conference program - cucurbitaceaecucurbit2018.ucdavis.edu/.../uploads/...final_web.pdf · •...

Solanaceae Conference 2016 • UC Davis | 1

13th Annual Solanaceae Conference

September 12 — 16, 2016 Davis, California USA

Advances to Applications

Cucurbitaceae 2018

November 12 — 15, 2018 Davis, California USA Cucurbit2018.ucdavis.edu

CONFERENCE PROGRAM

SolGenomics 2016

Cover photo by Fernando Navarro, HM.Clause (Limagrain Vegetable Seeds)

Cucurbitaceae 2018

www.Cucurbit2018.ucdavis.edu

Advances to Applications

CUCURBITACEAE 2018

CONFERENCE PROGRAM

November 12 — 15, 2018 Davis, California USA

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12 – 15 November 2018 • UC Davis, California USA

4 | Cucurbitaceae 2018 • UC Davis | Cucurbit2018.ucdavis.edu

Welcome to CUCURBITACEAE 2018!

Dear CUCURBITOLOGISTS,

Since 1980, we have periodically gathered from around the world at eight venues across the U.S. to report the latest research results on the frontiers of cucurbit biology, chemistry, germplasm resources, genetics and breeding, host plant resistance, and production and physiology. At this ninth meeting, which is being held at one of the premiere universities in the world with deep roots in agricultural research, we will share current research progress and, like previous conferences, seek glimpses into “cucurbits’ future.” Public scientists — both university and USDA — organized the previous Cucurbitaceae conferences with strong industry support. Cucurbitaceae 2018 was initially conceived and organized with a deliberate industry-public partnership in mind. We realized Davis, California was the ideal location for the 2018 conference due to the confluence of a global seed industry base and the University of California, Davis, with its rich and significant contributions to cucurbit production worldwide.

Cucurbitaceae 2018 consists of eight topical sessions, a general poster session, and four crop-specific meetings along with Cucurbit Genetics Cooperative meeting and what should prove to be an informative powdery mildew session. Thanks to the innovative folks at the UC Davis Seed Biotechnology Center, there is a new addition to Cucurbitaceae: “One-Minute Poster Preview Presentations” on Tuesday morning. Several interesting tours will take us out of the lecture hall on Wednesday afternoon. On Thursday evening, we meet up with Seed Central after squash, honey and olive oil tasting opportunities in the Robert Mondavi Institute’s Sensory Theater.

On behalf of the Scientific Committee and the Conference Organizing Team, we welcome you. May you renew acquaintances and make new friendships — personal and professional.

Yours sincerely,Bill Copes, HM.Clause, Davis, CAJim McCreight, USDA, Salinas, CA

Scientific Committee Alvin M. Simmons • U.S. Department of Agriculture, Agricultural Research ServiceAmnon Levi • U.S. Department of Agriculture, Agricultural Research ServiceAnthony (Tony) Keinath • Clemson University, USACecile Desbiez • French National Institute for Agricultural Research (INRA), Station de Pathologie Végétale, France Harry Paris • Agricultural Research Organization, IsraelJonathan Schultheis • North Carolina State University, USA Jordi Garcia-Mas • Center for Research in Agricultural Genomics (CRAG), Barcelona Li Li • U.S. Department of Agriculture, Agricultural Research Service, USALinda Wessel Beaver • University of Puerto Rico, MayaguezMichael Mazourek • Cornell, College of Ag and Life Sciences, USA Narinder Dhillon • World Vegetable Center, East and Southeast Asia/Oceania, ThailandPat Wechter • U.S. Department of Agriculture, Agricultural Research Service, USA

Cucurbitaceae 2018

Conference Committees | 5

Sanwen Huang • Agricultural Genome Institute at Shenzhen, Chinese Academy of Agricultural Sciences, ChinaTodd Wehner • North Carolina State University, USAWilliam (Bill) Wintermantel • U.S. Department of Agriculture, Agricultural Research Service, USAZhangjun Fei • Boyce Thompson Institute, USA

Local Organizing CommitteeAllen Van Deynze • Department of Plant Sciences, UC DavisAngela Davis • Sakata Seed America, Inc.Antonio Cabrera • Nunhems BASFBill Copes • HM.Clause Vegetable Seeds, Group LimagrainCecilia Chi-Ham • HM.Clause, Intellectual Property and R and D Strategy Susan DiTomaso • Department of Plant Sciences, UC Davis Francois Korn • Seed Quest and Seed CentralJim McCreight • USDA, Salinas, CA. Julie Tillman • Department of Plant Sciences, UC DavisPhyllis Himmel • Collaboration for Plant Pathogen Strain IdentificationRakesh Kumar • Syngenta Seeds

