Skip to main content
ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Sustainable Agricultural Systems Laboratory » People & Locations » Laurie McKenna
Laurie F McKenna
Sustainable Agricultural Systems Laboratory
Biological Science Lab Technician (Molecular Biology)

Phone: (301) 504-6679 ext. 472
Fax: (304) 504-6491

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Consistency of control of damping-off of cucumber is improved by combining ethanol extract of Serratia marcescens with other biologically based technologies - (Peer Reviewed Journal)
Roberts, D.P., Mckenna, L.F., Buyer, J.S. 2017. Consistency of control of damping-off of cucumber is improved by combining ethanol extract of Serratia marcescens with other biologically based technologies. Crop Protection. 96:59-67. http://dx.doi.org/10.1016/j.cropro.2017.01.007.
Seed treatment with ethanol extract of Serratia marcescens is compatible with Trichoderma isolates for control of damping-off of cucumber caused by Pythium ultimum - (Peer Reviewed Journal)
Roberts, D.P., Lakshman, D.K., Mckenna, L.F., Emche, S.E., Maul, J.E., Bauchan, G.R. 2016. Seed treatment with ethanol extract of Serratia marcescens is compatible with Trichoderma isolates for control of damping-off of cucumber caused by Pythium ultimum. Plant Disease. 100:1278-1287.
Control of damping-off of organic and conventional cucumber with extracts from a plant-associated bacterium rivals a seed treatment pesticide - (Peer Reviewed Journal)
Roberts, D.P., Lakshman, D.K., Maul, J.E., McKenna, L.F., Buyer, J.S., Fan, B. 2014. Control of damping-off of organic and conventional cucumber with extracts from a plant-associated bacterium rivals a seed treatment pesticide. Crop Protection. 65:86-94.
Formulations of the endophytic bacterium Bacillus subtilis Tu-100 suppress Sclerotinia sclerotiorum on oilseed rape and improve plant vigor in field trials conducted at separate locations - (Peer Reviewed Journal)
Hu, X., Roberts, D.P., Maul, J.E., Emche, S.E., Liao, X., Gao, X., Gao, Y., Mckenna, L.F., Buyer, J.S., Liu, S. 2011. Formulations of the endophytic bacterium Bacillus subtilis Tu-100 suppress Sclerotinia sclerotiorum on oilseed rape and improve plant vigor in field trials conducted at separate locations. Canadian Journal of Microbiology. 57(7): 539-546.
Mutation of a degS homologue in Enterobacter cloacae decreases colonization and biological control of damping-off caused by Pythium ultimum on cucumber - (Peer Reviewed Journal)
Roberts, D.P., Lohrke, S.M., Mckenna, L.F., Lakshman, D.K., Kong, H.N., Lydon, J. 2011. Mutation of a degS homologue in Enterobacter cloacae decreases colonization and biological control of damping-off caused by Pythium ultimum on cucumber. Microbiology. 101:271-280.
Selection of genetically diverse trichoderma spp. isolates for suppression of phytophthora capsici on bell pepper - (Peer Reviewed Journal)
Roberts, D.P., Maul, J.E., Mckenna, L.F., Emche, S.E., Meyer, S.L., Collins, R.T., Bowers, J.H. 2010. Selection of genetically diverse trichoderma spp. isolates for suppression of phytophthora capsici on bell pepper. Canadian Journal of Microbiology. 56:864-873.
Reduced carbon utilization, competitive colonization of the spermosphere, and disease suppression by Enterobacter cloacae - (Abstract Only)
Roberts, D.P., Mckenna, L.F., Buyer, J.S. 2009. Reduced carbon utilization, competitive colonization of the spermosphere, and disease suppression by Enterobacter cloacae [abstract]. International Plant Growth Promoting Rhizobacteria Workshop.
Influence of host seed on metabolic activity by Enterobacter cloacae in the spermosphere - (Peer Reviewed Journal)
Roberts, D.P., Baker, C.J., Mckenna, L.F., Liu, S., Buyer, J.S., Kobayashi, D.Y. 2009. Influence of host seed on metabolic activity by Enterobacter cloacae in the spermosphere. Soil Biology and Biochemistry. 41:754-761.
Suppression of Phytophthora capsici on bell pepper with isolates of Trichoderma - (Abstract Only)
Roberts, D.P., Mckenna, L.F. 2008. Suppression of Phytophthora capsici on bell pepper with isolates of Trichoderma [abstract]. Proceedings of International Research Conference on Methyl Bromide Alternatives.
Evidence that a DEGS homologue in Enterobacter clocae is important for colonization and disease suppression on cucumber - (Abstract Only)
Roberts, D.P., Lohrke, S.M., Mckenna, L.F., Lakshman, D.K. 2008. Evidence that a DEGS homologue in Enterobacter clocae is important for colonization and disease suppression on cucumber [abstract]. Microbial Ecology International Symposium.
