Research Presentations


Cucumber – Breeding, Genetics, Genomics, & Pathology

  • Grumet, R., Cucumber fruit development and resistance to Phytophthora capsici. Nanjing Agricultural University, Nanjing China, 2018.
  • Grumet, R., Cucumber fruit development and resistance to Phytophthora capsici. Beijing Vegetable Research Institute, Beijing China, 2018.
  • Grumet, R., Cucumbers – the CucCAP project, genetic diversity, and resistance to Phytophthora capsici. University of Illinois, Champaign IL, 2018.
  • Lin, Y.C., R. Grumet. Genetic analysis of young fruit resistance to Phytophthora capsici in cucumber. American Society for Horticultural Sciences.  2018.
  • Lin, Y.C, Grumet R. 2018. Genetic analysis of young fruit resistance to Phytophthora capsici in cucumber. National Association of Plant Breeders, Guelph Ontario
  • Lin, Y.C, Grumet R. 2018. QTL-seq of young fruit resistance to Phytophthora capsici in cucumber. Cucurbitaceae 2018, Davis CA
  • Mansfeld, B., Grumet R. 2018. Differential transcriptomic responses to infection associated with cucumber age-related resistance to Phytophthora capsici. American Society for Plant Biology.
  • Mansfeld, B., Grumet R. 2018. Inhibitory effects of cucumber fruit age-related resistance to Phytophthora capsici manifest within 24 hours of infection. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Mansfeld, B., Grumet R. 2019. Gene expression dynamics of age-related resistance of cucumber to Phytophthora capsici. Plant and Animal Genome XXVII Conference. Jan. 12-16, 2019.
  • Thammapichai, P., Pan JS, Koo D-H, YH Han, JM Jiang, Y. Weng. 2018 Genomics-aided development and characterization of Cucumis hystrix introgression lines in cucumber. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Wang, Y.H., J.Y. Tan, Z.M. Wu, K. VandenLangenberg, T.C. Wehner, C.L. Wen, X.Y.  Zheng, K. Owens, A. Thornton, H.H. Bang, E. Hoeft, P.A.G. Kraan, J. Suelmann, J.S. Pan, and Y. Weng. A loss-of-susceptibility mutation in the STAYGREEN gene (CsSGR) provides durable, broad-spectrum disease resistances for US cucumber production. Cucurbitaceae 2018, Davis CA, Nov. 12-15, 2018.
  • Wang, Y.H., K. VandenLangenberg, T.C. Wehner, and Y. Weng. Genetic architecture of downy mildew resistance in cucumber. Abstract for Plant and Animal Genome Conference XXVII, San Diego, CA, Jan 12-16, 2018.
  • Wang X. 2018. The USDA Cucumber (Cucumis sativus L.) Collection: Genetic Diversity, Population Structure, Genome-Wide Association Studies and Core Collection Development. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Weng, Y. Genetic basis of downy mildew resistance in cucumber. Cucurbitaceae 2018, Davis CA, Nov. 12-15, 2018.
  • Weng, Y. ‘Molecular Breeding Infrastructure Development in the USDA-ARS/University of Wisconsin Cucumber Improvement Program’. Invited talk at First China National Conference on Molecular Breeding in Horticulture Crops, Harbin, China, July 29, 2018.
  • Weng, Y. ‘Cucumber Molecular Breeding- current status and perspectives’. Invited talk in the Institute of Vegetable Research. Sichuan Academy of Agricultural Sciences, Chengdu, China, May 7, 2018.
  • Zhang, C., B.M. Mansfeld, and R. Grumet. Development of a real-time fluorescence based microplate assay for pathogen growth on plant tissue: Phytophthora capsici infection of cucumber fruit. Cucurbitaceae 2018, Davis CA, Nov. 12-15, 2018.

