Research Presentations


Cucumber – Breeding, Genetics, Genomics, & Pathology

  • Colle, M., B. Mansfeld, and R. Grumet. Genome-wide SNP discovery and identification of age-related resistance loci in cucumber by QTL-seq. Plant and Animal Genome Conference XXV, San Diego CA, Jan 14-18, 2017.
  • Mandal, M.K., J.L. Ikerd, E.C. Wallace, G. Rebbeca, W. Turechek, L.M. Quesada-Ocampo, and C.S. Kousik. Population biology of the downy mildew pathogen on tolerant and susceptible cucumber in the southeastern United States. Presented at the Annual meeting of the American Phytopathological Society, San Antonio, TX. 563-P, August 2017.
  • Mansfeld, B., M. Colle, and R. Grumet. Genome-wide SNP discovery and identification of age-related resistance loci in cucumber by QTL-seq. Plant and Animal Genome Conference XXV, San Diego CA, Jan 14-18, 2017.
  • Weng et al. 2018. Genetic architecture of downy mildew resistance in cucumber. Cucurbit workshop. Plant and Animal Genome Conference (Jan 9-13, 2018, San Diego, CA).
  • Weng Y. 2017. Improve QTL detection power: cucumber downy mildew resistance. An invited talk at China Agricultural University (Beijing, China, July 11, 2017)
  • Yuhui, W., K. VandenLangenberg, T. C. Wehner and Y. Weng. 2018. Genetic architecture of downy mildew resistance in cucumber. Plant Animal Genome Conf., San Diego CA.
  • Zheng Y. 2018. Cucurbit Genomics Database: Integration genetic and genomics resources for cucurbit breeding. PAG. January

  • Mansfeld, B., M. Colle, Y. Kang, and R. Grumet. Transciptomic and metabolic analysis of age related resistance of cucumber fruit to Phytophthora capsici. Plant and Animal Genome Conference XXIV, San Diego CA. Jan. 2016.

Melon – Breeding, Genetics, Genomics, & Pathology


  • McCreight, J.D., W.M. Wintermantel, and E.T. Natwick. Expression of Host Plant Resistance in Melon to Sweetpotato Whitefly in the Desert Southwest United States. DOI: 10.1603/ICE.2016.115559, XXV International Congress of Entomology, Orlando, FL, Sep. 2016.
  • McCreight, J.D., W.M. Wintermantel, and E.T. Natwick. New Sources of Resistance to CYSDV in Melon, In Cucurbitaceae 2016, XIth EUCARPIA Meeting on Genetics and Breeding of Cucurbitaceae, (Kozik EU and Paris HS, eds), Warsaw, Poland, (p. 61–65). July 24–28, 2016.
  • McGregor, C.E. Advances in Watermelon Breeding. Southeast Regional Fruit & Vegetable Conference, Savannah, GA, January 8-10, 2016.
  • Miller, N.F. and L.M. Quesada-Ocampo. Evaluation of fungicides for management of Fusarium wilt of watermelon. Phytopathology. (Abstract) 2016.
  • Wintermantel, W.M., J.D. McCreight, and E.T. Natwick. Epidemiology of Cucurbit yellow stunting disorder virus (CYSDV) and associated whitefly-transmitted viruses in the US Southwest and development of CYSDV resistant melon. Paper presentation at 2nd International Whitefly Symposium, Arusha, Tanzania, February 14-19,  2016.
  • Wintermantel, W.M., J.D. McCreight, and E.T. Natwick. Reservoir hosts of Cucurbit yellow stunting disorder virus and development of resistant melon. 13th International Plant Virus Epidemiology Symposium. Avignon, France, June 6-10, 2016.

  • McCreight, J.D., W.M. Wintermantel, and E.T. Natwick. Evaluations of melon germplasm reported to exhibit host plant resistance to sweetpotato whitefly. Entomological Society of America, Annual Meeting, Minneapolis, MN. Nov. 2015.

