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United States Department of Agriculture

Agricultural Research Service

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

Location: Crop Improvement and Protection Research

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

Field evaluation of green and red leaf lettuce cultivars in the Imperial, San Joaquin, and Salinas Valleys of California for heat tolerance and extension of the growing seasons - (Peer Reviewed Journal)

Cultivation and uses of cucurbits - (Book / Chapter)

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 (Momordica charantia L.) landraces and their genetic relationships with commercial hybrid cultivars - (Peer Reviewed Journal)

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)

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)

CucCAP - Developing genomic resources for the cucurbit community - (Proceedings)

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)

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)

Host plant resistance in melon to sweetpotato whitefly in California and Arizona - (Proceedings)

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 Reprint Icon - (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)

Botany and culture - (Book / Chapter)

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 Reprint Icon - (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.

Last Modified: 2/23/2016
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