  • 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. Phytopathology 107: S5.127. 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 XXVI, San Diego, CA. Jan. 9-13, 2018.
  • 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 and Animal Genome Conference XXVI, San Diego, CA. Jan. 9-13, 2018.
  • Zheng Y. 2018. Cucurbit Genomics Database: Integration genetic and genomics resources for cucurbit breeding. Plant and Animal Genome Conference XXVI, San Diego, CA. Jan. 9-13, 2018.

Melon – Breeding, Genetics, Genomics, & Pathology

  • McCreight, J.D., D. Coffey Michael, K. Ando, and S. Kousik Chandrasekar. 2018. Cucurbit powdery mildew races on melon: current status in the U.S., American Society for Horticultural Science 2018 Annual Conference, Washington, D.C., July 30–August 3.

  • Ando, K. and McCreight, J.D. 2018. Potential for Production of Turkmen Melons in California, Nation Association of Plant Breeders annual meeting, Davis, CA, 7-10 August 7-10 2018.
  • Ando, K., X. Wang, U. Reddy, Z. Fei, and J. McCreight. 2018. Exploring Genetic Diversity in The U.S. National Melon Collection. Cucurbitaceae 2018, Univ. California, Davis, 12-15 November 2018.
  • Ando, K., X. Wang, Z. Fei, W. Wintermantel, and J. McCreight. 2018. Where in The New Melon Classification Schemes Does Cucumis melo ssp. agrestis var. texanus Belong? Cucurbitaceae 2018, Univ. California, Davis, 12-15 November 2018.
  • Ando, K., X. Wang, U. Reddy, Z. Fei, and J. McCreight. 2018. Exploring Genetic Diversity in The U.S. National Melon Collection. Cucurbitaceae 2018, Univ. California, Davis, 12-15 November 2018.
  • Ando, K., W.M. Wintermantel, and J.D. McCreight. 2018. Phylogenetic analyses confirm the unique status of the wild new world melon, Cucumis melo ssp. agrestis var. texanus, and suggest it be tentatively designated Group Texanus in the recent revision of melon nomenclature, American Society for Horticultural Science 2018 Annual Conference, Washington, D.C., July 30–August 3,.
  • Branham, S.E., A. Levi, M. Katawczik, Z. Fei, and W.P. Wechter. Construction of a High-Density Genome- Anchored Genetic Map for Melon (Cucumis melo L.) and Identification of Fusarium oxysporum f. sp. melonis Race 1 Resistance QTL.  (poster) Plant and Animal Genome XXVII Conference. Jan. 12-16, 2018.
  • Indermaur, E., J. Schultheis, and K. Starke. Galia specialty melon opportunities and evaluations. SR-ASHS, Jacksonville, FL, February 2018.
  • Wechter P, Branham S, Levi A. 2017. 66-P: GBS-SNP-based linkage mapping and QTL associated with resistance to race 1 Fusarium wilt in Cucumis melo. American Phytopathological Society. 266-P


  • 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.

