Research Project: Genetic Enhancement of Lettuce, Spinach, Melon, and Related Species

Location: Crop Improvement and Protection Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Over-expression of Oshox4 enhances drought and salinity tolerance in rice - (Peer Reviewed Journal)
Zhou, W.Q., Zhou, Y.Q., He, C.Y., Mou, B., Zhou, W. 2020. Over-expression of Oshox4 enhances drought and salinity tolerance in rice. Russian Journal of Plant Physiology. 67:1152-1162. https://doi.org/10.1134/S1021443720060205.

Chitosan as soil amendments affects lettuce growth, photochemical efficiency and gas exchange - (Peer Reviewed Journal)
Xu, C., Mou, B. 2018. Chitosan as soil amendments affects lettuce growth, photochemical efficiency and gas exchange. HortTechnology. 28(4):476-480. https://doi.org/10.21273/HORTTECH04032-18.

Genetic relationships and structured diversity of Lactuca georgica germplasm from Armenia and the Russian Federation among other members of Lactuca L., subsection Lactuca L., assessed by TRAP markers - (Peer Reviewed Journal)
Beharav, A., Hellier, B.C., Richardson, K.L., Lebeda, A., Kisha, T.J. 2018. Genetic relationships and structured diversity of Lactuca georgica germplasm from Armenia and the Russian Federation among other members of Lactuca L., subsection Lactuca L., assessed by TRAP markers. Genetic Resources and Crop Evolution. 65(7):1963-1978. https://doi.org/10.1007/s10722-018-0669-7.

Shift in accumulation of flavonoids and phenolic acids in lettuce attributable to changes in ultraviolet radiation and temperature - (Peer Reviewed Journal)
Sytar, O., Zivcak, M., Bruckova, K., Brestic, M., Olsovska, K., Hemmerich, I., Rauh, C., Simko, I. 2018. Shift in accumulation of flavonoids and phenolic acids in lettuce attributable to changes in ultraviolet radiation and temperature. Scientia Horticulturae. 239:193–204. https://doi.org/10.1016/j.scienta.2018.05.020.

Understanding salt tolerance in lettuce - (Abstract Only)
Adhikari, N.D., Whitten, D., Soria, A., Simko, I., Mou, B. 2018. Understanding salt tolerance in lettuce. American Society of Horticultural Science Annual Meeting, July 31-August 3, 2018, Washington, DC.

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 - (Abstract Only)
Ando, K., Wintermantel, W.M., McCreight, J.D. 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 Annual Conference, July 31-August 3, 2018, Washington, DC.

Cucurbit powdery mildew races on melon: current status in the U.S. - (Abstract Only)
McCreight, J.D., Coffey, M.D., Ando, K., Kousik, C.S. 2018. Cucurbit powdery mildew races on melon: Current status in the U.S.. American Society for Horticultural Science Annual Conference, July 31-August 3, 2018, Washington, DC.

Accuracy, reliability, and timing of visual evaluations of decay in fresh-cut lettuce - (Peer Reviewed Journal)
Simko, I., Hayes, R.J. 2018. Accuracy, reliability, and timing of visual evaluations of decay in fresh-cut lettuce. PLoS One. 13(4):e0194635. https://doi.org/10.1371/journal.pone.0194635.

Application of a new approach for study of virulence variation in cucurbit powdery mildew populations - (Abstract Only)

Virulence variation of cucurbit powdery mildews in the Czech Republic – population approach - (Peer Reviewed Journal)
Lebeda, A., Krístková, E., Sedláková, B., Mccreight, J.D., Kosman, E. 2018. Virulence variation of cucurbit powdery mildews in the Czech Republic – population approach. European Journal of Plant Pathology. 1-18. https://doi.org/10.1007/s10658-018-1476-x.

Genome-wide association mapping of loci for the rate of deterioration in fresh-cut lettuce - (Abstract Only)
Sthapit, J., Mou, B., Hayes, R.J., Simko, I. 2018. Genome-wide association mapping of loci for the rate of deterioration in fresh-cut lettuce. American Society of Plant Biologists Annual Meeting, July 14-18, 2018, Montreal, Canada.

Lettuce and spinach breeding - (Other)
Simko, I., Mou, B., McCreight, J.D. 2018. Lettuce and spinach breeding. California Leafy Greens Research Program Annual Meeting, March 27, 2018, Pismo Beach, California.

Genome-wide association mapping of deterioration in fresh-cut lettuce - (Abstract Only)
Sthapit, J., Mou, B., Simko, I., Hayes, R.J. 2018. Genome-wide association mapping of deterioration in fresh-cut lettuce. American Society of Horticultural Science Annual Meeting, July 31-August 3, 2018, Washington, DC.

Molecular markers reliably predict post-harvest decay of fresh-cut lettuce in modified atmosphere packaging - (Peer Reviewed Journal)
Simko, I., Hayes, R.J., Truco, M., Michelmore, R.W., Antonise, R., Massoudi, M. 2018. Molecular markers reliably predict post-harvest decay of fresh-cut lettuce in modified atmosphere packaging. Horticulture Research. 5:21. https://doi.org/10.1038/s41438-018-0022-5.

