Unexpected variations in flowering and fruiting occur in clonally propagated, purple-fruited pitanga (Eugenia uniflora ‘Zill Dark’) grown in Kona, Hawai’i USA

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dc.contributor.authorGriffis J.L.
dc.contributor.authorJr.
dc.contributor.authorMcDonald T.G.
dc.contributor.authorTuncay O.Ö.
dc.contributor.authorManners M.M.
dc.date.accessioned2019-10-27T08:01:43Z
dc.date.available2019-10-27T08:01:43Z
dc.date.issued2018
dc.departmentEge Üniversitesien_US
dc.description.abstractMany tropical fruits such as the Brazilian purple-fruited pitanga (Eugenia uniflora) are not well known or widely produced outside of their countries of origin. The reasons many of these minor fruit crops do not become more widely available are complex. However, many of the reasons revolve around a lack of research into appropriate horticultural practices such as propagation, nutrition, pest and disease management, and proper harvesting, handling and processing. Another major missing component is cultivar improvement. The purple-fruited pitanga has several named selections available in Brazil, Israel and the USA, but difficulties with clonal propagation have severely limited their availability. Breeding trials using the purple-fruited pitanga ‘Zill Dark’ were initiated in Florida and seedling fields were planted out for further evaluation in both Florida and Hawai’i where the crop is already known. Additionally, twenty veneer-grafted ‘Zill Dark’ pitanga were also planted in the Hawaiian field to provide production data and to serve as comparisons to the seedlings. Scionwood was all obtained from the same ‘Zill Dark’ plant and seedling rootstocks were all grown from seed produced by the same plant that provided the scionwood, as there are no clonal rootstocks available for pitanga. In 2013, five years after the planting of the veneer-grafted ‘Zill Dark’ pitanga, collection of flowering and fruit production data from both the grafted trees of ‘Zill Dark’ and the seedlings was initiated. As a rule, clonally propagated fruit trees of the same cultivar that are the same age, planted in the same field and fertilized, irrigated and pruned in the same manner are expected to produce similar fruiting and flowering results. However, in the Hawaiian field there were statistically significant differences in both times of flowering and ripening of fruit among the ‘Zill Dark’ clones. Why these clonally propagated fruit trees do not have well-synchronized production schedules is unclear; possible causes for this dissimilarity are examined. © 2018 International Society for Horticultural Science. All rights reserved.en_US
dc.identifier.doi10.17660/ActaHortic.2018.1216.9
dc.identifier.endpage72en_US
dc.identifier.isbn9789462612136
dc.identifier.issn0567-7572
dc.identifier.issn0567-7572en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage65en_US
dc.identifier.urihttps://doi.org/10.17660/ActaHortic.2018.1216.9
dc.identifier.urihttps://hdl.handle.net/11454/25053
dc.identifier.volume1216en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInternational Society for Horticultural Scienceen_US
dc.relation.ispartofActa Horticulturaeen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHawaiian cherryen_US
dc.subjectMyrtaceaeen_US
dc.subjectPitangueiraen_US
dc.subjectSurinam cherryen_US
dc.titleUnexpected variations in flowering and fruiting occur in clonally propagated, purple-fruited pitanga (Eugenia uniflora ‘Zill Dark’) grown in Kona, Hawai’i USAen_US
dc.typeConference Objecten_US

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