Session Chairpersons

BIOTIC STRESS (BS): William (Bill) Wintermantel • USDA, Salinas, CA, USA BREEDING and GENETICS (BG): Amnon Levi • USDA, Charleston, SC, USA BREEDING FOR RESISTANCE (BR): Todd Wehner • North Carolina State University, USA FLORAL and FRUIT DEVELOPMENT (FD): Li Li • USDA, Ithaca, NY, USA GENETIC RESOURCES (GR): Harry Paris • Agricultural Research Organization, Israel GENOMICS (G1, G2): Jordi Garcia-Mas • Center for Research in Agricultural Genomics (CRAG), Barcelona PRODUCTION and QUALITY (PQ): Jonathan Schulthesis • North Carolina State University, USA

Conference Center WiFi Access Instructions: • Set your device to search for available Wi-Fi networks• Find the network called ucd-guest• Connect to ucd-guest• Open a web browser• Follow wi-fi access instructions• Conference website: Cucurbit2018.ucdavis.edu

12 – 15 November 2018 • UC Davis, California USA


General Conference Information • Conference Center building will open daily at 7:30 am • Light breakfast foods will be available on Tuesday, Wednesday and Thursday mornings (before 8:00 am). • Full lunches will be served on Tuesday, Wednesday and Thursday. • Conference Center restrooms are located adjacent to the registration desk; Additional restrooms are available on the second floor.• Drink tickets will be provided at most evening social events. Additional beer and wine drinks may be purchased (cash only, USD). Non-alcoholic drinks and water available at no cost. • Platinum sponsor company representatives are encouraged to be present at their company-hosted lunch tables.• Emergency help is available by dialing 911 from a land line or (530) 752-1230 from a mobile phone. Do not dial 911 from a mobile phone. For additional campus emergency and safety information, visit www.ucdavis.edu/emergency/. For status or information during an emergency, call the campus Emergency Status Line at (530) 752-4000. • In case of emergency, conference attendees should gather on VanderHoef Quad.

Policies • Name badges should be worn at all conference functions.• For all evening social events, guests may not leave event area with alcohol in hand.• Cell phones should be turned off or silenced during all scientific sessions.• Photos are discouraged during talks.• Photos of posters or slides may be taken only with presenter’s permission.

Tours • Wednesday, November 14, 1:00 pm departure Seka-Hills Olive Mill & Tasting Room • Brooks, CA Robert Mondavi Institute: Winery tour • UC DavisBayer Crop Science • Woodland, CA Marrone Bio innovations • Davis, CA

Crop-Specific or Side Meetings Side meetings held in the Conference Center, specific locations indicated below Tuesday, November 13 3:30 pm • Cucumber, Ballroom A3:30 pm • Melon, Ballroom B3:30 pm • Squash, Ballroom C3:30 pm • Watermelon (WRDG), Conference Room A 6:30 pm • Cucurbit Genetics Cooperative Meeting, Main ballroom Wednesday, November 146:30 pm • Melon Powdery Mildew, Conference Room A Thursday, November 157:30 pm • Business Meeting, Conference Room A

Cucurbitaceae 2018

General Conference Information and Policies | 7

Conference organizers would like to extend a special THANK YOU to the following: • Our conference tour hosts• Kaylee D’Amico, Amanda Saichaie, Kathy Esparza, Rebeca Madrigal, Joy Patterson and Joyce Fitzmorris Jones (general support and assistance)

Advances to Applications12 – 15 November 2018 • UC Davis, California USA


Conference Schedule

MONDAY, NOVEMBER 121:00 - 4:00 pm Conference Check-In

Conference Center Lobby

5:00 - 6:00 pm Opening Ceremony, Conference Center Ballroom Victor Verlage, Senior Director of Agricultural Strategy leading Strategic Food Sourcing, Walmart Inc. Welcome Address: “Indulging in Healthier Diets”

6:00 - 8:00 pm Welcome Reception sponsored by UC Davis Jan Shrem and Maria Manetti Shrem Museum of Art Light Appetizers and Beverages served

TUESDAY, NOVEMBER 13

7:30 am Light breakfast foods available, Conference Center lobby

8:00 am Welcome Remarks Helene Dillard, Dean College of Agricultural and Environmental Sciences UC Davis General Announcements

GENETIC RESOURCES (GR) Tuesday, November 13 Harry Paris, Chair 8:15 — 9:40 am, Conference Center Ballroom

8:15 am Thomas Andres Keynote Speaker

Diversity of Lesser Known Cultivated Cucurbita from Latin America: Landraces to Locally Grown Cultivars

8:35 am Kaori Ando Keynote Speaker Xin Wang, Zhangjun Fei, William Wintermantel, James McCreight

Where in The New Melon Classification Schemes Does Cucumis melo ssp. agrestis var. texanus Belong?