Cucurbit powdery mildew-resistant bitter gourd breeding lines reveal four races of Podosphaera xanthii in Asia - (Peer Reviewed Journal)

PCR assay for Verticillium dahliae race 1 resistance in lettuce based on genome sequencing of 61 accessions - (Abstract Only)
Inderbitzin, P., Reyes-Chin Wo, S., Christopoulou, M., Michelmore, R.W., Subbarao, K.V., Simko, I. 2018. PCR assay for Verticillium dahliae race 1 resistance in lettuce based on genome sequencing of 61 accessions. International Congress of Plant Pathology, July 29-August 3, 2018, Boston, Massachusetts.

Characterization of resistance to lettuce drop, and its association with plant architecture and composition in lettuce - (Abstract Only)
Mamo, B.E., Adhikari, N.D., Foster, C., Zucker, L., Hayes, R.J., Subbarao, K.V., Simko, I. 2018. Characterization of resistance to lettuce drop, and its association with plant architecture and composition in lettuce. International Congress of Plant Pathology, July 29-August 3, 2018, Boston, Massachusetts.

Release of three iceberg lettuce populations that combined resistance to two soil borne diseases - (Peer Reviewed Journal)
Hayes, R.J., Sandoya, G., Mou, B., Simko, I., Subbarao, K.V. 2018. Release of three iceberg lettuce populations that combined resistance to two soil borne diseases. HortScience. 53(2):247-250. https://doi.org/10.21273/HORTSCI12559-17.

Genetic differentiation and diversity upon genotype and phenotype in cowpea (Vigna unguiculata L. Walp.) - (Peer Reviewed Journal)
Xiong, H., Qin, J., Shi, A., Mou, B., Wu, D., Sun, J., Shu, X., Wang, Z., Lu, W., Ma, J., Weng, Y., Yang, W. 2018. Genetic differentiation and diversity upon genotype and phenotype in cowpea (Vigna unguiculata L. Walp.). Euphytica. 214:4. https://doi.org/10.1007/s10681-017-2088-9.

Cucurbits powdery mildew race identity and reaction of melon genotypes - (Peer Reviewed Journal)
Rabelo, H.O., Santos, L.S., Diniz, G.M., Marin, M.V., Braz, L.T., Mccreight, J.D. 2018. Cucurbits powdery mildew race identity and reaction of melon genotypes. Pesquisa Agropecuária Tropical. 47:440–447. http://dx.doi.org/10.1590/1983-40632017v4749537.

Genetic diversity and population structure analysis of spinach by single-nucleotide polymorphisms identified through genotyping-by-sequencing - (Peer Reviewed Journal)
Shi, A., Qin, J., Mou, B., Correll, J., Weng, Y., Brenner, D., Feng, C., Motes, D., Yang, W., Dong, L., Bhattarai, G., Ravelombola, W. 2017. Genetic diversity and population structure analysis of spinach by single-nucleotide polymorphisms identified through genotyping-by-sequencing. PLoS One. 12(11):e0188745. https://doi.org/10.1371/journal.pone.0188745.

Genetic diversity and association mapping of mineral element concentrations in spinach leaves - (Peer Reviewed Journal)
Qin, J., Shi, A., Mou, B., Grusak, M.A., Weng, Y., Ravelombola, W., Bhattarai, G., Dong, L., Yang, W. 2017. Genetic diversity and association mapping of mineral element concentrations in spinach leaves. BMC Genomics. 18:941. https://doi.org/10.1186/s12864-017-4297-y.

Post-harvest decay in fresh-cut lettuce - (Other)
Simko, I. 2017. Post-harvest decay in fresh-cut lettuce. NIFA-SCRI Annual Project Meeting of Principle Investigators. October 20, 2017, Davis, California.

Lettuce and spinach breeding - (Other)
Simko, I., McCreight, J.D., Mou, B. 2017. Lettuce and spinach breeding. California Leafy Greens Research Program Annual Meeting. October 10, 2017, Salinas, California.

Variation within lactuca spp. for resistance to impatiens necrotic spot virus - (Peer Reviewed Journal)
Simko, I., Richardson, C.E., Wintermantel, W.M. 2018. Variation within lactuca spp. for resistance to impatiens necrotic spot virus. Plant Disease. 102(2):341-348. https://doi.org/10.1094/PDIS-06-17-0790-RE.

Association analysis of salt tolerance in cowpea (Vigna unguiculata (L.) Walp) at germination and seedling stages - (Peer Reviewed Journal)
Ravelombola, S., Shi, A., Weng, Y., Mou, B., Motes, D., Clark, J., Chen, P., Srivastava, V., Qin, J., Dong, L., Yang, W., Bhattarai, G., Sugihara, Y. 2018. Association analysis of salt tolerance in cowpea (Vigna unguiculata (L.) Walp) at germination and seedling stages. Theoretical and Applied Genetics. 131(1):79-91. https://doi.org/10.1007/s00122-017-2987-0.

Breeding and genetics of lettuce for resistance against race 2 Verticillium wilt - (Abstract Only)
Sandoya, G.V., Truco, M.J., Subbarao, K.V., Martin, F.N., Michelmore, R.M., Hayes, R.J., Simko, I. 2017. Breeding and genetics of lettuce for resistance against race 2 Verticillium wilt. National Association of Plant Breeders Annual Meeting, August 7-10, 2017, Davis, California.

