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ARS Home » Northeast Area » Washington, D.C. » National Arboretum » Floral and Nursery Plants Research » People & Locations » Lisa Alexander
Lisa Alexander (PhD)
Floral and Nursery Plants Research
Research Geneticist

Phone: (931) 815-5142
Fax: (931) 668-2985

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

Projects
Functional Genomics, Genetic Improvement, and Sustainable Production of Nursery Crops
In-House Appropriated (D)
  Accession Number: 445148
Genomics and Transcriptomics of Priority Woody Nursery Crops
Non-Assistance Cooperative Agreement (S)
  Accession Number: 447071
Functional Genomics of Powdery Mildew Resistance in Bigleaf Hydrangea
Non-Assistance Cooperative Agreement (S)
  Accession Number: 439017
Evaluation of native and underutilized woody ornamental nursery crops for breeding and production potential
Non-Assistance Cooperative Agreement (S)
  Accession Number: 445117
Improvement of Imported Fire Ant Quarantine Treatments to Enhance Certification of Field-Grown Nursery Plants
Non-Assistance Cooperative Agreement (S)
  Accession Number: 445119

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Two haplotype-resolved genomes of Hydrangea macrophylla reveal important flower traits for breeding improvement - (Proceedings)
Production and verification of novel Osmanthus hybrids Reprint Icon - (Peer Reviewed Journal)
Alexander, L.W., Wu, X., Gouker, F.E. 2024. Production and verification of novel Osmanthus hybrids. Frontiers in Horticulture. https://doi.org/10.3389/fhort.2024.1382450.
Powdery mildew of bigleaf hydrangea: biology, control, and breeding strategies for resistance Reprint Icon - (Review Article)
Jennings, C., Baysal-Gurel, F., Alexander, L.W. 2024. Powdery mildew of bigleaf hydrangea: biology, control, and breeding strategies for resistance. Horticulturae. https://doi.org/10.3390/horticulturae10030216.
Two haplotype-resolved genomes reveal important flower traits in bigleaf hydrangea (Hydrangea macrophylla) and insights into Asterid evolution Reprint Icon - (Peer Reviewed Journal)
Wu, X., Simpson, S.A., Youngblood, R., Scheffler, B.E., Alexander, L.W., Hulse-Kemp, A.M. 2023. Whole genome sequencing reveals genes implicated with important flower traits in bigleaf hydrangea (Hydrangea macrophylla). Horticulture Research. https://doi.org/10.1093/hr/uhad217.
Evaluation of Hydrangea cultivars for tolerance against root rot caused by Fusarium oxysporum Reprint Icon - (Peer Reviewed Journal)
Neupane , S., Baysal-Gurel , F., Alexander, L.W. 2023. Evaluation of Hydrangea cultivars for tolerance against root rot caused by Fusarium oxysporum. Plant Disease. https://doi.org/10.1094/PDIS-11-22-2712-RE.
Genome size, flowering, and breeding compatibility in Osmanthus Reprint Icon - (Peer Reviewed Journal)
Alexander, L.W. 2023. Genome size, flowering, and breeding compatibility in Osmanthus. Horticulturae. https://doi.org/10.3390/horticulturae9010056.
Precipitation, temperature, and population structure influence genetic diversity of Hydrangea quercifolia throughout its native range Reprint Icon - (Peer Reviewed Journal)
Sherwood, A.P., Alexander, L.W., Clark, M., Hokanson, S. 2023. Precipitation, temperature, and population structure influence genetic diversity of Hydrangea quercifolia throughout its native range. Journal of the American Society for Horticultural Science. https://doi.org/10.21273/JASHS05255-22.
Growth, Gas Exchange, and Mineral Nutrients of Hydrangea Hybrids to Saline Water Irrigation Reprint Icon - (Peer Reviewed Journal)
Sun, Y., Dou, H., Perez, C., Niu, G., Alexander, L.W. 2022. Growth, Gas Exchange, and Mineral Nutrients of Hydrangea Hybrids to Saline Water Irrigation. HortScience. 57(2):319-329. https://doi.org/10.21273/HORTSCI16196-21.