8:55 am Supornpun Srimat Suwannee Laenoi, Narinder Dhillon

Characterization of Bitter Gourd Breeding Lines Developed at World Vegetable Center

9:10 am Harry Paris Jules Janick

The Mis-Understood History of the Cucumber, Cucumis sativus

9:25 am Jason Argyris Lara Pereira, Marta Pujol, Jordi Garcia-Mas

Development of Novel Sets of Reciprocal Introgression-line Collections in Melon

BREAK: 9:40 — 10:00 am, Conference Center lobby

All program events held in Conference Center Ballroom, unless otherwise indicated

Cucurbitaceae 2018

Conference Program | 9

PRODUCTION AND QUALITY (PQ) Tuesday, November 13 Marlee Trandel (in place of Jonathan Schultheis), Chair 10:00 — 11:25 am, Conference Center Ballroom

10:00 am Richard Hassell Keynote Speaker

Challenges and Opportunities Using Grafted Cucurbit Plants

10:20 am Pratibha Acharya Keynote Speaker G. Jayaprakasha, Kevin Crosby, John Jifon, Bhimanagouda Patil

Green Nanotechnology: An Effective Approach for Watermelon Growth while Maintaining Quality

10:40 am Jintao Cheng Suying Wen, Baiyi Lu, Xiangwei Zeng

Phloem Unloading and Intracellular Transport of Carbohydrate in Developing Melon Fruit: A Global Transcriptional View of Sugar Transporters that Responsible for Sucrose Accumulation

10:55 am Travis Birdsell Jonathan Schultheis, Penelope Perkins-Veazie

Maximizing Internal Quality of Butternut Squash (Cucurbita moschata) Through Harvest Timing and Storage

11:10 am Macarena Farcuh Bill Copes, Gaelle Le Navenec, Cecilia Chi-Ham, Ian Thompson, Kent Bradford, Dario Cantu, Allen Van Deynze

Melon Texture Diversity: Sensory and Physical Assessments

11:25 am ONE-MINUTE Poster Preview Presentations

12:20 pm Conference Group Photo VanderHoef Quad (grassy area just outside Conf Center)

LUNCH: 12:30 — 1:30 pm Alumni Center and Moss Patio sponsored by

FRUIT AND FLORAL DEVELOPMENT (FD) Tuesday, November 13 Li Li, Chair 1:30 — 2:55 pm, Conference Center Ballroom

1:30 pm Amit Gur Keynote Speaker Elad Oren, Galil Tzuri, Lea Vexler, Ayala Meir, Asaf Dafna, Uzi Sa’ar, Arthur Schaffer, Nurit Katzir, Joseph Burger, Yaakov Tadmor

Genetic Characterization of a Key Regulator of Pigment Accumulation in Melon and Watermelon

1:50 pm Christopher Hernandez Keynote Speaker

Towards Understanding and Predicting Fruit Quality in Winter Squash



2:10 pm Catherine Dogimont, Vincent Rittener-Ruff, Vérane Sarnette, Nathalie Giovinazzo, Ilknur Solmaz, Nebahat Sari, Adnane Boualem, Abdelhafid Bendahmane

Sex Determinism Genes in Cucurbit Crops: Evolutionary History and Domestication

2:25 pm Winnie Gimode Josh Clevenger, Cecilia McGregor

Fine-mapping of a Major Quantitative Trait Locus Qdff3-1 Controlling Flowering Time in Watermelon

2:40 pm Alicia García Encarnación Aguado, Susana Manzano, Jonathan Romero, Gustavo Cebrián, Dolores Garrido, Manuel Jamilena

Genetic Interactions between EIN1, EIN2 And EIN3 in the Regulation of Sex Expression and Sex Determination in Squash

BREAK: 2:55 — 3:30 pm, Conference Center lobby

CROP-SPECIFIC MEETINGS Tuesday, November 13

3:30 pm CUCUMBER, Yiqun Weng, Chair Conference Center Ballroom A

3:30 pm MELON, Marisa Gomez-Guillamon, Chair Conference Center Ballroom B

3:30 pm SQUASH, Linda Wessel-Beaver, Chair Conference Center Ballroom C

3:30 pm WATERMELON (WRDG), Jérôme Bernier, Chair Conference Center, Conference Room A

POSTER SESSION: 5:00 — 7:00 pm AGR Room, Alumni Center sponsored by Light Appetizers and Beverages served

6:30 pm Cucurbit Genetics Cooperative Meeting UC Davis Conference Center, main ballroom

WEDNESDAY, NOVEMBER 14 7:30 am Light breakfast foods available, Conference Center lobby

8:00 am General Announcements

8:10 am

Platinum Sponsor company presentations Les Padley • Syngenta Elly Soeryapranata • Nunhems BASF Zahi Paz • Limagrain, Vilmorin, Mikado, HM.Clause, Hazera

Tuesday, November 13: Fruit and Floral Development session (continued)

Cucurbitaceae 2018


GENOMICS I (G1) Wednesday, November 14 Shan Wu and Zhangjun Fei (in place of Jordi Garcia-Mas), Chairpersons 8:30 — 9:55 am, Conference Center Ballroom

8:30 am Rebecca Grumet Keynote Speaker Z. Fei, Y. Weng, X. Wang, K. Bao, Y. Zheng, T. Wehner, U. Reddy, A. Levi, J. McCreight, M. Mazourek, S. Kousik, K-S. Ling, C. McGregor, P. Wechter, L. Wessel-Beaver, W. Wintermantel, M. Hausbeck, A. Linares-Ramirez, L. Quesada-Ocampo, C. Smart

