Research Plant Pathologist
Contact:
(831)755-2820
samuel.liu@usda.gov
Liu, S.S., Clark, K.J., Anchieta, A.G., Ayala, H., Correll, J.C., Putman, A.I., Montazar, A., Klosterman, S.J. 2024. Forecasting lettuce and spinach downy mildew airborne spore levels in California. American Phytopathological Society Annual Meeting, July 27-30, 2024, Memphis, Tennessee.
Klosterman, S.J., Liu, S.S., Subbarao, K.V., Liu, Y.-B. 2024. Nitrogen dioxide fumigation reduces the viability of Verticillium dahliae and Peronospora effusa in spinach seeds. International Plant Protection Congress, July 1-5, 2024, Athens, Greece.
Liu, S.S., Anchieta, A.G., Clark, K.J., Correll, J., Placella, S., Klosterman, S.J. 2023. Quantification of airborne spinach and lettuce downy mildew at three different ranches in California. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.
Liu, S.S., Liu, Y.-B., Simmons, G.S. 2015. Oxygenated phosphine fumigation for control of light brown apple moth, Epiphyas postvittana (Lepidoptera: Tortricidae), eggs on cut-flowers. Journal of Economic Entomology. 108(4):1630-1636. https://doi.org/10.1093/jee/tov158.
Liu, S.S., Liu, Y.-B., Simmons, G.S. 2014. Oxygenated phosphine fumigation for control of Epiphyas postvittana (Lepidoptera: Tortricidae) eggs on lettuce. Journal of Economic Entomology. 107(4):1370-1376. https://doi.org/10.1603/EC13487.
Liu, S.S., Liu, Y. 2014. Reducing CO2 accumulation and its phytotoxicity to lettuce with absorbent in hermetic storage as a simulation of long-term fumigation. Journal of Asia-Pacific Entomology. 17:435-439.
Liu, S.S., Liu, Y. 2014. Reducing injury of lettuce from phosphine fumigation. HortTechnology. 24:188-195.
Liu, Y., Liu, S.S., Simmons, G., Walse, S.S., Myers, S.W. 2013. Effects of phosphine fumigation on survivorship of Epiphyas postvittana (Lepidoptera: Tortricidae) eggs. Journal of Economic Entomology. 106(4):1613-1618.
Liu, S.S., Li, A.Y., Witt, C.M., Perez De Leon, A.A. 2013. Effects of reserpine on reproduction and serotonin immunoreactivity in the stable fly Stomoxys calcitrans (L.). Journal of Insect Physiology. 59:974-982.
Liu, S.S., Li, A.Y., Lohmeyer, K.H., Perez De Leon, A.A. 2012. Effects of pyriproxyfen and buprofezin on immature development and reproduction in the stable fly. Medical and Veterinary Entomology. 26:379-385.
Liu, S.S., Li, A.Y., Witt, C.M., Perez De Leon, A.A. 2011. Immunohistological localization of serotonin in the CNS and feeding system of the stable fly stomoxys calcitrans L. (Diptera: muscidae). Archives of Insect Biochemistry and Physiology. 77(4):199-219.
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