Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 506459
Title Influence of pre-harvest calcium, potassium and triazole application on the proteome of apple at harvest
Author(s) Buts, Kim; Hertog, M.L.A.T.M.; Ho, Quang Tri; America, A.H.P.; Cordewener, J.H.G.; Vercammen, J.; Carpentier, S.C.; Nicolaï, Bart
Source Journal of the Science of Food and Agriculture 96 (2016)15. - ISSN 0022-5142 - p. 4984 - 4993.
Department(s) PRI BIOS Applied Metabolic Systems
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract Braeburn browning disorder is a storage disease characterised by flesh browning and lens-shaped cavities. The incidence of this postharvest diorder is known to be affected by pre-harvest application of fertilisers and triazole-based fungicides. Recent work has shown that calcium and potassium reduced the incidence of Braeburn browning disorder, while triazoles had the opposite effect. This study addresses the hypothesis of an early proteomic imprint in the apple fruit at harve induced by the pre-harvest factors applied. If so, this could be used for an early screening of apple fruit at harvest for their postharvest susceptibility to flesh browning.
Results: Calcium and triazole had significant effects, while potassium did not. One hundred and thirty proetin families were identified, of which 29 were significantly altered after calcium and 63 after triazole treatment. Up-regulations of important antioxicant enzymes was correlated with calcium fertilisation, while triazole induced alterations in the levels of respiration and ethylene biosynthesis related proteins.
Conclusions: Pre-harvest fertiliser and fungicide application had considerable effects on the apple proteome at harvest. Thes changes, together with the applied storage conditions will determine whether or net BBD develops.
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