Management of Phytophthora cinnamomi using fungicides and host plant defense inducers under drought conditions: A case-study of flowering dogwoods Reprint Icon - (Peer Reviewed Journal)
Neupane, K., Alexander, L.W., Baysal-Gurel, F. 2022. Management of Phytophthora cinnamomi using fungicides and host plant defense inducers under drought conditions: A case-study of flowering dogwoods. Plant Disease. 106:475-485. https://doi.org/10.1094/PDIS-04-21-0789-RE.
Horticultural characterization of wild Hydrangea quercifolia seedlings collected throughout the species native range Reprint Icon - (Peer Reviewed Journal)
Sherwood, A., Alexander, L.W., Mcnamara, S., Clark, M., Hokanson, S. 2021. Horticultural characterization of wild Hydrangea quercifolia seedlings collected throughout the species native range. Journal of the American Society for Horticultural Science. 56(9):1-11.
Genomic resource development for hydrangea (Hydrangea macrophylla (Thunb.) Ser.) – A transcriptome assembly and a high-density genetic linkage map Reprint Icon - (Peer Reviewed Journal)
Wu, X., Hulse-Kemp, A.M., Wadl, P.A., Smith, Z., Mockaitis, K., Staton, M.E., Rinehart, T.A., Alexander, L.W. 2021. Genomic resource development for hydrangea (Hydrangea macrophylla (Thunb.) Ser.) – A transcriptome assembly and a high-density genetic linkage map. Horticulturae. https://doi.org/10.3390/horticulturae7020025.
Relationship of imported fire ant (Hymenoptera: Formicidae) integument coloration to cuticular hydrocarbon and venom alkaloid indice Reprint Icon - (Peer Reviewed Journal)
Pandey, M., Addesso, K.M., Alexander, L.W., Youssef, N.N., Oliver, J.B. 2021. Relationship of imported fire ant (Hymenoptera: Formicidae) integument coloration to cuticular hydrocarbon and venom alkaloid indice. Environmental Entomology. 1-7. https://doi.org/10.1093/ee/nvaa184.
Comparative performance of reduced-risk fungicides and biorational products in management of post-harvest Botrytis cinerea on hydrangea cut flowers Reprint Icon - (Peer Reviewed Journal)
Bika, R., Palmer, C., Alexander, L.W., Baysal-Gurel, F. 2020. Comparative performance of reduced-risk fungicides and biorational products in management of post-harvest Botrytis cinerea on hydrangea cut flowers. HortTechnology. https://doi.org/10.21273/HORTTECH04656-20.
Molecular verification of Osmanthus armatus hybrids - (Proceedings)
Alexander, L.W., Wu, X., Hassler, S. 2020. Molecular verification of Osmanthus armatus hybrids. Southern Nursery Association Proceedings. 64/74:84.
Ploidy level influences pollen tube growth and seed viability in interploidy crosses of Hydrangea macrophylla Reprint Icon - (Peer Reviewed Journal)
Alexander, L.W. 2020. Ploidy level influences pollen tube growth and seed viability in interploidy crosses of Hydrangea macrophylla. Frontiers in Plant Science. https://doi.org/10.3389/fpls.2020.00100.
Development and field assessment of transgenic hybrid switchgrass for improved biofuel traits Reprint Icon - (Peer Reviewed Journal)
Alexander, L.W., Hatcher, Catherine, Mazarei, Mitra, Haynes, Ellen, Baxter, Holly, Kim, Keonhee, Hamilton, Choo, Sykes, Robert, Turner, Geoffrey, Davis, Mark, Dixon, Richard, Wang, Zeng-Yu, Labbe, Nicole, Stewart, C.Neal Jr 2020. Development and field assessment of transgenic hybrid switchgrass for improved biofuel traits. Euphytica. 216:25. https://doi.org/10.1007/s10681-020-2558-3.
Growth, flowering, and powdery mildew related responses of witchhazels in Tennessee - (Peer Reviewed Journal)
Alexander, L.W., Baysal-Gurel, F., Witcher, A.L. 2019. Growth, flowering, and powdery mildew related responses of witchhazels in Tennessee. HortTechnology. 29(4):507-515.