The CucCAP Project: Genomic Tools and Resources to Facilitate Breeding for Disease Resistance in Cucurbits

8:50 am Shan Wu Keynote Speaker Lei Gao, John Mendieta, Shaogui Guo, Honghe Sun, Yong Xu, Shaker Kousik, Pat Wechter, Amnon Levi, Zhangjun Fei

Pan-genomes of the Citrullus Species

9:10 am Marta Pujol Valentino Ruggieri, Lara Pereira, Konstantinos Alexiou, Jordi Morata, Jason Argyris, Sergi Pérez, Riccardo Aiese Cigliano, Walter Sanseverino, Pere Puigdomènech, Josep Casacuberta, Jordi Garcia-Mas

New Genetic and Genomic Resources in Melon and Their Application for Fruit Quality Improvement

9:25 am Zhangjun Fei Cucurbit Genomics Database

9:40 am Kaori Ando Xin Wang, Umesh Reddy, Zhangjun Fei, James McCreight

Exploring Genetic Diversity in the U.S. National Melon Collection


GENOMICS II (G2) Wednesday, November 14 Shan Wu and Zhangjun Fei (in place of Jordi Garcia-Mas), Chairpersons 10:20 — 11:50 am, Conference Center Ballroom

10:20 am Ryoichi Yano Tohru Ariizumi, Satoko Nonaka, Hiroshi Ezura

Developing Genome and Transcriptome Information Database for Functional Genomics Research of Japanese Muskmelon


Full abstracts available at Cucurbit2018.ucdavis.edu


10:35 am Xin Wang Kan Bao, Umesh K. Reddy, Yang Bai, Sue A. Hammer, Chen Jiao, Todd C. Wehner, Axel O. Ramírez-Madera, Yiqun Weng, Rebecca Grumet, Zhangjun Fei

The USDA Cucumber (Cucumis sativus L.) Collection: Genetic Diversity, Population Structure, Genome-Wide Association Studies and Core Collection Development

10:50 am Feishi Luan Shi Liu, Peng Gap, Qianglong Zhu, Xuezheng Wang, Hongyu Liu, Zicheng Zhu, Hongyan Ma

The Whole-genome Resequencing Reveals the Evidence of Selective Sweeps during Melon Domestication

11:05 am Paradee Thammapichai Junsong Pan, Dal-Hoe Koo, Yonghua Han, Jiming Jiang, Yiqun Weng

Genomics-Aided Development and Characterization of Cucumis hystrix Introgression Lines in Cucumber

11:20 am Martin Ganal Jorge Plieske, Andreas Polley, Eva Maria Graner

A Multispecies SNP Array for High-Resolution Genotyping of Melon, Cucumber and Watermelon

11:35 am William Wintermantel Navneet Kaur, Wenbo Chen, Zhangjun Fei

Transcriptome Dynamics of the Whitefly Bemisia tabaci In Response to Feeding on Melon Plants Infected with Cucurbit Yellow Stunting Disorder Virus

LUNCH: 11:50 am — 1:00 pm Alumni Center and Moss Patio sponsored by

OFF-SITE TOURS WEDNESDAY, NOVEMBER 14: 1:00 — 5:30 pm Pre-registration required Required: Close-toe shoes, long pants and no jewelry. Recommended: Sun protection. Tour tickets may be purchased before the conference when registering online or during the conference at the registration desk (based upon availability). Tour check-in begins at 12:45 pm in front of MONDAVI CENTER Buses depart from front of MONDAVI CENTER at 1:00 pm Tours #1 and 2 will visit: • Seka-Hills Olive Mill & Tasting Room • Brooks, CA and • Robert Mondavi Institute: Winery tour • UC Davis Tours #3 and 4 will visit: • Bayer Crop Science • Woodland, CA and • Marrone Bio Innovations, Inc. • Davis, CA Buses return to Mondavi Center by 5:30 pm

6:30 pm MELON POWDERY MILDEW meeting Phyllis Himmel, Chair Conference Center, Conference Room A

Wednesday, November 14: Genomics II session (continued)

Cucurbitaceae 2018


THURSDAY, NOVEMBER 15

7:30 am Light breakfast foods available, Conference Center lobby

8:00 am General Announcements

BREEDING AND GENETICS (BG) Thursday, November 15 Amnon Levi, Chair session sponsored by 8:10 — 9:35 am, Conference Center Ballroom

8:10 am Yong Xu Keynote Speaker Shaogui Guo, Xin Wang, Honghe Sun, Shengjie Zhao, Shan Wu, Yi Ren, Jie Zhang, Guoyi Gong, Haiying Zhang, Wenge Liu, Zhangjun Fei

Genomics-Assisted Molecular Breeding in Watermelon

8:30 am Sandra Branham Keynote Speaker Amnon Levi, Zhangjun Fei, W. Patrick Wechter

Genomics-enabled Genetic Mapping and Marker Development of Disease Resistance Loci in Melon and Watermelon

8:50 am Wenge Liu Junling Dou, Xuqiang Lu, Aslam Ali, Shengjie Zhao, Nan He

Genetic Mapping Reveals Markers for Fruit Shape and Yellow Skin in Watermelon (Citrullus lanatus L.)

