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United States Department of Agriculture

Agricultural Research Service

Related Topics

Richard T Olsen
Office of The Director
General Biological Science

Phone: (301) 245-4539
Fax: (202) 245-4575
Room 134

U.S. NATIONAL ARBORETUM
3501 NEW YORK AVE., N.E.
ADMINISTRATION
WASHINGTON , DC 200021958

Projects
Agreement Between The United States National Arbortum and the Friends of the National Arboretum
Nonfunded Cooperative Agreement (N)
  Accession Number: 428691
Developing Blight-Resistant Boxwood Germplasm
Specific Cooperative Agreement (S)
  Accession Number: 423742

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Biological control of sentinel egg masses of the exotic invasive stink bug halyomorpha halys (Stål) in Mid-Atlantic USA ornamental landscapes Reprint Icon -
Cornelius, M.L., Dieckhoff, C., Hoelmer, K.A., Olsen, R.T., Weber, D.C., Herlihy, M.V., Talamas, E.J., Vinyard, B.T., Greenstone, M.H. 2016. Biological control of sentinel egg masses of the exotic invasive stink bug halyomorpha halys (Stål) in Mid-Atlantic USA ornamental landscapes. Biological Control. 103:11-20.
Use of mycelium and detached leaves in bioassays for assessing resistance to boxwood blight -
Guo, Y.H., Olsen, R.T., Kramer, M.H., Pooler, M.R. 2016. Use of mycelium and detached leaves in bioassays for assessing resistance to boxwood blight. Plant Disease. 100:1622-2626.
Your U.S. National Arboretum: A not so hidden gem -
Evaluating boxwood (Buxus spp.) susceptibility to Calonectria pseudonaviculata by inoculating cuttings from the National Boxwood Collection at the U.S. National Arboretum -
Shishkoff, N., Daughtrey, M.L., Olsen, R.T., Aker, S.M. 2015. Evaluating boxwood (Buxus spp.) susceptibility to Calonectria pseudonaviculata by inoculating cuttings from the National Boxwood Collection at the U.S. National Arboretum. Plant Health Progress. 16:11-15.
Effective bioassays for evaluating boxwood blight (Calonectria pseudonaviculata) susceptibility using detached stem inoculations -
Guo, Y., Olsen, R.T., Kramer, M.H., Pooler, M.R. 2015. Effective bioassays for evaluating boxwood blight (Calonectria pseudonaviculata) susceptibility using detached stem inoculations. HortScience. 50(2):268-271.
Development of polymorphic genic-SSR markers by cDNA library sequencing in boxwood, Buxus spp. (Buxaceae) -
Thammina, C., Olsen, R.T., Wight-Malapi, M., Crouch, J., Pooler, M.R. 2014. Development of polymorphic genic-SSR markers by cDNA library sequencing in boxwood, Buxus spp. (Buxaceae). Applications in Plant Sciences. 9(12):1400095.
Asian germplasm in American horticulture: new thoughts on an old theme -
Olsen, R.T. 2014. Asian germplasm in American horticulture: new thoughts on an old theme. HortScience. 48:1073-1077.
In vitro induction of polyploidy in Cercis glabra Pamp -
Nadler, J.D., Pooler, M.R., Olsen, R.T., Coleman, G. 2012. In vitro induction of polyploidy in Cercis glabra Pamp. Scientia Horticulturae. 148:126-130.
Plant breeding for harmony between agriculture and the environment -
Brummer, E., Barber, W.T., Collier, S., Cox, T.S., Johnson, R., Murray, S., Olsen, R.T., Pratt, R., Thro, A. 2012. Plant breeding for harmony between agriculture and the environment. Frontiers in Ecology and the Environment. 9:561-568.
Neotypification of Catalpa speciosa (Bignonioides) -
Kirkbride, J.H., Olsen, R.T. 2011. Neotypification of Catalpa speciosa (Bignonioides). Taxon. 60(6):1760-1763.
Identity of Catalpa tibetica (Bignoniaceae) -
Kirkbride, J.H., Olsen, R.T. 2011. Identity of Catalpa tibetica (Bignoniaceae). Journal of Botanical Research Institute of Texas. 5(2):625-631.
Ulmus americana is a polyploid complex -
Whittemore, A.T., Olsen, R.T. 2011. Ulmus americana is a polyploid complex. Journal of Botanical Research Institute of Texas. 98(4):754-760.
