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 497031
Title Modelling the quality of potted plants after dark storage
Author(s) Tromp, S.O.; Harkema, H.; Rijgersberg, H.; Westra, E.H.; Woltering, E.J.
Source Postharvest Biology and Technology 103 (2015). - ISSN 0925-5214 - p. 9 - 16.
Department(s) FBR Supply Chain & Information Management
FBR Post Harvest Technology
Publication type Non-refereed article in scientific journal
Publication year 2015
Abstract Prolonged dark storage affects the quality of potted plants. A model was designed to quantify the effect of storage time and temperature on the display life of potted plants, such that logistics can be optimized, resulting in increased remaining quality and less rejected plants. Experiments were carried out with two Phalaenopsis cultivars, two Anthurium cultivars and two Cyclamen cultivars, the latter with two colour variants per cultivar. Plants were stored for different storage times at different temperatures. The aim of the chosen times and temperatures was to determine the quality effect of transport at optimal and suboptimal temperatures. After storage, plants were stored at 20 °C for 14 days, for simulating a display period. Different quality aspects were scored immediately after storage and after 7 and 14 days of display.

For each cultivar, a model was fitted consisting of a logistic function for representing the storage-time dependency of quality. In order to cope with both senescence symptoms at higher temperatures and chilling injury at lower temperatures, two non-interfering Arrhenius equations were incorporated. Because the effects of chilling exposure are commonly manifest only when the chilled plants are returned to ambient temperatures, the quality of Phalaenopsis and Anthurium plants measured immediately after storage at low temperatures was not taken into account. The behaviour of the Phalaenopsis and the Anthurium cultivars was well described by their models. The coefficients of determination based on the unexplained variation due to lack of fit were in the range of 0.89–0.99.
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