9:05 am Ayse Torun Mehmet Hamurcu, Nebahat Sarı

Physiological Responses of Melon Genotypes with Known Drought Tolerance Levels

9:20 am Cecilia McGregor Lucky Paudel, Josh Clevenger

Chromosomal Locations of Four Loci Controlling Watermelon Seed Coat Color


BREEDING FOR RESISTANCE (BR) Thursday, November 15 Todd Wehner, Chair session sponsored by 10:00 — 11:25 am, Conference Center Ballroom

10:00 am Xingfang Gu Keynote Speaker Shengping Zhang, Han Miao, Ye Wang, Kailiang Bo, Bingyan Xie

Advances in Molecular Breeding for Disease Resistance in Cucumber

10:20 am Luis Rivera-Burgos Keynote Speaker Todd Wehner

Improving Gummy Stem Blight Resistance and Fruit Quality in Watermelon Germplasm




10:40 am Yuhui Wang Junyi Tan, Zhiming Wu, Kyle VandenLangenberg, Todd Wehner, Changlong Wen, Xiangyang Zheng, Ken Owens, Alyson Thornton, Hailey Bang, Eric Hoeft, Peter Kraan, Jos Suelmann, Junsong Pan, Yiqun Weng

A Loss-of-susceptibility Mutation in the STAYGREEN Gene (CsSGR) Provides Durable, Broad-spectrum Disease Resistances for US Cucumber Production

10:55 am Geoffrey Meru Vincent Michael, Yuqing Fu

Breeding for Resistance to Phytophthora Crown Rot in Squash

11:10 am Chandrasekar Kousik Jennifer Ikerd, Mihir Mandal, Phillip Wadl

Genetics of Resistance to Powdery Mildew in Watermelon Line USVL608-PMR

11:25 amCucurbitaceae Lifetime Achievement Award announcements Future meeting announcements

LUNCH: 12:00 — 1:00 pm Alumni Center and Moss Patio sponsored by

BIOTIC STRESS (BS) Thursday, November 15 William (Bill) Wintermantel, Chair 1:00 — 2:25 pm, Conference Center Ballroom

1:00 pm Nathalie Boissot Keynote Speaker

Aphid Triggered Immunity in Melon: Key Determinants for Durable Resistance to Virus and Aphids

1:20 pm Gabriel Rennberger Keynote Speaker Anthony Keinath

Diversity and Pathogenicity on Watermelon of Six New Fungal Species in the Family Stachybotriaceae

1:40 pm Kai-Shu Ling Xuelian Sui, Rugang Li, Andrea Gilliard, Amnon Levi, Zujian Wu

Cucumber Green Mottle Mosaic Virus: Seed Transmissibility, Seed Health Assays and Screening Watermelon Germplasm for Disease Resistance

1:55 pm Ben Mansfeld Rebecca Grumet

Inhibitory Effects of Cucumber Age-related Resistance to Phytophthora capsici Manifest Within 24 Hours of Inoculation

2:10 pm Ales Lebeda Bozena Sedlakova, Martin Srajbr

Resistance to Fungicides in Cucurbit Powdery Mildew in Europe

Thursday, November 15: Breeding for Resistance session (continued)

Cucurbitaceae 2018


2:30 pm

Tasting Summary and Information Francois Korn, Seed Central Dan Flynn, Olive Center, UC Davis Amina Harris, Honey and Pollination Center, UC Davis

3:00 - 4:30 pm Squash, Olive Oil, and Honey Tasting UC Davis Robert Mondavi Institute for Wine and Food Science (RMI)

4:30 - 6:00 pm Seed Central Networking UC Davis Conference Center sponsored by

6:00 - 7:00pm Seed Central Panel Discussion UC Davis Conference Center Ballroom Ali Bouzari, Culinary Scientist, Co-Founder, CSO, Pilot R+D Lindsay Wyatt, Pumpkin & Squash breeder, Johnny’s Selected Seeds Nick Balla, Chef Vince Caguin, Director of Nutrition Services & Warehousing, Natomas Unified School District Paige Schoening, Farm to Table Program Manager, Guckenheimer

7:30 pm Business Meeting Conference Room A

Thursday, November 15




Poster Presentations

Posters will be on display and available for general viewing throughout the conference