MUTATION IN A DEGS HOMOLOGUE IN ENTEROBACTER CLOACAE RESULTS IN DECREASED SEEDLING AND ROOT COLONIZATION BY THIS BACTERIUM - (Abstract Only)
Roberts, D.P., Lohrke, S.M., Lakshman, D.K., Mckenna, L.F. 2007. Mutation in a degs homologue in enterobacter cloacae results in decreased seedling and root colonization by this bacterium [abstract]. International Congress on Molecular Plant-Microbe Interactions.
SUPPRESSION OF DAMPING-OFF OF CUCUMBER CAUSED BY PYTHIUM ULTIMUM WITH LIVE CELLS AND EXTRACTS OF SERRATIA MARCESCENS N4-5 - (Peer Reviewed Journal)
Roberts, D.P., Mckenna, L.F., Lakshman, D.K., Meyer, S.L., Kong, H.N., De Souza, J.T., Lydon, J., Baker, C.J., Buyer, J.S., Chung, S. 2007. Suppression of damping-off of cucumber caused by pythium ultimum with live cells and extracts of serratia marcescens n4-5. Soil Biology and Biochemistry. 39:2275-2288.
PYRUVATE DEHYDROGENASE ACTIVITY IS IMPORTANT FOR COLONIZATION OF SEEDS AND ROOTS BY ENTEROBACTER CLOACAE - (Peer Reviewed Journal)
Roberts, D.P., Mckenna, L.F., Lohrke, S.M., Rehner, S.A., De Souza, J.T. 2007. Pyruvate dehydrogenase activity is important for colonization of seeds and roots by enterobacter cloacae. Soil Biology and Biochemistry. 39:2150-2159.
USE OF NATURAL PRODUCTS FOR SUPPRESSION OF SOILBORNE DISEASES OF CUCUMBER - (Abstract Only)
Roberts, D.P., Mckenna, L.F. 2006. Use of natural products for suppression of soilborne diseases of cucumber. International Conference on Methyl Bromide Alternatives and Emissions Reductions. Available: http://www.mbao.org/2006/06Proceedings/mbrpro06.html.
MUTATION IN CYAA IN ENTEROBACTER CLOACAE DECREASES CUCUMBER ROOT COLONIZATION - (Peer Reviewed Journal)
Roberts, D.P., Mckenna, L.F., Hu, X., Lohrke, S.M., Kong, H.N., De Souza, J.T., Baker, C.J., Lydon, J. 2006. Mutation in cyaa in enterobacter cloacae decreases cucumber root colonization. Archives Of Microbiology. 187:101-115.
INFLUENCE OF CATABOLIC CAPABILITIES OF ENTEROBACTER CLOACAE ON COLONIZATION OF CUCUMBER RHIZOSPHERE BY THIS BACTERIUM - (Abstract Only)
Roberts, D.P., Mckenna, L.F., Lohrke, S.M., Buyer, J.S., Liu, S., Hu, X., De Souza, J.T. 2006. Influence of catabolic capabilities of enterobacter cloacae on colonization of cucumber rhizosphere by this bacterium [abstract]. International Plant Growth Promoting Rhizobacteria Workshop.
MUTATION OF A CYAA HOMOLOGUE IN ENTEROBACTER CLOACAE RESULTS IN REDUCED COLONIZATION OF CUCUMBER SEEDLINGS AND ROOTS - (Abstract Only)
Roberts, D.P., Hu, X., Mckenna, L.F., Lohrke, S., Kong, H.N., Desouza, J.T., Lydon, J. 2006. Mutation of a cyaa homologue in enterobacter cloacae results in reduced colonization of cucumber seedlings and roots [abstract]. International Union of Microbiological Societies Proceedings/Abstracts.
MUTATION OF A DEGS HOMOLOG IN ENTEROBACTER CLOACAE DECREASES SEED AND ROOT COLONIZATION BUT DOES NOT AFFECT BIOCONTROL OF DAMPING-OFF CAUSED BY PYTHIUM ULTIMUM ON CUCUMBER - (Abstract Only)
MUTATION IN AN SDHA HOMOLOGUE IN ENTEROBACTER CLOACAE RESULTS IN REDUCED COLONIZATION BUT DOES NOT AFFECT BIOCONTROL OF DAMPING OFF ON CUCUMBER - (Abstract Only)
MUTATION IN AN CYAA HOMOLOGUE IN ENTEROBACTER CLOACAE RESULTS IN REDUCED COLONIZATION BUT DOES NOT AFFECT DAMPING-OFF ON CUCUMBER - (Abstract Only)
MUTATION IN THE SDHA HOMOLOGUE IN ENTEROBACTER CLOACAE RESULTS IN COLONIZATION OF CUCUMBER ROOTS BUT DOES NOT AFFECT BIOCONTROL OF DAMPING-OFF ON CUCUMBER CAUSED BY PYTHIUM ULTIMUM - (Abstract Only)
GLOMALIN - A MANAGEABLE SOIL GLUE - (Other)
WRIGHT, S.E., NICHOLS, K.A., JAWSON, L., MCKENNA, L.F., ALMENDRAS, A. GLOMALIN - A MANAGEABLE SOIL GLUE. SOIL SCIENCE SOCIETY OF AMERICA SPECIAL PUBLICATION BOOK CHAPTER. 2001.