Pumpkin and Squash – Breeding, Genetics, Genomics, & Pathology


  • Krasnow, C.S., and M.K. Hausbeck.  Age-related resistance of Cucurbita spp. fruit to Phytophthora capsici.  Phytopathology 106:S1.5.  2016.
  • Mazourek M., W.L. Holdsworth, C. Hernandez, and K.E. LaPlan. Making up for lost time in Cucurbita molecular breeding.” Plant and Animal Genome Conference. San Diego, CA. 2016.
  • Miranda-Vélez, M, L. Wessel-Beaver, J.C. Verle-Rodrigues, and W. Seda-Martínez. Effect of leaf position on the assessment of resistance to Papaya ringspot virus and Zucchini yellow mosaic virus in tropical pumpkin. Proceedings of the 41st meeting of the Sociedad Puertorriqueña de Ciencias Agrícolas. p. 57.  Corozal, Puerto Rico, November 18, 2016.
  • Perkins-Veazie, P., J.R. Schultheis, G. Ma, and T. Birdsell.  Carotenoid content of butternut squash cultivars following harvest and storage. HortScience. 51(9):S358  2016.
  • Wessel-Beaver, L., and J.C. Verle-Rodrigues. Sources of variation in ELISA tests used to quantify ZYMV and PRSV resistance in Cucurbita moschata. In: Cucurbitaceae. Proceedings of the XIth Eucarpia meeting on genetics and breeding of Cucurbitaceae (E. Kozik and H. Paris, eds).  2016.
  • Wessel-Beaver, L., and J.C. Verle-Rodrigues. Sources of variation in ELISA Tests Used to Quantify ZYMV and PRSV Resistance in Cucurbita moschata. In Cucurbitaceae 2016, XIth EUCARPIA Meeting on Genetics and Breeding of Cucurbitaceae, (Kozik EU and Paris HS, eds), Warsaw, Poland, (p. 170-173). July 24–28, 2016.

  • Alzohairy, S., and M. Hausbeck.  Transcriptomic profiling of Cucurbita species to characterize the age-related resistance against Phytophthora capsici.  Page 19 in: Proceedings of the 1st International Soilborne Oomycete Conference, Duck Key, FL. Dec. 8-10, 2015.
  • Krasnow, C., and M. Hausbeck. Using directed fungicide applications to manage Phytophthora fruit rot of processing squash.  Page 23 in: Proceedings of the 1st International Soilborne Oomycete Conference, Duck Key, FL. Dec. 8-10  2015.

