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United States Department of Agriculture

Agricultural Research Service

Spencer Walse

Research Chemist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Methyl bromide release from activated carbon and the soil/water/carbon interface - (Abstract Only)
Hall Iv, W.A., Walse, S.S. 2014. Methyl bromide release from activated carbon and the soil/water/carbon interface. 248th American Chemical Society National Meeting. Paper No. 151.
Attraction of the egg parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae) to synthetic formulation of a (E)-ß-ocimene and (E,E)-a-farnesene mixture - (Peer Reviewed Journal)
Krugner, R., Wallis, C.M., Walse, S.S. 2014. Attraction of the egg parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae) to synthetic formulation of a (E)-ß-ocimene and (E,E)-a-farnesene mixture. Biological Control. 77:23-28.
Egg morphology of key stored-product insect pests of U.S.A. - (Peer Reviewed Journal)
Gautam, S., Opit, G., Margosan, D.A., Tebbets, J.S., Walse, S.S. 2014. Egg morphology of key stored-product insect pests of U.S.A. Annals of the Entomological Society of America. 107(1):1-10.
The development of a host potential index and its postharvest application to the spotted wing drosophila, Drosophila suzukii (Diptera: Drosophilidae) - (Peer Reviewed Journal)
Bellamy, D.E., Hall IV, W.A., Sisterson, M.S., Walse, S.S. 2013. The development of a host potential index and its postharvest application to the spotted wing drosophila, Drosophila suzukii (Diptera: Drosophilidae). PLoS One. 8(4):e61227.
The treatment of fresh fruit from California with methyl bromide for postharvest control of light brown apple moth, Epiphyas postvittana (Walker) - (Peer Reviewed Journal)
Walse, S.S., Liu, Y., Myers, S., Simmons, G., Obenland, D.M., Bellamy, D.E., Tebbets, J.S. 2013. The treatment of fresh fruit from California with methyl bromide for postharvest control of light brown apple moth, Epiphyas postvittana (Walker). Journal of Economic Entomology. 106(3):1155-1163.
Status of Alternatives for Methyl Bromide in the United States - (Literature Review)
Johnson, J.A., Walse, S.S., Gerik, J.S. 2012. Status of Alternatives for Methyl Bromide in the United States. Outlooks on Pest Management. 23(2):53-58.
High Temperature CO2 Treatments for Inshell Walnuts - (Proceedings)
Prasantha, R., Obenland, D.M., Walse, S.S., Johnson, J.A. 2012. High Temperature CO2 Treatments for Inshell Walnuts. International Conference on Methyl Bromide Alternatives and Emissions Reductions, November 6-8, 2012, San Diego, California. 37:1-4.
Quantification, localization and identification of selenium in seeds of canola and two mustard species compared to seed meals produced by hydraulic press - (Peer Reviewed Journal)
Banuelos, G.S., Walse, S.S., Yang, S.I., Pickering, I., Fakra, S., Marcus, M., Freeman, J. 2012. Quantification, localization and identification of selenium in seeds of canola and two mustard species compared to seed meals produced by hydraulic press. Analytical Chemistry. 84(14):6024-6030.
Remediation of residues on stored product surfaces using ozone-based fumgiations - (Proceedings) - (24-May-12)
The treatment of fresh fruit from California with methyl bromide for postharvest control of light brown apple moth, Epiphyas postvittana (Walker) - (Proceedings) - (24-May-12)
Recent advances in fumigation for control of insect pests in dried fruits and nuts - (Abstract Only)
Walse, S.S. 2012. Recent advances in fumigation for control of insect pests in dried fruits and nuts. International Congress of Entomology. S1202TU17.
Postharvest treatment of strawberries with methyl bromide to control spotted wing drosophila, Drosophila suzukii - (Peer Reviewed Journal)
Walse, S.S., Krugner, R., Tebbets, J.S. 2012. Postharvest treatment of strawberries with methyl bromide to control spotted wing drosophila, Drosophila suzukii. Journal of Asia-Pacific Entomology. 15:451-456.
Characterization of the nutritional components in fruit and cladode of selenium-enriched nutraceutical cactus pear fruit varieties grown on agricultural sediment - (Peer Reviewed Journal)
Banuelos, G.S., Stushnoff, C., Walse, S.S., Zuber, T., Pickering, I., George, G., Yang, S.I., Freeman, J.L. 2012. Characterization of the nutritional components in fruit and cladode of selenium-enriched nutraceutical cactus pear fruit varieties grown on agricultural sediment. Food Chemistry. 135:9-16.
Fungicide residue remediation on table grapes using ozone fumigation - (Peer Reviewed Journal)
Walse, S.S., Karaca, H., Smilanick, J.L. 2011. Fungicide residue remediation on table grapes using ozone fumigation. Environmental Science and Technology. 45(6):6961-6969.
Grape hosts infested with glassy-winged sharpshooters produce volatile compounds which may attract egg parasitoids - (Abstract Only)
Wallis, C.M., Krugner, R., Walse, S.S. 2011. Grape hosts infested with glassy-winged sharpshooters produce volatile compounds which may attract egg parasitoids. Phytopathology 101:S184.
Spotted Wing Drosophila Host Suitability Index for Several California Fresh Fruits - (Abstract Only)
Walse, S.S., Bellamy, D.E. 2011. Spotted Wing Drosophila Host Suitability Index for Several California Fresh Fruits. Entomology Society of America Pacific Branch Meeting. 8.