Drench application of fish-derived protein hydrolysates affects lettuce growth, chlorophyll content, and gas exchange - (Peer Reviewed Journal)
Xu, C., Mou, B. 2017. Drench application of fish-derived protein hydrolysates affects lettuce growth, chlorophyll content, and gas exchange. HortTechnology. 27:539-543.

Lettuce breeding - (Other)
Simko, I., Mou, B., McCreight, J.D. 2017. Lettuce breeding. California Leafy Greens Research Board. Available: http://calgreens.org/wp-content/uploads/2016/06/Lettuce-Breeding-USDA-ARS-Simko-Mou-and-McCreight.pdf.

Genome-wide association study for lettuce cultivars with improved salad processing efficiency - (Abstract Only)
Sthapit, J.K., Mou, B., Simko, I., Hayes, R.J. 2017. Genome-wide association study for lettuce cultivars with improved salad processing efficiency. American Society for Horticultural Science Annual Meeting, September 19-22, 2017, Waikoloa, Hawaii.

Evaluation of potential new sources of melon host plant resistance to the whitefly, Bemisia tabaci - (Abstract Only)
Natwick, E.T., Wintermantel, W.M., Gilbertson, R.L., Blanco, S.G., McCreight, J.D. 2017. Evaluation of potential new sources of melon host plant resistance to the whitefly, Bemisia tabaci. 3rd Hemipteran-Plant Interactions Symposium. June 4-8, 2017, Madrid, Spain. p. 214.

Genetic characterization of resistance to Sclerotinia in lettuce cultivar Eruption - (Abstract Only)
Mamo, B.E., Hayes, R.J., Truco, M.J., Michelmore, R., Subbarao, K.V., Simko, I. 2017. Genetic characterization of resistance to Sclerotinia in lettuce cultivar Eruption. American Phytopathological Society Annual Meeting, August 5-9, 2017, San Antonio, Texas.

Characterization of Verticillium dahliae disease reactions in lettuce differential cultivars - (Abstract Only)
Short, D.P.G., Puri, K., Sandoya, G.V., Simko, I., Hayes, R.J., Subbarao, K.V. 2017. Characterization of Verticillium dahliae disease reactions in lettuce differential cultivars. American Phytopathological Society Annual Meeting, August 5-9, 2017, San Antonio, Texas.

Lettuce and spinach breeding - (Abstract Only)
Simko, I., McCreight, J.D., Mou, B. 2017. Lettuce and spinach breeding. California Leafy Greens Research Program Annual Meeting. March 14, 2017, Pismo Beach, California.

Draft genome of spinach and transcriptome diversity of 120 Spinacia accessions - (Peer Reviewed Journal)
Xu, C., Jiao, C., Sun, H., Cai, X., Wang, X., Ge, C., Zheng, Y., Liu, W., Sun, X., Xu, Y., Deng, J., Zhang, Z., Huang, S., Dai, S., Mou, B., Wang, Q., Fei, Z., Wang, Q. 2017. Draft genome of spinach and transcriptome diversity of 120 Spinacia accessions. Nature Communications. 8:15275. doi: 10.1038/ncomms15275.

Association mapping of aphid resistance in USDA cowpea (Vigna unguiculata L. Walp.) core collection using SNPs - (Peer Reviewed Journal)
Qin, J., Shi, A., Mou, B., Bhattarai, G., Yang, W., Weng, Y., Motes, D. 2017. Association mapping of aphid resistance in USDA cowpea (Vigna unguiculata L. Walp.) core collection using SNPs. Euphytica. 213:36. doi: 10.1007/s10681-016-1830-z.

Gourds: Bitter, Bottle, Wax, Snake, Sponge and Ridge - (Book / Chapter)
Dhillon, N.P., Sanguansil, S., Singh, S.P., Masud, M.A., Kumar, P., Bharathi, L.K., Yetisir, H., Huang, R., Cahn, D.X., McCreight, J.D. 2017. Gourds: Bitter, Bottle, Wax, Snake, Sponge and Ridge. In: Grumet, R., Katzir, N., Garcia-Mas, J., editors. Genetics and Genomics of the Cucurbitaceae. New York, NY: Springer. p. 1–18.

Nondestructive phenotyping of lettuce plants in early stages of development with optical sensors - (Peer Reviewed Journal)
Simko, I., Hayes, R.J., Furbank, R.T. 2016. Nondestructive phenotyping of lettuce plants in early stages of development with optical sensors. Frontiers in Plant Science. 7:1-19.

Genetics of resistance in lettuce to races 1 and 2 of Verticillium dahliae from different host species - (Peer Reviewed Journal)
Sandoya, G.V., Gurung, S., Short, D.P., Subbarao, K.V., Michelmore, R.M., Hayes, R.J. 2016. Genetics of resistance in lettuce to races 1 and 2 of Verticillium dahliae from different host species. Euphytica. 213:20. doi: 10.1007/s10681-016-1813-0.

Maturity-adjusted resistance of potato (Solanum tuberosum L.) cultivars to Verticillium wilt caused by Verticillium dahliae - (Peer Reviewed Journal)
Simko, I., Haynes, K.G. 2017. Maturity-adjusted resistance of potato (Solanum tuberosum L.) cultivars to Verticillium wilt caused by Verticillium dahliae. American Journal of Potato Research. 94:173–177.