Watermelon – Breeding, Genetics, Genomics, & Pathology

  • Daley, J. and T. Wehner.  Screening for bacterial fruit blotch resistance in watermelon fruit. Abstract and Poster. Crop Science Society of America, Tampa, FL. 2017.
  • Kousik, C.S., Ikerd, J.L., and Mandal, M.K. 2018. Relative susceptibility of commercial watermelon varieties to powdery mildew. Presented at the Annual meeting of the Southern Division, American Phytopathological Society (SD-APS).Fayetteville, AR Feb 16-18, 2018.
  • Kousik, C.S., Mandal, M.K., Ikerd, J.L., Adkins, S., and Turechek, W. 2018. Powdery mildew resistant watermelon germplasm lines USVL608-PMR, USVL278-PMR, USVL313-PMR and USVL585-PMR. Presented at the Watermelon Research and Development Group (WRDG) meeting. Southern Region ASHS, Jacksonville, FL. February 2018.
  • Fei, Z. Genome variation elucidates evolution and domestication of fruit ripening and quality traits in watermelon. PAG. January, 2017
  • Guo, S., H. Sun, Y. Ren, J. Zhang, S. Tian, G. Gong, H. Zhang, Z. Fei, and Y. Xu. Genome variation elucidates evolution and domestication of fruit ripening and quality traits in watermelon. PAG. January, 2017.
  • Gimode, W.R. and C.E. McGregor. Fine Mapping of a Major Flowering Time Quantitative Trait Locus in Watermelon Using Single Nucleotide Polymorphisms, Hudson Alpha, Huntsville, Alabama, CROPS 2017.
  • Gimode, W.R., J. Clevenger and C.E. McGregor. Fine Mapping of a Major Flowering Time Quantitative Trait Locus in Watermelon. NAPB, University of California, Davis-CA, 2017.
  • Kousik, C.S. Presented an invited seminar on “Progress and challenges in managing watermelon diseases”. Department of Plant Pathology, University of Georgia Athens, GA, Aug. 2017. >50 attendees
  • Kousik, C.S., Ikerd, J.L. and Mandal, M.K. 2017. Long term monitoring of cucurbit powdery mildew (Podosphaera xanthii) races in Charleston, South Carolina. Presented at the Annual meeting of the American Phytopathological Society, San Antonio, TX August 2017. 503-P
  • Mandal, M.K., Suren, H. and Kousik, C.S. Transcriptomic profiling of watermelon-powdery mildew (Podosphaera xanthii) interactions. Presented at the Annual meeting of the American Phytopathological Society, 361-P, San Antonio, TX August 2017.
  • Patel, T. and T. Wehner. 2017. Identification of new resistance sources and SNPs markers in watermelon for anthracnose (Colletotrichum orbiculare). Abstract and Poster. National Association of Plant Breeders, Davis, CA.
  • Trandel, M.A., P. Perkins-Veazie, J. Schultheis, C. Gunter, and E. Johannes. 2018. Hollow heart formation in grafted and non-grafted watermelon. SR-ASHS, Jacksonville, FL, February.


Cucurbit – Breeding, Genetics, & Genomics

  • Fei, Z. 2018. Cucurbit Genomics Database for cucurbit genomics, genetics and breeding. PAG. January.
  • Fei Z, Wu S. 2017. Cucurbit Genomics Database Workshop. The XIV Solanaceae and III Cucurbitaceae Genomics Joint Conference. September.
  • Grumet R. 2017. The USDA-SCRI CucCAP project: Leveraging applied genomics to increase disease resistance in cucurbit crops. SCRI Advisory Board Meeting, Aug. 17, Traverse City MI
  • Ling, K.-S. 2017. Presented invited seminars on “Developing genome-guided strategies to manage viral diseases of cucurbit crops” in four institutions throughout China, including: Zhengzhou Fruit Research Institute, Beijing Vegetable Research Center (China, Israel, and the U.S. Workshop on Cucurbit Research), Zhejiang Academy of Agricultural Sciences Fujian Agricultural and Forestry University.
  • Mansfeld B, Grumet R. 2018. QTLseqr: An R package for bulk segregant analysis with next generation sequencing. PAG XXVI, San Diego CA.
  • Wu S. 2018. Cucurbita genome sequences provide insights into polyploid genome evolution and heterosis in interspecific hybrid. PAG. January.
  • Wu S, Zhong Y, Grumet R, Levi A, Weng Y, Mazourek M, McCreight J, Katzir N, Garcia-Mas J, Fei Z. 2017. Cucurbit genomics database. Sol/Cuc Conference, Valencia, Spain

 

  • Fei, Z. Genome sequencing of sweetpotato wild progenitors. Institute of Vegetables and Flowers, CAAS. April, 2016
  • Kousik, C.S. Breeding rootstocks of cucurbit vegetable crops for resistance to biotic and abiotic stress. Platinum Jubilee Celebrations, Indian Horticulture Congress, New Delhi, India, 300+ attendees. November 15, 2016.
  • Krasnow, C.S., and Hausbeck, M.K. Age-related resistance of Cucurbita spp. fruit to Phytophthora capsici. Abstr. Phytopathology 106 (Suppl.):S1.5. 2016.
  • Linares-Ramirez, A.M. Cucurbits: From to the field to the lab. Agricultural Experiment Station, University of Puerto Rico. 2016.
  • Schultheis, J.R. Grafted vs. nongrafted watermelon studies. NC Watermelon Convention. Wrightsville Beach, NC. Mar. 2016.
  • Schultheis, J.R. and W.B. Thompson. Watermelon yield and fruit size response to grafted versus non-grafted transplants in plasticulture and bare ground production systems. Watermelon Research Group, San Antonio, TX, Feb. 2016.
  • Schultheis, J.R. and W. B. Thompson. Watermelon cultivar yield and quality trial results, North Carolina, 2015. Watermelon Research Group, San Antonio, TX, Feb. 2016.