Selenium accumulation, distribution and speciation in spineless prickly pear cactus: a salt, boron, and drought tolerant, selenium-enriched nutraceutical fruit crop. - (Peer Reviewed Journal)
Banuelos, G.S., Fakra, S.C., Walse, S.S., Marcus, M.A., Yang, S., Pickering, I.J., Pilon-Smits, E.A., Freeman, J.L. 2011. Selenium accumulation, distribution and speciation in spineless prickly pear cactus: a salt, boron, and drought tolerant, selenium-enriched nutraceutical fruit crop. Journal of Plant Physiology. 155:315-327.
Glassy-winged sharpshooter infestations induce grape hosts to produce volatile compounds which may attract egg parasitoids - (Proceedings)
Wallis, C.M., Krugner, R., Walse, S.S. 2010. Glassy-winged sharpshooter infestations induce grape hosts to produce volatile compounds which may attract egg parasitoids. CDFA Pierce's Disease Control Program Research Symposium, Dec 15-17, 2010, San Diego, California. p.51.
Control of citrus postharvest decay by ammonia gas fumigation and its influence on the efficacy of the fungicide imazalil - (Peer Reviewed Journal)
Montesinos-Herrero, C., Smilanick, J.L., Tebbets, J.S., Walse, S.S., Palou, L. 2011. Control of citrus postharvest decay by ammonia gas fumigation and its influence on the efficacy of the fungicide imazalil. Postharvest Biology and Technology. 59(1):85-93.
Quarternary Amines as Nitrosamine Precursors: A Role for Consumer Products? - (Peer Reviewed Journal)
Kemper, J., Walse, S.S., Mitch, W.A. 2010. Quarternary Amines as Nitrosamine Precursors: A Role for Consumer Products?. Environmental Science and Technology. 44(4):1224-1231.
Cell stimulation with optically manipulated microsources - (Peer Reviewed Journal)
Kress, H., Park, J., Mejean, C.O., Forster, J.D., Park, J., Walse, S.S., Weiner, O.D., Fahmy, T.M., Dufresne, E.R. 2009. Cell stimulation with optically manipulated microsources. Nature Methods. 6:905-909.
Mapping Sulfuryl Fluoride Quarantine Control of Amyelois transitella Using Multivariate Modeling - (Proceedings)
Walse, S.S., Tebbets, J.S., Leesch, J.G. 2009. Mapping Sulfuryl Fluoride Quarantine Control of Amyelois transitella Using Multivariate Modeling. Methyl Bromide Alternatives and Emissions Research Conference Proceedings November 10-13, 2009, San Diego, CA. p. 88.1-2.
Ovicidal Efficacy of Sulfuryl Fluoride to Stored-Product Pests of Dried Fruit - (Proceedings)
Walse, S.S., Tebbets, J.S., Leesch, J.G. 2009. Ovicidal Efficacy of Sulfuryl Fluoride to Stored-Product Pests of Dried Fruit. Methyl Bromide Alternatives and Emissions Research Conference Proceedings, November 10-13, 2009, San Diego, CA. p. 60.1-2
Exploring amino acid side chain decomposition using enzymatic digestion and HPLC-MS: combined lysine transformations in chlorinated waters - (Peer Reviewed Journal)
Walse, S.S., Plewa, M.J., Mitch, W.A. 2009. Exploring amino acid side chain decomposition using enzymatic digestion and HPLC-MS: combined lysine transformations in chlorinated waters. Analytical Chemistry. 81(18):7650-7659.
Hplc-Ms Analysis of Pheromone Glucoconjugates in Oral Secretions of Male Anastrepha Fruit Flies - (Proceedings)
Walse, S.S. 2006. HPLC-MS analysis of pheromone glucoconjugates in oral secretions of male Anastrepha Fruit Flies. American Society for Mass Spectrometry Conference, May 31-June 4, 2009. p. 561.
Environmentally Regulated Abiotic Release of Volatile Pheromones from the Sugar-based Oral Secretions of Caribflies - (Peer Reviewed Journal)
Walse, S.S., Alborn, H.T., Teal, P.E. 2008. Environmentally Regulated Abiotic Release of Volatile Pheromones from the Sugar-based Oral Secretions of Caribflies. Green Chemistry Letters and Reviews. 1(4):205-217.
Relative Configuration of Natural Products Using NMR Chemical Shifts - (Peer Reviewed Journal)
Walse, S.S., Wang, B., Dossey, A.T., Edison, A.S., Merz, K.M. 2009. Relative Configuration of Natural Products Using NMR Chemical Shifts. Journal of Natural Products. 72(4):709-713.
Glycosylated suspensoside, a water soluble pheromone conjugate from the oral secretions of male Anastrepha suspensa - (Peer Reviewed Journal)
Walse, S.S., Lu, F., Teal, P.E. 2009. Glycosylated suspensoside, a water soluble pheromone conjugate from the oral secretions of male Anastrepha suspensa. Journal of Natural Products. 71(10):1726-1731.
Environmentally regulated abiotic release of volatile pheromones from the sugar-based oral secretions of caribflies Reprint Icon - (Peer Reviewed Journal)
Walse, S.S., Alborn, H.T., Teal, P.E. 2008. Environmentally regulated abiotic release of volatile pheromones from the sugar-based oral secretions of caribflies. Green Chemistry. 1(4):205-217.
Single-insect NMR: A new tool to probe chemical biodiversity. - (Peer Reviewed Journal)
Dossey, A.T., Walse, S.S., Rocca, J.R., Edison, A.S. 2006. Single-insect NMR: A new tool to probe chemical biodiversity. Journal of the American Chemical Society. 1(8):511-514.
Role of Dissolved Organic Matter, Nitrate, and Bicarbonate in the Photolysis of Aqueous Fipronil - (Peer Reviewed Journal)
Walse, S.S., Morgan, S.L., Kong, L., Ferry, J.L. 2004. Role of dissolved organic matter, nitrate, and bicarbonate in the photolysis of aqueous fipronil. Environmental Science and Technology. 38(14):3908-3915.
Last Modified: 2/24/2014
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