Advancements in utilizing molecular markers in lettuce breeding - (Proceedings)
Simko, I. 2017. Advancements in utilizing molecular markers in lettuce breeding. 4th International Symposium on Molecular Markers in Horticulture, International Society for Horticultural Science. March 7-10, 2017, Napier, New Zealand.

Short-term effects of composted cattle manure or cotton burr on growth, physiology and phytochemical of spinach - (Peer Reviewed Journal)
Xu, C., Mou, B. 2016. Short-term effects of composted cattle manure or cotton burr on growth, physiology and phytochemical of spinach. HortScience. 51:1517-1523. doi: 10.21273/HORTSCI11099-16.

Field evaluation of green and red leaf lettuce genotypes in the Imperial, San Joaquin, and Salinas Valleys of California for heat tolerance and extension of the growing seasons - (Peer Reviewed Journal)
Lafta, A., Turini, T., Sandoya, G.V., Mou, B. 2017. Field evaluation of green and red leaf lettuce genotypes in the Imperial, San Joaquin, and Salinas Valleys of California for heat tolerance and extension of the growing seasons. HortScience. 52:40-48.

Lettuce and spinach breeding - (Proceedings)
Simko, I., McCreight, J.D., Mou, B., Klosterman, S.J. 2016. Lettuce and spinach breeding. California Leafy Greens Research Program Mid-Year Meeting. October 4, 2016, Salinas, California.

Cultivation and uses of cucurbits - (Book / Chapter)
McCreight, J.D. 2016. Cultivation and uses of cucurbits. In: Grumet, R., Katzir, N., Garcia-Mas, J., editors. Genetics and Genomics of the Cucurbitaceae. New York, NY: Springer. p. 1–12.

Phenomic approaches and tools for phytopathologists - (Peer Reviewed Journal)
Simko, I., Jimenez-Berni, J.A., Sirault, X.R.R. 2016. Phenomic approaches and tools for phytopathologists. Phytopathology. 107:6-17.

Association analysis and identification of SNP markers for Stemphylium leaf spot (Stemphylium botryosum f. sp. spinacia) resistance in spinach (Spinacia oleracea) - (Peer Reviewed Journal)
Shi, A., Mou, B., Correll, J., Koike, S., Motes, D., Qin, J., Weng, Y., Yang, W. 2016. Association analysis and identification of SNP markers for Stemphylium leaf spot (Stemphylium botryosum f. sp. spinacia) resistance in spinach (Spinacia oleracea). American Journal of Plant Sciences. 7:1600-1611.

Genetic diversity and population structure of cowpea (Vigna unguiculata L. Walp) - (Peer Reviewed Journal)
Xiong, H., Shi, A., Mou, B., Qin, J., Motes, D., Lu, W., Ma, J., Weng, Y., Yang, W. 2016. Genetic diversity and population structure of cowpea (Vigna unguiculata L. Walp). PLoS One. 11(8):e0160941. doi: 10.1371/journal.pone.0160941.

Diversity among a wide Asian Collection of bitter gourd landraces and their genetic relationships with commercial hybrid cultivars - (Peer Reviewed Journal)
Dhillon, N.P., Sanguansil, S., Schafleitner, R., Wang, Y., McCreight, J.D. 2016. Diversity among a wide Asian Collection of bitter gourd landraces and their genetic relationships with commercial hybrid cultivars. Journal of the American Society for Horticultural Science. 141:475–484. doi: 10.21273/JASHS03748-16.

Association analysis for oxalate concentration in spinach - (Peer Reviewed Journal)
Shi, A., Mou, B., Correll, J.C. 2016. Association analysis for oxalate concentration in spinach. Euphytica. doi: 10.1007/s10681-016-1740-0.

SNP association analysis of resistance to Verticillium wilt (Verticillium dahliae Kleb.) in spinach - (Peer Reviewed Journal)
Shi, A., Mou, B., Correll, J., Motes, D., Weng, Y., Qin, J., Yang, W. 2016. SNP association analysis of resistance to Verticillium wilt (Verticillium dahliae Kleb.) in spinach. Australian Journal of Crop Science. 10(8):1188-1196.

Initiative for international cooperation of researchers and breeders related to determination and denomination of cucurbit powdery mildew races - (Proceedings)
Lebeda, A., Kristkova, E., Sedlakova, B., McCreight, J.D. 2016. Initiative for international cooperation of researchers and breeders related to determination and denomination of cucurbit powdery mildew races. In: Kozik, E.U., Paris, H.S., editors. Cucurbitaceae 2016, XIth Eucarpia Meeting on Genetics and Breeding of Cucurbitaceae, July 24-28, 2016, Warsaw, Poland. p. 148–152.

Genetic diversity and association analysis of leafminer (Liriomyza langei) resistance in spinach (Spinacia oleracea) - (Peer Reviewed Journal)
Shi, A., Mou, B. 2016. Genetic diversity and association analysis of leafminer (Liriomyza langei) resistance in spinach (Spinacia oleracea). Genome. 59:581-588.

Population structure analysis and association mapping of seed antioxidant content in USDA cowpea (Vigna unguiculata L. Walp.) core collection using SNPs - (Peer Reviewed Journal)
Qin, J., Xiong, H., Shi, A., Mou, B., Motes, D., Lu, W., Creighton Miller Jr., J., Scheuring, D., Nzaramba, M.N., Weng, Y., Yang, W. 2016. Population structure analysis and association mapping of seed antioxidant content in USDA cowpea (Vigna unguiculata L. Walp.) core collection using SNPs. Canadian Journal of Plant Science. 96: 1026-1036. doi: 10.1139/cjps-2016-0090.

