Exploration of fruit parameters for non-destructive identification of calyx cavity in ‘Fuyu’ persimmon (Diospyros kaki L.)

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dc.citation.issue3
dc.citation.volume52
dc.contributor.authorLonguet-Higgins JM
dc.contributor.authorRivera SA
dc.contributor.authorWoolf AB
dc.contributor.authorLi M
dc.contributor.editorGolding J
dc.date.accessioned2024-12-10T23:31:46Z
dc.date.available2024-12-10T23:31:46Z
dc.date.issued2024-05-08
dc.description.abstractCalyx cavity is a common physiological disorder in many persimmon cultivars. It is characterised by a separation between the calyx and the surrounding flesh. The presence of calyx cavity in export fruit can lead to phytosanitary risks and reduced storage potential due to more rapid softening and increased chilling injury. Manual detection of calyx cavity at packing is very time-consuming and uneconomic. This work investigated the ability of non-destructive evaluation, combined with modelling, to identify calyx cavity in ‘Fuyu’ persimmons. Fruit were evaluated at harvest, followed by a period of nine-week storage in modified atmosphere packaging at 0°C. The presence and severity of calyx cavity was related with higher red colouration and fresh weight before storage. Using colour index data and weight data, binary classification of calyx cavity by linear discriminant analysis (LDA) resulted 74.1% correct segregation. The model correctly identified 70.5% of calyx cavity fruit (29.5% false negatives) and 77.4% of no cavity fruit (22.6% false positives). The use of non-destructive calyx cavity classification based on the evaluation of quality parameters is a starting point in providing the ability to segregate healthy fruit before packaging and storage. Further work is necessary to improve model performance before implementation is viable.
dc.description.confidentialfalse
dc.edition.edition2024
dc.format.pagination210-225
dc.identifier.citationLonguet-Higgins JM, Rivera SA, Woolf AB, Li M. (2024). Exploration of fruit parameters for non-destructive identification of calyx cavity in ‘Fuyu’ persimmon (Diospyros kaki L.). New Zealand Journal of Crop and Horticultural Science. 52. 3. (pp. 210-225).
dc.identifier.doi10.1080/01140671.2024.2348134
dc.identifier.eissn1175-8783
dc.identifier.elements-typejournal-article
dc.identifier.issn0114-0671
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/72264
dc.languageEnglish
dc.publisherInforma UK Limited, trading as Taylor & Francis Group
dc.publisher.urihttps://www.tandfonline.com/doi/full/10.1080/01140671.2024.2348134
dc.relation.isPartOfNew Zealand Journal of Crop and Horticultural Science
dc.rights(c) The author/sen
dc.rights.licenseCC BYen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectPostharvest
dc.subjectpersimmon
dc.subjectcalyx cavity
dc.subjectdisorder
dc.subjectmodelling
dc.subjectquality
dc.titleExploration of fruit parameters for non-destructive identification of calyx cavity in ‘Fuyu’ persimmon (Diospyros kaki L.)
dc.typeJournal article
pubs.elements-id489085
pubs.organisational-groupOther
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