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The Duke blueberry, also known as Vaccinium 'Duke', is a cultivar of northern highbush blueberry released in 1987. It is a tetraploid cultivar, derived mostly from Vaccinium corymbosum with a 4 percent contribution of Vaccinium angustifolium. Its parentage includes the cultivars 'Ivanhoe' and 'Earliblue'

It has gained the Royal Horticultural Society's Award of Garden Merit.

References

1. Redpath, L.E.; Aryal, R.; Lynch, N.; Spencer, J.A.; Hulse-Kenp, A.M.; Ballington, J.R.; Green, J.; Bassil, N.; Hummer, K.; Ranney, T.; Ashrafi, H. (2022). "Nuclear DNA contents and ploidy levels of North American Vaccinium species and interspecific hybrids". Scientia Horticulturae. 297: 110955. doi:10.1016/j.scienta.2022.110955. S2CID 246734767.
2. Lobos, G.A.; Hancock, J.F. (2015). "Breeding blueberries for a changing global environment: a review". Front. Plant Sci. 6: 782. doi:10.3389/fpls.2015.00782. PMC 4588112. PMID 26483803.
3. Boches, P.; Bassil, N.V.; Rowland, L. (2006). "Genetic Diversity in the Highbush Blueberry Evaluated with Microsatellite Markers". J. Am. Soc. Hort. Sci. 131 (5): 674–686. doi:10.21273/JASHS.131.5.674.
4. "RHS Plant Selector - Vaccinium corymbosum 'Duke'". Retrieved 27 May 2022.

v t e Blueberries
Species	Vaccinium angustifolium Vaccinium boreale Vaccinium caesariense Vaccinium corymbosum Vaccinium darrowii Vaccinium elliottii Vaccinium fuscatum Vaccinium hirsutum Vaccinium koreanum Vaccinium meridionale Vaccinium myrsinites Vaccinium myrtilloides Vaccinium pallidum Vaccinium tenellum Vaccinium virgatum
General topics	Blueberry
As food	Bilberry Blåbärssoppa Blueberry pie Blueberry sauce
See also	Blueberry tea
Category: Blueberries

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