Vermicompost affects soil properties and spinach growth, physiology, and nutritional value - (Peer Reviewed Journal)
Xu, C., Mou, B. 2016. Vermicompost affects soil properties and spinach growth, physiology, and nutritional value. HortScience. 51:847-855.

Genetics of the partial resistance against race 2 of Verticillium dahliae in lettuce - (Proceedings)
Sandoya, G.V., Truco, M., Bertier, L., Subbarao, K.V., Michelmore, R., Simko, I., Hayes, R.J. 2016. Genetics of the partial resistance against race 2 of Verticillium dahliae in lettuce. American Society for Horticultural Science Annual Meeting. Available: https://ashs.confex.com/ashs/2016/webprogram/Paper24442.html.

New sources of resistance to CYSDV in melon - (Proceedings)
McCreight, J.D., Wintermantel, W.M., Natwick, E.T. 2016. New sources of resistance to CYSDV in melon. In: Kozik, E.U., Paris, H.S., editors. Cucurbitaceae 2016, XIth Eucarpia Meeting on Genetics and Breeding of Cucurbitaceae, July 24-28, 2016, Warsaw, Poland. p. 61–65.

CucCAP - Developing genomic resources for the cucurbit community - (Proceedings)
Grumet, R., Fei, Z., Levi, A., Mccreight, J.D., Mazourek, M., Palma, M., Schultheis, J., Weng, Y., Hausbeck, M., Kousik, C.S., Ling, K., Mcgregor, C., Quesada, L., Ramirez, A., Reddy, U., Ribera, L., Smart, C., Wechter, W.P., Wehner, T., Wessel-Beaver, L., Wintermantel, W.M. 2016. CucCAP - Developing genomic resources for the cucurbit community. In: Kozik, E.U., Paris, H.S., editors. Cucurbitaceae 2016, XIth Eucarpia Meeting on Genetics and Breeding of Cucurbitaceae, July 24-28, 2016, Warsaw, Poland. p. 222–226.

Screening of lettuce germplasm for agronomic traits under low water conditions - (Peer Reviewed Journal)
Eriksen, R.L., Knepper, C., Cahn, M.D., Mou, B. 2016. Screening of lettuce germplasm for agronomic traits under low water conditions. HortScience. 51(6):669-679.

Population structure and association analysis of bolting, plant height, and leaf erectness in spinach - (Peer Reviewed Journal)
Chitwood, J., Shi, A., Mou, B., Evans, M., Clark, J., Motes, D., Chen, P., Hensley, D. 2016. Population structure and association analysis of bolting, plant height, and leaf erectness in spinach. HortScience. 51:481-486.

Nutritional value, bioactive compounds, and health benefits of lettuce (Lactuca sativa L.) - (Review Article)
Kim, M., Moon, Y., Tou, J.C., Mou, B., Waterland, N. 2016. Nutritional value, bioactive compounds, and health benefits of lettuce (Lactuca sativa L.). Journal of Food Composition and Analysis. 49:19-34. doi: 10.1016/j.jfca.2016.03.004.

Lettuce and spinach breeding - (Proceedings)
Simko, I., Hayes, R.J., Mou, B., McCreight, J.D. 2016. Lettuce breeding. California Leafy Greens Research Board Annual Meeting. Available: http://calgreens.org/wp-content/uploads/2016/06/Lettuce-Breeding-USDA-ARS-Simko-Mou-and-McCreight.pdf.

Genetic characterization of quantitative resistance to Bremia lactucae, the causal organism of lettuce downy mildew - (Proceedings)
Parra, L., Simko, I., Michelmore, R. 2016. Genetic characterization of quantitative resistance to Bremia lactucae, the causal organism of lettuce downy mildew. American Phytopathological Society Annual Meeting. Available: http://www.apsnet.org/meetings/annual/abstracts/pages/abstractdetail.aspx?MID=550.

Association mapping of leaf traits in spinach (Spinacia oleracea L.) - (Peer Reviewed Journal)
Ma, J., Shi, A., Mou, B., Evans, M., Clark, J., Motes, D., Correll, J., Xiong, H., Qin, J., Chitwood, J., Weng, Y. 2016. Association mapping of leaf traits in spinach (Spinacia oleracea L.). Plant Breeding. 135:399-404.

New sources of resistance to CYSDV in melon - (Abstract Only)

Breeding lettuce for improved fresh-cut processing - (Peer Reviewed Journal)
Hayes, R.J., Simko, I. 2016. Breeding lettuce for improved fresh-cut processing. Acta Horticulturae. 1141:65-76. doi: 10.17660/ActaHortic.2016.1141.7.

High-resolution DNA melting analysis in plant research - (Peer Reviewed Journal)
Simko, I. 2016. High-resolution DNA melting analysis in plant research. Trends in Plant Science. 21(6):528-537.

Recessive resistance to Cucurbit yellow stunting disorder virus in melon TGR 1551 - (Proceedings)
McCreight, J.D., Wintermantel, W.M., Natwick, E.T., Sinclair, J.W., Crosby, K.M., Gomez-Guillamon, M.L. 2017. Recessive resistance to Cucurbit yellow stunting disorder virus in melon TGR 1551. Acta Horticulturae. 1151:101–107.