*Brief poster introduction will be presented by author at the ONE-MINUTE POSTER PREVIEW PRESENTATIONS session on Tuesday 11:30 am, Conference Center Ballroom Biotic Stress (BS) *BS-01. Cucurbit Rootstocks Resistant to Fusarium Wilt of Watermelon Retain Resistance When Co-Infected by Southern Root-Knot Nematode Anthony Keinath, Paula Agudelo, William Rutter, W. Patrick Wechter *BS-02. Genomic Characterization of Xanthomonas cucurbitae, the Causal Agent of Bacterial Spot Disease of Cucurbits Sarah Hind, Rikky Rai *BS-03. Cucurbit chlorotic yellows virus, a New Crinivirus Infecting Cucurbits in California William M. Wintermantel, Laura L.J. Hladky, Patti Fashing, Kaori Ando, James D. McCreight BS-04. Screening of the Melon Germplasms Resistant to Phytotpthora Rot Caused by Phytophthora capsici Pingyong Wang BS-05. Detection of the Gummy Stem Blight-Causing Pathogens (Stagonosporopsis spp.) in Watermelon, Using Three Species-Specific LAMP Assays Jorge Reyes, Caterina Villari, Marin Brewer, Cecilia McGregor BS-06. Cucurbit Powdery Mildew Population Virulence Variation – A Complex View from a Global Perspective Ales Lebeda, Bozena Sedlakova, Eva Kristkova, James D. McCreight, Evsey Kosman BS-07. Pathotypes and Races of Pseudoperonospora cubensis – Different Concepts of Virulence Differentiation Ales Lebeda, Eva Kristkova, Bozena Sedlakova BS-08. Evaluating Cucurbit Rootstocks for their Utility in Preventing Disease Caused by the Soilborne Pathogens Pythium aphanidermatum and Pythium myriotylum Sean Toporek, Anthony Keinath

POSTER SESSION Tuesday, November 13 from 5 to 6:30 pm. Alpha Gamma Rho Hall. UC Davis Walter A. Buehler Alumni Center

Cucurbitaceae 2018

Conference Poster Presentations | 17

Breeding and Genetics (BG) *BG-01. Increasing Shelf Life of Perishable Produce Using Patented Gene Technology Venkatramana Pegadaraju, Jerry Feitelson *BG-02. Identification and Mapping of a Dwarfness Related Gene in Watermelon (Citrullus lanatus) by Steps Mapping Namfon Chomkaeo, Darush Struss, Chotipa Sakulsingharoj, Saengtong Pongjaroenkit *BG-03. Physiological and Anatomical Responses of Two Contrasting Pumpkin Genotypes Under Drought Stress Mehmet Hamurcu, Canan Özdemir, Anamika Pandey, Mohd Khan, Zuhal Avsaroglu, Makbule Omay, Ismail Kaya, Erdogan Hakki, Sait Gezgin BG-04. Dissecting Multiflower Male Truss Character in Melon (Cucumis melo L.) Ana Garcés, Julia Malo, Maria Gomez-Guillamon *BG-05. Genome-Wide Diversity for Worldwide Watermelon Collections: Analysis of Population Structure, Haplotype Networks, Selective Sweeps and LD Decay to Characterize Domestication Signals Umesh Reddy, Takshay Patel, Carlos Ortiz, Venkata Lakshmi Abburi, Kan Bao, Xin Wang, Luis Rivera-Burgos, Zgangjun Fei, Todd Wehner, Padma Nimmakayala, Shaker Kousik, W. Patrick Wechter, Sandra Branham, Kai-shu Ling, Robert Jarret, Cecilia McGregor, Amnon Levi *BG-06. Novel Loci fsd6.1 and csgl3 Regulate Ultra-high Fruit Spine Density in Cucumber Kailiang Bo, Han Miao, Min Wang, Xiaoxiao Xie, Zichao Song, Qing Xie, Lixue Shi, Weiping Wang, Shuang Wei, Shengping Zhang, Xingfang Gu *BG-07. Confirmation of Significant Parent-of-Origin Effects in Cucumber Madeline Olberg, Michael Havey *BG-08. Evaluation of Watermelon Germplasm in Texas, a Genotype-By-Environment Study on Yield and Path Analysis on Associated Traits Edgar Correa, Subas Malla, Carlos Avila, Kevin Crosby *BG-09. Mission Melon: Improving Qualitative traits in Cucumis melo using Phenomics Ashlynn Fix, Jeekin Lau, Kevin Crosby, Bhimagouda Patil, Daniel Leskovar, William Rooney, Wayne Smith *BG-10. Study on the Development of Tubercules and Spines in Cucumber Gang Wang, Huanle He, Junsong Pan, Run Cai *BG-11. Next-Generation Sequencing Bulk Segregant Analysis Reveals Multiple Loci Involved in Phytophthora Root and Crown Rot in Squash and Pumpkin Gregory Vogel, Kyle LaPlant, Michael Mazourek, Michael Gore, Christine Smart *BG-12. Introgression Mapping of Wild Species-Derived Resistance to Viruses in Cucurbita Kyle LaPlant, Michael Mazourek