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

  • Kousik, C.S. 2018. Progress and Challenges in managing Phytophthora fruit rot of cucurbits. Keynote address presented at the 2nd International Soilborne Oomycete Conference, Keys, FL. December 2018. Proceedings of the 2nd International Soilborne Oomycete conference, Page 13.
  • Kousik, C.S., Ikerd, J.L., and Mandal, M.K. 2018. Developing Sources of Resistance in Winter Squash (Cucurbita moschata) to Crown and Root Rot caused by Phytophthora capsici. Proceedings of the 2nd International Soilborne Oomycete conference, Page 39.
  • LaPlant, K. and Mazourek M. 2018. Introgression mapping of wild species-derived resistance to viruses in Cucurbita. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Kousik, C.S., Ikerd, J.L., and Mandal, M.K. 2018. New Sources of Resistance to Phytophthora Crown and Root Rot in Cucurbita moschata. Presented at Cucurbitaceae 2018, Davis, CA. Cucurbitaceae 2018 conference abstracts, Page 54.
  • Miranda-Vélez, M., L. Wessel-Beaver and J.C.V. Rodrigues. 2018. Disease assessment, inference on virus movement, and seedling development in tropical pumpkin (Cucurbita moschata) infected with Papaya ringspot virus and Zucchini yellow mosaic virus. Reunión Científica de Estudiantes Graduados, Sociedad Puertorriqueña de Ciencias Agrícolas. May 18, 2018. College of Agriculture, University of Puerto Rico, Mayaguez.
  • Miranda-Vélez, M., L. Wessel-Beaver and J.C.V. Rodrigues. 2018. Disease assessment in seedlings of tropical pumpkin infected with PRSV and ZYMV. Cucurbitaceae 2018. November 12-15, 2018. Davis, California.
  • Seda-Martínez, W., M. Miranda-Vélez, L. Wessel-Beaver and A. M. Linares-Ramirez. 2017. Approaches to Phenotyping PRSV and ZYMV Resistance in Tropical Pumpkin. HortScience 45(8):S234.
  • Seda-Martínez, W., L. Wessel-Beaver and A. Linares-Ramírez. 2018. Effect of two Potyviruses on development and yield of tropical pumpkin. Cucurbitaceae 2018. November 12-15, 2018. Davis, California.
  • Vogel, G., LaPlant, K., Mazourek, M., Gore, M., and Smart, C.D. 2018. Bulked segregant analysis with whole-genome resequencing to map QTL involved in Phytophthora crown and root rot resistance in Cucurbita pepo. Phytopathology 108:S1.1. ICPP, Boston, MA. August 1, 2018.
  • Vogel, G., LaPlant, K. Mazourek M., Gore M. and Smart, C. 2018. Next-Generation Sequencing Bulk Segregant Analysis Reveals Multiple Loci Involved in Phytophthora Root and Crown Rot Resistance in Squash. Cucurbitaceae 2018. November 12-15, 2018. Davis, California.


  • 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 2016. Proceedings of the XIth Eucarpia meeting on genetics and breeding of Cucurbitaceae. E.U. Kozik and H.S. Paris, 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

