad Bowl: Eric Block, University at Albany, SUNY

The best offense is a good defense; Plasmid-borne allicin tolerance genes make major contributions to Pantoea spp. virulence on onion: Brian Kvitko, University of Georgia Department of Plant Pathology

Analysis of the Chemistry of Garlic Breath in Human Subjects using Solid Phase Microextraction Gas Chromatography Mass Spectrometry: Norman E. Schmidt, H.L. Haas & B.J. Loewen, Tabor College, Hillsboro, Kansas 67063, Department of Chemistry

The Elusive Sweet Onion: Bill Randle, NC A&T State University

Session 2

Genomics and Breeding

Development of Tropical Onion Hybrids Through MAS and Diversifying Sources of Male Sterility: Ajmer S. Dhatt, Department of Vegetable Science, Punjab Agricultural University, Ludhiana India

Creation and genetic characterisation of an onion diversity set and identification of accessions with resistance to Fusarium basal rot and improved seedling vigour: Dr Andrew Taylor, Warwick Crop Centre, School of Life Sciences, University of Warwick

Cytoplasmic male-sterility: Bongju Kim, Ji-Wha Hur, Jeong-Ahn Yoo, Su-jung Kim, Chonnan National University. Dr. Cheol-Woo Kim, National Institute of Horticultural & Herbal Science.  Dong Youn Cho, JENONG. Dr. Tae-jin Yang, Youngcho Cho, Seoul National University.

Molecular cytogenetics in the whole-genome sequencing era: Ludmila Khrustaleva, Russian State Agricultural University – Moscow Timiryazev Agricultural Academy

Gene editing in onion: Patrick Krysan, University of Wisconsin-Madison

The Need for a High-Quality Reference Genome in Garlic/Major Allium: Oori Weisshaus, Ph. D

Session 3

Life and Work of Jim Brewster

Session 4


Bangladesh Agricultural Research Institute (BARI): Dr. Md. Noor Alam Chowdhury Senior Scientific Officer (Horticulture) Spices Research Centre, Bangladesh Agricultural Research Institute (BARI) Shibganj, Bogura, Bangladesh

Factors determining onion post-­‐harvest conservation in farming systems in Uruguay: Guillermo A. Galván

The efficacy of nematicides, in relation to seed clove infestation, for the management of stem and bulb nematode on garlic: Lilieth Ives, Michael Celetti, Katerina Jordan, Kevin Vander Kooi, and Mary Ruth McDonald, Department of Agriculture, University of Guelph

Session 5

Allium Leaf Miner and Production

Sweet Spanish Colorado Number 6: An 80-year history that provides a unique insight into the improvements and challenges in onion culture: Dr. Mike Bartolo, Colorado State University, Arkansas Valley Research Center, Rocky Ford, Colorado

What we know and don’t know about the Allium leafminer’s threat to the U.S. Allium industry: Brian Nault and Riley Harding, Cornell Univ.; Shelby Fleischer and Brandon Lingbeek, Penn State Univ.; Timothy Elkner, Penn State; Ethan Grundberg, Cornell Coop. Ext., Middletown, NY; Teresa Rusinek, Cornell Coop. Ext., Highland, NY

Can Onion Growers Benefit from Mycorrhizal Inoculants?: Lindsey du Toit, Tim Waters, Louisa Winkler, Mike Derie, Jenny Knerr, Brian Henrichs, & Barbara Holmes Washington State University

Hyperspectral Remote Sensing of Pink Root in Onions: Kyler Beck, University of Idaho

Federal Response to Allium leafminer, Phytomyza gymnostoma: Erin Otto, National Policy Manager United States Department of Agriculture Animal and Plant Health Inspection Service Plant Protection and Quarantine

Management of onion maggot on seeded onions: Kevin Vander Kooi, Mary Ruth McDonald, Dept. of Plant Agriculture, University of Guelph

Evaluation of onion growth stage directed chemical applications on center rot incidence in onion bulbs in Georgia, 2017-2019: C. Tyson, C. Riner, A. Shirley, J. Edenfield, Z. Williams, S. Tanner, C. Earls, B. Reeves, S. Powell, and B. Dutta, UGA

Challenges of Managing Stemphylium Leaf Blight in the Face of Fungicide Resistance in New York: Christy Hoepting, CCE Cornell Vegetable Program

Evaluating insecticide resistance in onion thrips in the Columbia Basin of Washington State: Tim Waters, Kunle Adesanya, and Doug Walsh WSU

Session 6

Pest Resistance

Variation for Leaf Waxes and Thrips Resistance in Onion: Eduardo Munaiz, Steve Damon, Russ Groves, and Michael Havey, USDA-ARS and Departments of Horticulture and Entomology, University of Wisconsin

Metabolomic analysis for Allium disease resistance breeding and challenges for multi-omics data integration: Masayoshi Shigyo, College of Agriculture,
Graduate School of Sciences and Technology for Innovation, Yamaguchi University

Progress made for Fusarium basal rot resistance: Subhankar Mandal,  Department of Plant and Environmental Sciences, New Mexico State University

Presence of Fusarium species in Dutch onion fields: Olga Scholten, Wageningen University and Research

Session 7

Seed Production

Diploid Plants Produced from Polyploid Alliums: Ali R. Alan, PhD, PAU BIYOM (Pamukkale University Plant Genetics & Agricultural Biotechnology Application & Research Center) Kinikli-Denizli, Turkey

Effects of nectar composition and floral traits on onion seed production: Claudio Galmarini, EEA La Consulta INTA, Mendoza, Argentina

Doubled haploids in short day Onion: The Story so far: Anil Khar, Principal Scientist, ICAR-Indian Agricultural Research Institute, New Delhi, India

Indirect effects of field management on pollination and seed set in hybrid onion seed production: R. Long, UCCE, Farm Advisor, Yolo County, Drs. Gillespie, Williams, UC Davis Entomology