*BG-13. QTL Mapping of Angular Leaf Spot Resistance in Cucumber Junyi Tan, Zhiming Wu, Yuhui Wang, Yiqun Weng BG-14. QTL Mapping of Resistance to Powdery Mildew in Cucumis melo MR-1 Using a Recombinant Inbred Line Population Sandra Branham, W. Patrick Wechter, Mahir Mandal, Jennifer Ikerd, Shaker Kousik BG-15. Genome-Wide Association Studies of Important Agronomic Traits in Watermelon Shaogui Guo, Xin Wang, Shan Wu, Honghe Sun, Shengjie Zhao, Yi Ren, Jie Zhang, Guoyi Gong, Haiying Zhang, Wenge Liu, Zhangjun Fei, Yong Xu BG-16. lon Cultivars for Biosaline Agriculture Santiago García-Martínez, Flores Alejandro, Alicia Sifres, José Vicente Valcárcel, Ana Pérez, Jaime Cebolla, Carmina Gisbert, María José Díez, Carmelo López, María Ferriol, Belén Picó, Juan José Ruiz BG-17. Development of Melon Cultivars for Organic Farming Alejandro Flores, Alicia Sifres, Santiago García-Martínez, José Vicente Valcárcel, Gorka Perpiñá, Cristina Sáez, Carlos Romero, Antonio Monforte, Ana Pérez, Jaime Cebolla, María José Díez, Carmina Gisbert, Juan José Ruiz, Carmelo López, María Ferriol, Belén Picó BG-18. Validation of KASPTM Assays for Three Alleles of a SUN gene Controlling Fruit Length and Shape in Watermelon (Citrullus lanatus) Reeve Legendre, Cecilia McGregor BG-19. Analysis of Physiological Characteristics and Chloroplast Ultrastructure of a New Leaf Color Mutant in Melon Lai Yan, Fu Qiushi, Lyu Jianchun, Zhou Mengdi, Huang Zhi, Wang Huaisong BG-20. Molecular Mapping of a New Dominant Resistance Gene for Zucchini yellow mosaic virus (ZYMV) in Squash (Cucurbita pepo) Haizhen Li, Guoyu Zhang, Fan Zhang, Jiaxing Tian BG-21. Genetic Characterization of DH-Kirkagac Melon Lines Revealed by SSR Markers Baris Dal, Nebahat Sari, Yildiz Aka Kacar, Ilknur Solmaz

Breeding for Resistance *BR-01. Linkage Map Construction and QTL Analysis for Cucurbit chlorotic yellows virus Resistance in Melon Yoichi Kawazu, Mitsuhiro Sugiyama, Koichiro Shimomura, Syoichi Maeda, Yoichi Yamato, Shigenori Ueda, Shiori Okuda, Mitsuru Okuda *BR-02. Resequencing of Bottle Gourd Germplasm and Using QTL-seq to Fine-Map PRSV-W Resistance in Bottle gourd (Lagenaria sinceraria) Bidisha Chanda, Kai-Shu Ling, Shan Wu, Zhangjun Fei *BR-03. North Carolina State Cucumber Lines Developed for Downy Mildew Resistance Emily Silverman, Todd Wehner *BR-04. QTL-Seq of Young Fruit Resistance to Phytophthora capsici in Cucumber Ying-Chen Lin, Rebecca Grumet

Posters, Breeding and Genetics session (continued)

Cucurbitaceae 2018


*BR-05. A Major QTL Located in Chromosome 8 of Cucurbita moschata is Responsible for Resistance to Tomato leaf curl New Delhi virus (ToLCNDV) Cristina Sáez, Cecilia Martínez, Cristina Esteras, María Ferriol, Javier Montero-Pau, José Blanca, Joaquín Cañizares, Carmelo López, Belén Picó BR-06. Effect of Two Potyviruses on Development and Yield of Tropical Pumpkin Wilfredo Seda-Martínez, Linda Wessel-Beaver, Angela Linares-Ramírez BR-07. Identification of New Resistance Sources in Watermelon for Anthracnose Race 2 Takshay Patel, Todd C. Wehner BR-08. Disease Assessment in Seedlings of Tropical Pumpkin Infected with PRSV and ZYMV Magdiel Miranda-Vélez, Linda Wessel-Beaver, Jose Carlos Rodrigues BR-09. Gummy Stem Blight Resistance in Melon: Screening, Inheritance Pattern and Development of Molecular Markers Zahid Hassan, Abdur Rahim, Hoy-Taek Kim, Jong-In Park, Ill-Sup Nou BR-10. Novel Source of Resistance to Fusarium Wilt Race 1 Identified in Citron Melon Sandra Branham, Amnon Levi, Melanie Katawczik, W. Patrick Wechter BR-11. Relative Susceptibility of Commercial Watermelon Varieties to Powdery Mildew and Phytophthora Fruit Rot Chandrasekar Kousik, Jennifer Ikerd, Mihir Mandal BR-12. New Sources of Resistance to Phytophthora Crown and Root Rot in Cucurbita moschata Mihir Mandal, Haktan Suren, Brian Ward, Arezue Boroujerdi, Chandrasekar Kousik BR-13. Role of Antioxidant Molecule Melatonin in Plant-Host Resistance and Pathogen Suppression in Cucurbits Chandrasekar Kousik, Jennifer Ikerd, Mihir Mandal BR-14. Development of a Real-Time Fluorescence-Based Microplate Assay for Pathogen Growth on Plant Tissue: Phytophthora capsici Infection of Cucumber Fruit Chunqiu Zhang, Ben Mansfeld, Rebecca Grumet BR-15. Innovation Research on Germplasm Resources of Watermelon with Resistance to Fusarium Wilt Wang Xiqing, Yan Wen, Jia Yunhe, Fu Yongkai, You Haibo