  • Branham S., A. Levi, M. Farnham, and P. Wechter. Quantitative Trait Loci Mapping of Resistance to Fusarium oxysporum f. sp. niveum race 2 in Citrullus lanatus var. Citroides using Genotyping-by- Sequencing (GBS). Plant and Animal Genome Conference XXV , San Diego CA, Jan 15, 2017.
  • Branham, S.E., A. Levi, and W.P. Wechter. Genetics of Resistance to Fusarium Wilt Races 1 and 2 in Watermelon. Southern Region American Society for Horticultural Science Annual Meeting. Jacksonville, FL. Feb. 3, 2018.
  • Branham, S.E., Levi, A., Katawczik, M.L., Fei, Zhangjun and Wechter, W.P. Keynote address. Genomics-enabled genetic mapping and marker development of disease resistance loci in melon and watermelon. Cucurbitaceae 2018, Univ. California, Davis, 12-15 November 2018.
  • Branham, S., Patrick, W.W., Mandal, M.K., Ikerd, J.L. and Kousik, C.S. 2018. QTL Mapping of Resistance to Powdery Mildew in Cucumis melo MR-1 Using a Recombinant Inbred Line Population. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Gimode, W.R., J. Clevenger and C.E. McGregor. Effort to Identify Quantitative Trait Locus Associated with Gummy Stem Blight Resistance in Watermelon. IPBGG Retreat 2018, Pine Mountain, GA. 2018.
  • Gimode, W.R., Y. Xu, Z. Fei and C.E. McGregor. Identification of Quantitative Trait Loci Associated with Gummy Stem Blight Resistance in Watermelon. Southern Region American Society for Horticultural Science, Birmingham, AL.  2019.
  • Guo, S., Comparative population genomics reveals the evolution of fruit quality traits during watermelon domestication. Plant and Animal Genome XXVII Conference. Jan. 12-16, 2018.
  • Kousik, C.S., Ikerd, J.L., and Mandal, M.K. 2018. Relative Susceptibility of Commercial Watermelon Varieties to Powdery Mildew and Phytophthora Fruit Rot. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018. Cucurbitaceae 2018 conference abstracts, Page 51.
  • Kousik, C.S., Ikerd, J.L., Mandal, M.K. and Wadl, P. 2018. Genetics of Resistance to Powdery Mildew in Watermelon Line USVL608-PMR. Presented at Cucurbitaceae 2018, Davis, CA. Cucurbitaceae 2018 conference abstracts, Page 55.
  • Lonnee M., W.R. Gimode, and C.E. McGregor. 2018. Evaluation of Gummy Stem Blight Resistance in Watermelon Using Stagonosporopsis spp. Isolates. CAES, Young Scholars Athens, GA.
  • McGregor, C.E. 2019. Out of Africa: The Story of Watermelon Disease Resistance. Georgia Association of Plant Pathologists annual meeting. Savannah, GA.
  • Reyes, J., Villari, C., Brewer, M. and C.E McGregor. 2018. Detection of the Gummy Stem Blight-Causing Pathogens (Stagonosporopsis spp.) in Watermelon Using Species-Specific LAMP Assays. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Schultheis, J.R. and K.D. Starke. 2018. Standard size watermelon cultivar yield and quality results, North Carolina, 2017. HortScience 53(9 ):S502 (abstr.).
  • Starke, K.D. and J.R. Schultheis. 2018. Mini watermelon cultivar yield and quality results, North Carolina, 2017. HortScience 53 (9):S502 (abstr.).
  • Trandel, M.A., P. Perkins-Veazie, J. Schultheis, C. Gunter, and E. Johannes. 2018. Hollow heart formation in grafted and nongrafted watermelons. HortScience 53(9):S461 (abstr.).
  • Trandel, M., P. Perkins-Veazie, and J. Schultheis. 2018. Tissue firmness and hollow heart development in 2012, 2013, and 2014 triploid watermelon variety trials.
  • Trandel, M.A., P. Perkins-Veazie, J. Schultheis, C. Gunter, and E. Johannes. 2018. Hollow heart formation in grafted and nongrafted watermelons. HortScience 53(9):S503 (abstr.).Cucurbitaceae 2018.

  • 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 15, 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.
  • Hartman, J. and T. C. Wehner. 2017. Inheritance of citrulline and lycopene content in two watermelon populations. Watermelon Research Development Group, TX.
  • 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. CucCAP: Leveraging Applied Genomics to Increase Disease Resistance in Cucurbit Crops. Syngenta. March 2019.
  • Fei, Z. Application of bioinformatics and genomics to crop improvement. Chinese Academy of Agricultural Science. November 2018.
  • Fei, Z. Cucurbit genome database. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Fei, Z. CucCAP: Leveraging Applied Genomics to Increase Disease Resistance in Cucurbit Crops. Northeast Agricultural University. August 2018.
  • Fei, Z. CucCAP: Leveraging Applied Genomics to Increase Disease Resistance in Cucurbit Crops. Agricultural Genomics Institute of Shenzhen. May 2018.
  • Fei, Z., K. Ando, K. Bao, J. Labate, A. Levi, M. Mazourek, J. McCreight, T. Patel, A. Ramirez-Madera, U. Reddy, Reeves, X. Wang, T. Wehner, Y. Weng, S. Wu and R. Grumet. Characterization of the USDA germplasm collections for watermelon, melon, cucumber and squash using genotyping-by- sequencing. American Society for Horticultural Science Annual Conference, Washington, D.C. July 31-Aug. 3, 2018.
  • Grumet, R. et al. Genomic analysis of cucurbit PI collections. American Society for Horticultural Science, Washington DC, July 31-Aug. 3, 2018.
  • Grumet R. 2018. Genomic analysis of cucurbit PI collections. NC-7 Meeting, Regional Plant Introduction Station, Ames IA
  • Grumet, R. et al. The CucCAP project: Genomic Tools and Resources to Facilitate Breeding for Disease Resistance in Cucurbits.
  • LaPlant, K. and Mazourek M. 2018. Introgression mapping of wild species-derived resistance to viruses in Cucurbita. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Mandal, M.K., Suren, H., Ward, B., Boroujerdi, A., Kousik, C.S. 2018. Role of Antioxidant Molecule Melatonin in Plant-Host Resistance and Pathogen Suppression in Cucurbits. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.
  • Mansfeld B, Grumet R. 2018. QTLseqr: An R package for bulk segregant analysis with next generation sequencing. National Association for Plant Breeders, Guelph Ontario
  • Wu S. 2018. Pan-genomes of the Citrullus Species. CUCURBITACEAE 2018, Davis CA, Nov. 12-15, 2018.