Host plant resistance in melon to sweetpotato whitefly in California and Arizona - (Proceedings)
McCreight, J.D., Wintermantel, W.M., Natwick, E.T. 2017. Host plant resistance in melon to sweetpotato whitefly in California and Arizona. Acta Horticulturae. 1151:237–244.

Genetics of resistance against lettuce downy mildew - (Proceedings)
Parra, L., Ochoa, O.E., Mchale, L.K., Christopoulou, M., Simko, I., Michelmore, R. 2016. Genetics of resistance against lettuce downy mildew. Plant and Animal Genome Conference Proceedings. Available: https://pag.confex.com/pag/xxiv/webprogram/Paper19545.html.

Assessing genetic variation in lettuce for traits related to nitrogen use efficiency using susceptibility and relative efficiency indices - (Proceedings)
Gonzalez, M.M., Truco, M., Michelmore, R., Smith, R., Cahn, M., Simko, I., Hayes, R.J. 2015. Assessing genetic variation in lettuce for traits related to nitrogen use efficiency using susceptibility and relative efficiency indices. ASA, CSSA, and SSSA Annual Meeting. Available: https://scisoc.confex.com/scisoc/2015am/webprogram/Paper93179.html.

Evaluation of cycloate followed by two-leaf stage phenmedipham application in fresh market spinach - (Peer Reviewed Journal)
Lati, R.N., Mou, B., Rachuy, J.S., Fennimore, S.A. 2016. Evaluation of cycloate followed by two-leaf stage phenmedipham application in fresh market spinach. Weed Technology. doi: 10.1614/WT-D-15-00102.1.

De novo and comparative transcriptome analysis of cultivated and wild spinach - (Peer Reviewed Journal)
Xu, C., Jiao, C., Zheng, Y., Sun, H., Liu, W., Cai, X., Wang, X., Liu, S., Xu, Y., Mou, B., Dai, S., Fei, Z., Wang, Q. 2015. De novo and comparative transcriptome analysis of cultivated and wild spinach. Scientific Reports. 5:17706. doi: 10.1038/srep17706.

Responses of spinach to salinity and nutrient deficiency in growth, physiology and nutritional value - (Peer Reviewed Journal)
Xu, C., Mou, B. 2016. Responses of spinach to salinity and nutrient deficiency in growth, physiology and nutritional value. Journal of the American Society for Horticultural Science. 141:12-21.

Characterization of spinach germplasm for resistance against two races of Verticillium dahliae - (Peer Reviewed Journal)
Mou, B., Klosterman, S.J., Anchieta, A.G., Wood, E.M., Subbarao, K. 2015. Characterization of spinach germplasm for resistance against two races of Verticillium dahliae. HortScience. 50:1631-1635.

Comparing the predictive abilities of phenotypic and marker-assisted selection methods in a biparental lettuce population - (Peer Reviewed Journal)
Hadasch, S., Simko, I., Hayes, R.J., Ogutu, J.O., Piepho, H.-P. 2016. Comparing the predictive abilities of phenotypic and marker-assisted selection methods in a biparental lettuce population. The Plant Genome. 9(1):1-11.

Crown blight of melons and crown decline of watermelon - (Book / Chapter)
McCreight, J.D., Keinath, A.P. 2017. Crown blight of melons and crown decline of watermelon. In: Keinath, A.P., Wintermantel, W.M., Zitter, T.A., editors. Compendium of Cucurbit Diseases and Pests. 2nd edition. St. Paul, MN: APS Press.p. 185–186.

Botany and culture - (Book / Chapter)
McCreight, J.D. 2017. Botany and culture. In: Keinath, A.P., Wintermantel, W.M., Zitter, T.A., editors. Compendium of Cucurbit Diseases and Pests. 2nd edition. St. Paul, MN: APS Press. p. 1-9.

Cucurbit powdery mildews: Methodology for objective determination and denomination of races - (Peer Reviewed Journal)
Lebeda, A., Kristkova, E., Sedlakova, B., Mccreight, J.D., Coffey, M.D. 2016. Cucurbit powdery mildews: Methodology for objective determination and denomination of races. European Journal of Plant Pathology. 144:399–410. doi: 10.1007/s10658-015-0776-7.

Evaluation of lettuce genotypes for salinity tolerance - (Peer Reviewed Journal)
Xu, C., Mou, B. 2015. Evaluation of lettuce genotypes for salinity tolerance. HortScience. 50:1441-1446.

Evaluations of melon germplasm reported to exhibit host plant resistance to sweetpotato whitefly - (Abstract Only)

Light intensity is the main factor affecting fresh market spinach tolerance for Phenmedipham - (Peer Reviewed Journal)
Lati, R.N., Mou, B., Rachuy, J.S., Fennimore, S.A. 2016. Light intensity is the main factor affecting fresh market spinach tolerance for Phenmedipham. Weed Science. 64:146-153. doi: 10.1614/WS-D-15-00056.1.

