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ARS Home » Pacific West Area » Corvallis, Oregon » Horticultural Crops Production and Genetic Improvement Research Unit » Research » Research Project #444118

Research Project: Genetic Improvement of Blackberry, Red and Black Raspberry, and Blueberry

Location: Horticultural Crops Production and Genetic Improvement Research Unit

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

The PERPETUAL FLOWERING locus: Necessary but insufficient for genomic prediction of runnerless and other asexual reproduction phenotypes in strawberry Reprint Icon - (Peer Reviewed Journal)
Brukental, H., Bjornson, M.L., Pincot, D.D., Hardigan, M.A., Sharma, S., Jimenez, N.P., Famula, R.A., Lopez, C.M., Cole, G.S., Feldmann, M.J., Knapp, S.J. 2025. The PERPETUAL FLOWERING locus: Necessary but insufficient for genomic prediction of runnerless and other asexual reproduction phenotypes in strawberry. The Plant Genome. 18(3). Article e70086. https://doi.org/10.1002/tpg2.70086.

‘Thunderhead’ erect primocane fruiting blackberry Reprint Icon - (Peer Reviewed Journal)
Hardigan, M.A., Finn, C.E., Jones, P.A., Strik, B.C., Peterson, M.E., Bassil, N.V., King, R., Wiegand, Z.J., Olaya, C., Martin, R.R., Lee, J., Lukas, S.B. 2025. ‘Thunderhead’ erect primocane fruiting blackberry. HortScience. 60(8):1366–1371. https://doi.org/10.21273/HORTSCI18617-25.

Breeding for resistance to significant disease and insect pests of red and black raspberry (Rubus idaeus and R. occidentalis) in the Pacific Northwest Reprint Icon - (Peer Reviewed Journal)
Phipps, S.N., Bassil, N.V., DeLong, J.A., Hoashi-Erhardt, W., Lee, J.C., Vining, K.J., Weiland, G.E., Zasada, I.A., Hardigan, M.A. 2025. Breeding for resistance to significant disease and insect pests of red and black raspberry (Rubus idaeus and R. occidentalis) in the Pacific Northwest. HortScience. 60(7):1180-1199. https://doi.org/10.21273/HORTSCI18571-25.

Genetic control of prickles in tetraploid blackberry Reprint Icon - (Peer Reviewed Journal)
Johns, C.A., Silva, A.T., Chizk, T., Nelson, L., Clark, J.R., Aryal, R., Ashrafi, H., Thompson, E., Hardigan, M.A., Worthington, M. 2025. Genetic control of prickles in tetraploid blackberry. G3: Genes, Genomes, Genetics. 15(6). Article jkaf065. https://doi.org/10.1093/g3journal/jkaf065.

‘WSU 2188’ red raspberry Reprint Icon - (Peer Reviewed Journal)
Hoashi-Erhardt, W., Moore, P.P., Hardigan, M.A., Peterson, M.E., Lukas, S., Jones, P., Dossett, M. 2025. ‘WSU 2188’ red raspberry. HortScience. 60(6):889-903. https://doi.org/10.21273/HORTSCI18510-25.

Loss-of-function mutations in the fruit softening gene POLYGALACTURONASE1 doubled fruit firmness in strawberry Reprint Icon - (Peer Reviewed Journal)
Jiménez, N.P., Bjornson, M., Famula, R.A., Pincot, D.D., Hardigan, M.A., Madera, M.A., Lopez Ramirez, C.M., Cole, G.S., Feldmann, M.J., Knapp, S.J. 2024. Loss-of-function mutations in the fruit softening gene POLYGALACTURONASE1 doubled fruit firmness in strawberry. Horticulture Research. 12(2). Article uhae315. https://doi.org/10.1093/hr/uhae315.

Evaluation of small fruit germplasm at the North Willamette Research and Extension Center - (Abstract Only)
Jones, P.A., Lukas, S.B., Hardigan, M.A., Mackey, T.A., Peterson, M.E., Lee, J., Wiegand, Z., Davis, A.A. 2024. Evaluation of small fruit germplasm at the North Willamette Research and Extension Center. American Society of Horticulture Science Meeting.

Building on a 100 year legacy of small fruit breeding in the Pacific Northwest - (Abstract Only)
Hardigan, M.A., Peterson, M.E., Lukas, S., Jones, P., Davis, A., Lee, J., Bassil, N.V. 2024. Building on a 100 year legacy of small fruit breeding in the Pacific Northwest. HortScience.

Caneberry breeding program synopsis for Breeding Insight website - (Other)
Hardigan, M.A., Lee, J. 2024. Caneberry breeding program synopsis for Breeding Insight website. Breeding Insight website. https://breedinginsight.org/blackberryandraspberry/.

A medium-density genotyping platform for cultivated strawberry using DArTag technology Reprint Icon - (Peer Reviewed Journal)
Hardigan, M.A., Feldmann, M.J., Carling, J., Zhu, A., Kilian, A., Famula, R.F., Cole, G.S., Knapp, S.J. 2023. A medium-density genotyping platform for cultivated strawberry using DArTag technology. The Plant Genome. 16(4). Article e20399. https://doi.org/10.1002/tpg2.20399.