  • Fei, Z. Cucurbit Genomics Database for cucurbit genomics, genetics and breeding. Plant and Animal Genome XXVII Conference. Jan. 12-16, 2018.
  • Fei Z, Wu S. Cucurbit Genomics Database Workshop. The XIV Solanaceae and III Cucurbitaceae Genomics Joint Conference (SolCuc). Valencia, Spain, September 2017.
  • 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. Plant and Animal Genome XXVII Conference. Jan. 12-16, 2018.
  • Wu S. \Cucurbita genome sequences provide insights into polyploid genome evolution and heterosis in interspecific hybrid. Plant and Animal Genome XXVII Conference. Jan. 12-16, 2018.
  • 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. The XIV Solanaceae and III Cucurbitaceae Genomics Joint Conference (SolCuc). Valencia, Spain, September 2017.

  • 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

  • D’Arcangelo K., Miles T., and Quesada-Ocampo L. M. Pseudoperonospora cubensis populations infecting wild and commercial cucurbit hosts display host-specific sensitivity to fungicides. Phytopathology. 2018.
  • D’Arcangelo K., Miles T., and Quesada-Ocampo L. M. Occurrence of fungicide resistance in Pseudoperonospora cubensis populations causing cucurbit downy mildew in commercial and wild hosts. Phytopathology 107: S5.63. 2017.
  • Guo, Y., Krasnow, C., and Hausbeck, M.K. 2018. Population structure, virulence and resistance to mefenoxam of Phytophthora capsici in Michigan. American Phytopathological Society Annual Meeting, Boston, MA, 29 Jul-3 Aug. Poster presentation.
  • Kousik, C.S. 2018. Progress and Challenges in managing Phytophthora fruit rot of cucurbits. Keynote address presented at the 2nd International Soilborne Oomycete Conference. December 4-6, 2018; Islamorada, Florida.
  • Lebeda, A., E. Kristkova, B. Sedlakova, J.D. McCreight, and E. Kosman. 2018. Application of a new approach for study of virulence variation in cucurbit powdery mildew populations. International Congress of Plant Pathology, Boston, 30 July-2 August 2018
  • Lebeda, A., B. Sedlakova, E. Kristkova, J. McCreight, E. Kosman. 2018. Cucurbit powdery mildew population virulence variation–complex view from a global perspective. Cucurbitaceae 2018, Univ. California, Davis, 12-15 November 2018.
  • Noel N. and Quesada-Ocampo L. M. 2017. Characterizing Colletotrichum orbiculare, the causal agent of cucurbit anthracnose, for fungicide efficacy and host susceptibility in North Carolina. Phytopathology 107: S5.77.
  • Parada-Rojas C. H. and Quesada-Ocampo L. M. 2017. Population structure of the oomycete soilborne pathogen Phytophthora capsici in North Carolina. Phytopathology 107: S5.21.
  • Quesada-Ocampo L. M. 2017. Next generation sequencing to develop molecular diagnostics for Pseudoperonospora cubensis. Phytopathology 107: S5.150.
  • Rahman A. and Quesada-Ocampo L. M. 2018. Biosurveillance for precision disease management of Pseudoperonospora cubensis, the cucurbit downy mildew pathogen. Phytopathology
  • Rahman A., Martin F., Shands A., Miles T., and Quesada-Ocampo L. M. 2017. Using comparative genomics to develop biosurveillance tools for the cucurbit downy mildew pathogen Pseudoperonospora cubensis. Oomycete Molecular Genetics Network Meeting, Pacific Grove, CA.
  • Rahman A., Wallace E., Crouch J., Martin F., and Quesada-Ocampo L. M. 2017. Unravelling historical shifts in Pseudoperonospora cubensis populations in the U.S. that resulted in the 2004 cucurbit downy mildew epidemic. Phytopathology 107: S5.22.
  • Wallace E. C. and Quesada-Ocampo L. M. 2017. Examining the population structure of the cucurbit downy mildew pathogen, Pseudoperonospora cubensis, by host, location, and time. Phytopathology 107: S4.6.
  • Wechter, W.P. 2019. Cucurbit and Brassica pathology research at the U.S. Vegetable Laboratory: Old- school and New-school approaches to plant disease resistance. Invited seminar at the Department of Plant Pathology, University of California-Davis.

