Non-destructive firmness assessment of ‘SunGold’ kiwifruit a three-year study

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dc.citation.volumeLatest Articles
dc.contributor.authorSneddon T
dc.contributor.authorRivera S
dc.contributor.authorLi M
dc.contributor.authorHeyes J
dc.contributor.authorEast A
dc.contributor.editorGolding J
dc.date.accessioned2024-02-26T01:37:14Z
dc.date.accessioned2024-07-25T06:37:22Z
dc.date.available2024-02-14
dc.date.available2024-02-26T01:37:14Z
dc.date.available2024-07-25T06:37:22Z
dc.date.issued2024-02-14
dc.description.abstractKiwifruit (Actinidia chinensis var. chinensis) firmness is routinely measured in a destructive manner for decision-making purposes. Thus, a population’s quality is inferred by measuring a sample from that population. Consequently, studies have investigated non-destructive techniques for measuring fruit firmness. However, most of these studies have been restricted to a single season or focused on performance over long-term storage. This work compared non-destructive compression (1 mm deformation) and acoustic stiffness with flesh firmness measured with a penetrometer across three seasons. ‘SunGold’ kiwifruit were harvested from 11, 9 and 3 orchards on multiple occasions in 2020, 2021 and 2022, respectively. Kiwifruit was freighted to Palmerston North and assessed on arrival. Thirty fruit per orchard were measured on lab arrival, whilst 24 fruit per orchard were stored for two weeks at 0°C prior to assessment. The non-destructive methods had a strong (r2 > 0.89–0.92) segmented correlation with flesh firmness (0.52–10 kgf). Flesh firmness could be adequately estimated with the non-destructive methods within a season. However, segmented regression performance was reduced when predicting for a season outside of the training population. Nonetheless, these non-destructive methods may be useful for estimating flesh firmness at harvest and after short-term storage (2 weeks at 0 °C).
dc.description.confidentialfalse
dc.identifier.citationSneddon T, Rivera S, Li M, Heyes J, East A. (2024). Non-destructive firmness assessment of ‘SunGold’ kiwifruit a three-year study. New Zealand Journal of Crop and Horticultural Science. Latest Articles.
dc.identifier.doi10.1080/01140671.2024.2314496
dc.identifier.eissn1175-8783
dc.identifier.elements-typejournal-article
dc.identifier.issn0114-0671
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/70560
dc.languageEnglish
dc.publisherTaylor and Francis Group on behalf of the Royal Society of New Zealand
dc.publisher.urihttps://www.tandfonline.com/doi/full/10.1080/01140671.2024.2314496
dc.relation.isPartOfNew Zealand Journal of Crop and Horticultural Science
dc.rights(c) 2024 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectActinidia chinensis
dc.subjectacoustic stiffness
dc.subjectcompression
dc.subjectflesh firmness
dc.subjectsegmented regression
dc.titleNon-destructive firmness assessment of ‘SunGold’ kiwifruit a three-year study
dc.typeJournal article
pubs.elements-id486725
pubs.organisational-groupOther
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