Cucurbit pathology

  • Kousik, C.S., Ikerd, J.L. and Mandal, M.K. Long term monitoring of cucurbit powdery mildew (Podosphaera xanthii) races in Charleston, South Carolina. Presented at the Annual meeting of the American Phytopathological Society, San Antonio, TX,  503-P, August 2017.
  • Noel N. and L. M. Quesada-Ocampo. Characterizing Colletotrichum orbiculare, the causal agent of cucurbit anthracnose, for fungicide efficacy and host susceptibility in North Carolina. Phytopathology: 2017.
  • Parada-Rojas C. H. and L. M. Quesada-Ocampo. Population structure of the oomycete soil borne pathogen Phytophthora capsici in North Carolina. Phytopathology: 2017.
  • Quesada-Ocampo LM. From the field to the lab and back: translational strategies to improve disease control in vegetable crops. VIB-PSB-NC State Plant Sciences Workshop, Ghent, Belgium. 2017.
  • Rahman A., E. Wallace, J. Crouch, F. Martin, and L. M. Quesada-Ocampo.  Unravelling historical shifts in Pseudoperonospora cubensis populations in the U.S. that resulted in the 2004 cucurbit downy mildew epidemic. Phytopathology: 2017.
  • Rahman, A., F. Martin, A. Shands, T. Miles, and L. M. Quesada-Ocampo. Using comparative genomics to develop biosurveillance tools for the cucurbit downy mildew pathogen Pseudoperonospora cubensis. Oomycete Molecular Genetics Network Meeting, Pacific Grove, CA, March 2017.
  • Ramon M. L., F. N. Martin, and L. M. Quesada-Ocampo. TaqMan assay for differentiation of Pseudoperonospora humuli and P. cubensis host specialized clades. Phytopathology: 2017.
  • Smart, C.D. James Hutton Institute, August 10, 2017, Dundee Scotland. Comparing sexual and asexual Phytophthora species.
  • Smart, C.D. SUNY Potsdam November 2017, Potsdam NY. Genomic approaches to understand and manage plant disease epidemics.
  • Sui, X., Li, R., Wu, Z., Ling K.-S. 2018. Seed transmissibility of Cucumber Green Mottle Mosaic Virus in cucurbits and seed health assays. Presented at the Watermelon Research and Development Group (WRDG) meeting. Southern Region ASHS, Jacksonville, FL. February 2018.
  • Vogel, G., LaPlant, K., Reeves, E., Mazourek, M., Gore, M. and Smart, C.D. 2017. Evaluation of Cucurbita pepo breeding lines with reduced susceptibility to root and crown rot caused by Phytophthora capsici. American Phytopathological Society. San Antonio TX August 2017.


  • Hausbeck, M.K., and A. Cook.   The downy mildew report.  Pages 9-14 in: Pickling Cucumber Session Summaries, Great Lakes Fruit, Vegetable and Farm Market Expo, Grand Rapids, MI, Dec. 2015.
  • Hausbeck, M.K.  Rots and blights of vegetables.  Pages 71-79 in: Proceedings of the Lower Mainland Horticultural Improvement Association/Pacific Agriculture Show Horticultural Growers’ Short Course, Field Vegetables Session, Abbotsford, BC. 2015.
  • Kousik, C.S., and J.L. Ikerd. Reaction of Phytophthora fruit rot resistant germplasm lines to a broad range of Phytophthora capsici isolates from across United States of America. International Soilborne Oomycete Conference, Duck Key, FL. December 2015.