Floral and Fruit Development (FD) *FD-01. Flowering, Yield and Fruit Quality of Three Organically Grown Zucchini Cultivars Evaluated in two Different Cropping Seasons Elisabeth Abele, Jens Hartung, Michael Fleck, Sabine Zikeli, Simone Graeff-Hönninger *FD-02. Genetic Analysis of Trimonoecy in Watermelon Encarnación Aguado, Alicia García, Susana Manzano, Jonathan Romero, Gustavo Cebrian, Manuel Jamilena *FD-03. Quantitative Trait Loci for Parthenocarpic Fruit Set in Cucumber Identified from Biparental and Natural Populations Ronald Dymerski, Jr., Yiqun Weng *FD-04. Use of Grafting to Promote Flowering in Late and Short-day Flowering Cultigens of Squash Andrew Ogden, James Loy FD-05. Chemical Characterization of Cucurbita ficifolia Bouché During its Development and its Hypoglycemic Effect Araceli Moya-Hernández, Elsa Bosquez-Molina, José Verde-Calvo, Gerardo Blancas-Flores FD-06. CsERF31 and CsERF39 Play Key Roles in Cucumber Female Flower Differentiation by Activating M (CsACS2) Jian Pan, Haifan Wen, Huanle He, Junsong Pan, Gang Wang, Run Cai

Genetic Resources (GR) *GR-01. Reactions of Cornell Melon Breeding Lines to Cucumber mosaic virus and Their Horticultural Qualities Mikyeong Kim, Michael Mazourek, James D. McCreight, William M. Wintermantel GR-02. Exploring Spanish Watermelon Diversity for Resistance to Fungal Diseases Ana Garcés-Claver, Vicente González, Gorka Perpiñá, Eva Martínez, Belen Picó, Maria Luisa Gómez-Guillamón

Genomics (GE) *GE-01. Mapping of QTLs Controlling Seed Size by Whole-Genome Sequencing and Bulk Segregation Analysis in Watermelon Meiling Gao, Yu Guo, Xiujie Liu, Jixiu Liu, Yanling Zhang, Xiaoxue Liang *GE-02. Transcriptome Methods Identified Mobile mRNAs from Pumpkin Rootstock in Watermelon Scions that Respond to Chilling Stress Fei Cheng, Junyang Lu, Nannan Wei, Zhilong Bie

Cucurbitaceae 2018


*GE-03. Metagenomic and Metatranscriptomic Analyses of Diverse Watermelon Cultivars Reveal the Role of Fruit Associated Microbiome in Carbohydrate Metabolism and Ripening of Matured Fruits Carlos Ortiz, Umesh Reddy, Marleny Garcia, Thangasamy Saminathan, Padma Nimmakayala, Nagamani Balagurusamy GE-04. Differential Gene Expression in Fruits Across Reciprocal Grafts and Effects of Grafting on Fruit Quality and Weight Marleny Lozano, Hugh Dalton, Sudip Dutta, Yan Tomason, Carlos Ortiz, Padma Nimmakayala, Amnon Levi

Production and Quality (PQ) *PQ-01. Tissue Firmness and Hollow Heart Development in 2012, 2013 and 2014 Triploid Watermelon Variety Trials Marlee Trandel, Penelope Perkins-Veazie, Jonathan Schultheis *PQ-02. Fungicide Resistance Occurrence Determined for Cucurbit Powdery Mildew (Podosphaera xanthii) and Downy Mildew (Pseudoperonospora cubensis) using a Seedling Bioassay Margaret McGrath, Beth Gugino, Andrew Wyenandt, Kathryne Everts, Jake Jones *PQ-03. Performance of Pumpkin Lines Bred by World Vegetable Center in Different Highland Areas of Thailand During the Winter Season Nittaya Nokham, Nuengruethai Boonmala, Kasemsan Arsakit, Pedcharada Yusuk, Narinder P.S. Dhillon *PQ-04. Sucrose Concentration and Watermelon Flavor Quality Cathy Pham-Nguyen, Katriona Vigueras, Ebenezer Ogundiwin, Yen Ming Chang, Elly Soeryapranata *PQ-05. Recent Progress of Cucurbit Grafting in China Zhilong Bie PQ-06. Agronomic Performance of Some New Kirkagac Melon (Cucumis melo L. var. inodorus) Hybrids Developed by DH Technique Nebahat Sari, Irem Bicer, Ilknur Solmaz, Mihriban Namli PQ-07. Comparative Transcriptome Analysis Reveals Key Genes Potentially Related to Soluble Sugar and Organic Acid Accumulation in Watermelon Lei Gao, Shengjie Zhao, Xuqiang Lu, Nan He, Hongju Zhu, Junling Dou, Wenge Liu

*Brief poster introduction will be presented by author at the ONE-MINUTE POSTER PREVIEW PRESENTATIONS session on Tuesday 11:30 am, Conference Center Ballroom




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