Mycosphaerella nyssicola revisited: characterization of a species distinct from M. punctiformis -
Minnis, A., Rossman, A.Y., Olsen, R.T. 2011. Mycosphaerella nyssicola revisited: characterization of a species distinct from M. punctiformis. Mycotaxon. 155:311-322.
Sphaerographium nyssicola Minnis, Rossman & D.F. Farr, sp. nov. -
Minnis, A., Rossman, A.Y., Farr, D., Olsen, R.T. 2010. Sphaerographium nyssicola Minnis, Rossman & D.F. Farr, sp. nov. Persoonia: Molecular Phylogeny and Evolution of Fungi. 25:122-123.
Development of simple sequence repeat markers for Chionanthus retusus (Oleaceae) and effective discrimination of closely related taxa -
Arias, R.S., Techen, N., Rinehart, T.A., Olsen, R.T., Kirkbride, J.H., Scheffler, B.E. 2010. Development of simple sequence repeat markers for Chionanthus retusus (Oleaceae) and effective discrimination of closely related taxa. HortScience. 46(1):23-29.
Evaluating fertility of triploid clones of hypericum androsaemum L. for use as non-invasive landscape plants -
Trueblood, C.E., Ranney, T.G., Lynch, N.P., Neal, J.C., Olsen, R.T. 2010. Evaluating fertility of triploid clones of hypericum androsaemum L. for use as non-invasive landscape plants. HortScience. 45:1026-1028.
Validation of the hybrid flowering cherry Prunus xincam Ingram (Rosaceae) Reprint Icon -
Olsen, R.T. and Whittemore, A.T. 2009. Validation of the hybrid flowering cherry Prunus xincam (Rosaceae). Novon. 19:490-493.
Development of SSR markers for Chionanthus retusus (Oleaceae) and effective discrimination of closely related taxa -
Arias, R.S., Techen, N., Rinehart, T.A., Olsen, R.T., Kirkbride, J.H., Scheffler, B.E. 2009. Development of SSR markers for Chionanthus retusus (Oleaceae) and effective discrimination of closely related taxa. American Society of Horticulture Science Meeting, July 24-28, 2008, St. Louis, MO. meeting Prodeedings. 44(4):1007.
Evaluation of flowering cherry (Prunus L.) species, hybrids, and cultivars using SSR markers Reprint Icon -
Ma, H., Olsen, R., Pooler, M, Kramer, Matthew. 2009. Evaluation of Flowering Cherry Species, Hybrids, and Cultivars Using Simple Sequence Repeat Markers. Journal of the American Society for Horticultural Science. 134:435-444.
Evaluation of Hemlock (Tsuga)Species and Hybrids for Resistance to Adelges tsugae (Hemiptera:Adelgidae) Using Artificial Infestation -
Montgomery, M.E., Bentz, S.E., Olsen, R.T. 2009. Evaluation of hemlock (Tsuga) species and hybrids for resistance to Adelges tsugae (Hemiptera: Adelgidae) using artificial inoculation. Journal of Economic Entomology. 102:1247-1254.
Evaluation of a 15-year-old Carolina silverbell provenance trial -
Olsen, R.T. 2009. Evaluation of a 15-year-old Carolina silverbell provenance trial. Proceedings of the 53rd Annual Southern Nursery Association Research Conference. 53:181-185.
Gene banks offer breeders access to germplasm: Germplasm collections help to preserve genetic diversity -
Robbins, J., Widrlechner, M.P., Olsen, R.T., Reed, S.M., Meerow, A.W., Hummer, K.E., Bretting, P.K., Allenstein, P., Krautmann, M. 2008. Gene banks offer breeders access to germplasm: Germplasm collections help to preserve genetic diversity. Nursery Management and Production. 24(5):53-58.
Resistance of Hemlock species and hybrids to Hemlock woolly Adelgid -
Bentz, S.E., Montgomery, M.E., Olsen, R.T. 2008. Resistance of hemlock species and hybrids to hemlock woolly adelgid. Fouth Symposium on Hemlock Woolly Adelgid in the Eastern United States, 12-14 February 2008.
Prunus x sieboldii -
Olsen, R.T., 2008. Prunus x Sieboldii. 2008. American Journeyman. vol 207-66.
POLYPOID BREEDING IN HYPERICUM ANDROSAEMUM L -
Olsen, R.T., and Ranney, T.G. 2006. Polyploid breeding in Hypericum androsaemum L. HortScience. 41:952.
ARS News Articles
Last Modified: 5/2/2016
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