Weed management in transplanted lettuce with Pendimethalin and S-metolachlor - (Peer Reviewed Journal)
Lati, R.N., Mou, B., Rachuy, J.S., Smith, R.F., Dara, S.K., Daugovish, O., Fennimore, S.A. 2015. Weed management in transplanted lettuce with Pendimethalin and S-metolachlor. Weed Science. 29:827-834.

USDA lettuce breeding and genetics - (Proceedings)
Hayes, R.J. 2015. USDA lettuce breeding and genetics. University of California SeedCentral Forum, June 25, 2015, Salinas, California.

Application of chlorophyll fluorescence imaging and hyperspectral imaging in evaluation of decay in fresh-cut lettuce - (Abstract Only)
Simko, I., Jimenez-Berni, J.A., Furbank, R.T. 2015. Application of chlorophyll fluorescence imaging and hyperspectral imaging in evaluation of decay in fresh-cut lettuce. International Plant and Algal Phenomics Meeting, June 27-30, 2015, Prague, Czech Republic.

Breeding lettuce for fresh-cut processing - (Abstract Only)
Hayes, R.J., Simko, I. 2015. Breeding lettuce for fresh-cut processing. III International Conference on Fresh-cut Produce: Maintaining Quality and Safety, September 13-18, 2015, Davis, California.

Sustainable lettuce: Adaptability to uncertain production conditions - (Abstract Only)
Hayes, R.J. 2015. Sustainable lettuce: Adaptability to uncertain production conditions. American Society for Horticultural Science Annual Meeting, "Climate Change - Realities, Controversies, and Responses" Colloquium, August 3-7, 2015, New Orleans, Louisiana.

Non-defoliating and defoliating strains from cotton correlate with races 1 and 2 of Verticillium dahliae - (Peer Reviewed Journal)
Hu, X., Gurung, S., Short, D.P., Sandoya, G., Shang, W., Hayes, R.J., Subbarao, K.V. 2015. Non-defoliating and defoliating strains from cotton correlate with races 1 and 2 of Verticillium dahliae. Plant Disease. doi: 10.1094/PDIS-03-15-0261-RE.

Host plant resistance in melon (Cucumis melo L.) to sweetpotato whitefly in California and Arizona - (Abstract Only)

Recessive resistance to Cucurbit yellow stunting disorder virus in melon - (Abstract Only)

Analysis of bibliometric indicators to determine citation bias - (Peer Reviewed Journal)
Simko, I. 2015. Analysis of bibliometric indicators to determine citation bias. Palgrave Communications. doi: 10.1057/palcomms.2015.11.

Resistance to downy mildew in lettuce ‘La Brillante’ is conferred by dm50 gene and multiple QTL - (Peer Reviewed Journal)
Simko, I., Ochoa, O.E., Pel, M.A., Tsuchida, C., Forcada, C.F., Hayes, R.J., Truco, M.J., Antonise, R., Galeano, C.H., Michelmore, R.W. 2015. Resistance to downy mildew in lettuce ‘La Brillante’ is conferred by dm50 gene and multiple QTL. Phytopathology. 105:1220-1228.

Screening of wild and cultivated Capsicum germplasm reveals new sources of Verticillium wilt resistance - (Peer Reviewed Journal)
Gurung, S., Short, D.P., Hu, X., Sandoya, G., Hayes, R.J., Subbarao, K.V. 2015. Screening of wild and cultivated Capsicum germplasm reveals new sources of Verticillium wilt resistance. Plant Disease. doi: 10.1094/PDIS-01-15-0113-RE.

Detection of decay in fresh-cut lettuce using hyperspectral imaging and chlorophyll fluorescence imaging - (Peer Reviewed Journal)
Simko, I., Jimenez-Berni, J.A., Furbank, R.T. 2015. Detection of decay in fresh-cut lettuce using hyperspectral imaging and chlorophyll fluorescence imaging. Postharvest Biology and Technology. 106:44–52.

Breeding and genetics of lettuce against race 2 of Verticillium wilt - (Abstract Only)
Sandoya, G., Michelmore, R., Subbarao, K.V., Hayes, R.J. 2015. Breeding and genetics of lettuce against race 2 of Verticillium wilt. EUCARPIA Leafy Vegetables Congress, April 14-17, 2015, San Pedro del Pinatar, Spain.

Genetics and breeding of bacterial leaf spot resistance - (Abstract Only)
Hayes, R.J., Michelmore, R., Bull, C.T. 2015. Genetics and breeding of bacterial leaf spot resistance. EUCARPIA Leafy Vegetables Congress, April 14-17, 2015, San Pedro del Pinatar, Spain.

Host range of Verticillium isaacii and Verticillium klebahnii from artichoke, spinach, and lettuce - (Peer Reviewed Journal)
Gurung, S., Short, D.P., Hu, X., Sandoya, G., Hayes, R.J., Koike, S., Subbarao, K.V. 2015. Host range of Verticillium isaacii and Verticillium klebahnii from artichoke, spinach, and lettuce. Plant Disease. doi: 10.1094/PDIS-12-14-1307-RE.

Snapmelon (Cucumis melo L. subsp. agrestis var. momordica), indigenous cucurbitaceous vegetable species from India with immense breeding value: a review - (Proceedings)
Dhillon, N.P., Singh, H., Pitrat, M., Monforte, A.J., McCreight, J.D. 2015. Snapmelon (Cucumis melo L. subsp. agrestis var. momordica), indigenous cucurbitaceous vegetable species from India with immense breeding value: a review. Acta Horticulturae. 1102:99–108. doi: 10.17660/ActaHortic.2015.1102.12.