Genetic diversity and population structure analysis of Hydrangea macrophylla using genotyping-by-sequencing (GBS) - (Peer Reviewed Journal)
Wu, X., Alexander, L.W. 2019. Genetic diversity and population structure analysis of Hydrangea macrophylla using genotyping-by-sequencing (GBS). Journal of the American Society for Horticultural Science. 144(4):257-263.
Optimizing pollen germination and pollen viability estimates for Hydrangea macrophylla, Dichroa febrifuga, and their hybrids - (Peer Reviewed Journal)
Alexander, L.W. 2019. Optimizing pollen germination and pollen viability estimates for Hydrangea macrophylla, Dichroa febrifuga, and their hybrids. Scientia Horticulturae. 246:244-250.
Growth, cold-hardiness, and flowering of Osmanthus in Tennessee - (Peer Reviewed Journal)
Alexander, L.W. 2019. Growth, cold-hardiness, and flowering of Osmanthus in Tennessee. HortTechnology. 29:78-84.
Hamamelis virginiana ‘Sunglow’ - (Peer Reviewed Journal)
Alexander, L.W., Witcher, A., Arnold, M. 2018. Hamamelis virginiana ‘Sunglow’. HortScience. 53(4):575-577.
Cross-transferability of SSR markers in Osmanthus - (Peer Reviewed Journal)
Alexander, L.W., Thammina, C., Kramer, M.H. 2017. Cross-transferability of SSR markers in Osmanthus. Genetic Resources and Crop Evolution. doi:10.1007/s10722-017-0514-4.
Distance and phenology influence pollen gene flow, male reproductive success, and female mate choice in a northern red oak (Quercus rubra L.) seed orchard - (Peer Reviewed Journal)
Alexander, L.W., Woeste, K.E. 2017. Distance and phenology influence pollen gene flow, male reproductive success, and female mate choice in a northern red oak (Quercus rubra L.) seed orchard. PLoS One. 12(2):e0171598.
Production of triploid Hydrangea macrophylla via unreduced gamete breeding - (Peer Reviewed Journal)
Alexander, L.W. 2017. Production of triploid Hydrangea macrophylla via unreduced gamete breeding. HortScience. 52:221-224.
Hybridization of downregulated-COMT transgenic switchgrass lines with field selected switchgrass for improved biomass traits - (Peer Reviewed Journal)
Baxter, H.L., Alexander, L.W., Mazarei, M., Haynes, E., Turner, G.B., Sykes, R.W., Decker, S.R., Davis, M.F., Dixon, R.A., Wang, Z., Stewart, N.C. 2016. Hybridization of downregulated-COMT transgenic switchgrass lines with field selected switchgrass for improved biomass traits. Euphytica. 209:341-355.
Rapid, effective DNA isolation from Osmanthus via alkaline lysis - (Peer Reviewed Journal)
Alexander, L.W. 2016. Rapid, effective DNA isolation from Osmanthus via alkaline lysis. Journal of Biomolecular Techniques. 27:53-60.
Phenology, dichogamy, and floral synchronization in a northern red oak (Quercus Rubra L.) seed orchard - (Peer Reviewed Journal)
Alexander, L.W., Woeste, Keith E. 2016. Phenology, dichogamy, and floral synchronization in a northern red oak (Quercus Rubra L.) seed orchard . Forest Ecology and Management. 46:629-636.
Inheritance of floral and plant size traits in hydrangea macrophylla - (Proceedings)
Cultural treatments for accelerated growth and flowering of Panicum virgatum - (Peer Reviewed Journal)
Alexander, L.W., Haynes, E.R., Burris, J., Jackson, S., Stewart, N.C. 2015. Cultural treatments for accelerated growth and flowering of Panicum virgatum. Biofuels. 5(6):771-780.
'Queen of Hearts' Oakleaf Hydrangea - (Peer Reviewed Journal)
Alexander, L.W., Reed, Sandra 2015. ‘Queen of Hearts’ Oakleaf Hydrangea. HortScience. 50(2):310-311.