  • Quesada-Ocampo L. M. 2017. Next generation sequencing to develop molecular diagnostics for Pseudoperonospora cubensis. Phytopathology 107: S5.150.
  • D’Arcangelo K., T. Miles, and L.M. Quesada-Ocampo. 2017. Occurrence of fungicide resistance in Pseudoperonospora cubensis populations causing cucurbit downy mildew in commercial and wild hosts. Phytopathology 107: S5.63.
  • Parada-Rojas C. H. and Quesada-Ocampo L. M. 2017. Population structure of the oomycete soilborne pathogen Phytophthora capsici in North Carolina. Phytopathology 107: S5.21.
  • Rahman A., Wallace E., Crouch J., Martin F., and Quesada-Ocampo L. M. 2017. Unravelling historical shifts in Pseudoperonospora cubensis populations in the U.S. that resulted in the 2004 cucurbit downy mildew epidemic. Phytopathology 107: S5.22.
  • Wallace E. C. and Quesada-Ocampo L. M. 2017. Examining the population structure of the cucurbit downy mildew pathogen, Pseudoperonospora cubensis, by host, location, and time. Phytopathology 107: S4.6.
  • 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: August 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.

Other Cucurbit Research Presentations

  • Bertucci, M.B., K.M. Jennings, D.W. Monks , F.J. Louws, D.L. Jordan, and J.R. Schultheis. Palmer amaranth Interference and Seed Production in Grafted and Nongrafted Watermelon. Southern Weed Science Society Annual meeting. Atlanta, GA. January 23, 2018.
  • Bertucci M.B., Jennings K.M., Monks D.W., Louws F.J., Jordan D.L., Schultheis J.R. Critical period for weed control in grafted vs nongrafted watermelon. Southern Weed Science Society Annual meeting. Birmingham, AL. January 24,  2017.
  • Bertucci, M.B., K.M. Jennings, D.W. Monks , F.J. Louws, D.L. Jordan, J.R. Schultheis, S.C. Smith, N.A. Basinger, and M.D. Waldschmidt. Influence of grafting on the critical period for weed control in watermelon. Southern Region American Society for Horticultural Science Annual meeting. Mobile, AL. February 4, 2017.
  • Bertucci, M.B., K.M. Jennings, D.W. Monks , F.J. Louws, D.L. Jordan, and J.R. Schultheis. Influence of grafting on the critical period for weed control in watermelon. Weed Science Society of America Annual meeting. Tuscon, AZ. February 7,  2017.
    Bertucci, M.B., K.M. Jennings, D.W. Monks , F.J. Louws, D.L. Jordan, and J.R. Schultheis. Influence of grafting on the critical period for weed control in watermelon. Weed Science Society of North Carolina Annual meeting. Raleigh, NC. March 6, 2017.