The inheritance of resistance to bacterial leaf spot of lettuce caused by Xanthomonas campestris pv. vitians in three lettuce cultivars - (Peer Reviewed Journal)
Hayes, R.J., Trent, M., Truco, M., Antonise, R., Michelmore, R.W., Bull, C.T. 2014. The inheritance of resistance to bacterial leaf spot of lettuce caused by Xanthomonas campestris pv. vitians in three lettuce cultivars. Horticulture Research. 1:14066.

Red leaf lettuce breeding line with resistance to corky root, 06-810 - (Peer Reviewed Journal)
Mou, B. 2015. Red leaf lettuce breeding line with resistance to corky root, 06-810. HortScience. 50:143-144.

Semi-high throughput screening for potential drought-tolerance in lettuce (Lactuca sativa) germplasm collections - (Peer Reviewed Journal)
Knepper, C.P., Mou, B. 2015. Semi-high throughput screening for potential drought-tolerance in lettuce (Lactuca sativa) germplasm collections. Journal of Visualized Experiments. (98):e52492. doi: 10.3791/52492.

Characterization and performance of 16 new inbred lines of lettuce - (Peer Reviewed Journal)
Simko, I., Hayes, R.J., Bull, C.T., Mou, B., Luo, Y., Trent, M.A., Atallah, A.J., Ryder, E.J., Sideman, R.G. 2014. Characterization and performance of 16 new inbred lines of lettuce. HortScience. 49:679-687.

Evaluation of tribenuron-methyl on sulfonylurea herbicide tolerant lettuce germplasm - (Peer Reviewed Journal)
Samtani, J.B., Rachuy, J.S., Mou, B., Fennimore, S.A. 2014. Evaluation of tribenuron-methyl on sulfonylurea herbicide tolerant lettuce germplasm. Weed Technology. 28(3):510-517.

Notice of release of iceberg, romaine, and leaf lettuce breeding lines with improved disease resistance - (Germplasm Registration)
Simko, I., Hayes, R.J. 2014. Notice of release of iceberg, romaine, and leaf lettuce breeding lines with improved disease resistance. Germplasm Release. Available: http://calgreens.org/wp-content/uploads/2014/03/USDA-Releases-Sixteen-New-Breeding-LInes-of-Lettuce1.pdf.

Diversity among melon (Cucumis melo L.) landraces from the Indo-Gangetic plains of India and their genetic relationship with U.S.A. melon cultivars - (Peer Reviewed Journal)
Malik, A.A., Vashisht, V.K., Singh, K., Sharma, A., Singh, D.K., Singh, H., Monforte, A.J., McCreight, J.D., Dhillon, N.P. 2014. Diversity among melon (Cucumis melo L.) landraces from the Indo-Gangetic plains of India and their genetic relationship with U.S.A. melon cultivars. Genetic Resources and Crop Evolution. DOI: 10.1007/s10722-014-0101-x.

QTL mapping, association mapping and marker assisted breeding in lettuce - (Proceedings)
Simko, I. 2014. QTL mapping, association mapping and marker assisted breeding in lettuce. American Seed Trade Association Conference, January 23-27, 2014, Monterey, California. Available: http://biodiagnostics.net/wp-content/uploads/2014/04/Dr.-Simko-ASTA-on-Lettuce-breeding-strategies-2014.pdf.

Development of a high-density intra-specific linkage map of lettuce using genotyping by sequencing (GBS) - (Proceedings)
Galeano, C.H., Froenicke, L., Duitama, J., Kozik, A., Reyes-Chin-Wo, S., Simko, I., Hayes, R.J., Michelmore, R. 2014. Development of a high-density intra-specific linkage map of lettuce using genotyping by sequencing (GBS). Plant and Animal Genome XXII Conference, January 11-15, 2014, San Diego, California. P686.

Snapmelon (Cucumis melo L. Momordica group), an indigenous cucurbit from India with immense value for melon breeding - (Abstract Only)
Dhillon, N.P., Singh, H., Pitrat, M., Monforte, A.J., McCreight, J.D. 2015. Snapmelon (Cucumis melo L. Momordica group), an indigenous cucurbit from India with immense value for melon breeding. Acta Horticulturae. 1102:99–108, doi: 10.17660/ActaHortic.2015.1102.12.

Baby leaf lettuce germplasm enhancement: developing diverse populations with resistance to bacterial leaf spot caused by Xanthomonas campestris pv. vitians - (Peer Reviewed Journal)
Hayes, R.J., Trent, M.A., Mou, B., Simko, I., Gebben, S.J., Bull, C.T. 2014. Baby leaf lettuce germplasm enhancement: developing diverse populations with resistance to bacterial leaf spot caused by Xanthomonas campestris pv. vitians. HortScience. 49:18–24.

Identification of QTLs conferring resistance to downy mildew in legacy cultivars of lettuce - (Peer Reviewed Journal)
Simko, I., Atallah, A.J., Ochoa, O., Antonise, R., Galeano, C., Truco, M.J., Michelmore, R. 2013. Identification of QTLs conferring resistance to downy mildew in legacy cultivars of lettuce. Scientific Reports. DOI:10.1038/srep02875.