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VCRB :: Contents of Volume 60/2004 :: Detailed information


THE EFFECTS OF POSTHARVEST TREATMENTS AND STORAGE TEMPERATURE ON THE QUALITY OF HORSERADISH ROOT CUTTINGS

Franciszek ADAMICKI, Ewa BADEŁEK, Maria ROGOWSKA, Władysław MACIAS
Research Institute of Vegetable Crops Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland


Summary

In the experiments conducted during the years 1996-1999, the effects of postharvest treatments and storage temperature on quality and storability of horseradish root cuttings were evaluated.
Post-harvest treatments did not significantly affect the percentage of marketable cuttings after 5 and 7 months of storage. Storage of cuttings in higher temperature (5oC) stimulated sprouting of leaves decreased percentage of marketable cuttings and increased number of diseased and rotten ones. A method of rapid cooling of cuttings in icy water, used in the experiment, did not prove evidently superior to commonly used in practice methods of short-term storage of cuttings (before placing in a clamp) in moist sand or in a heap. Storage in 0oC was slightly better than higher temperature of 5oC, similar to conditions occuring in clamps. The highest percentage of marketable cuttings (79-80% - a mean for 3 years of experiments) was obtained when cuttings were kept for 3 weeks in a heap or in moist sand and next stored at 0oC. Longer keeping of cuttings in a heap or in sand followed by storage in elevated temperature (5oC) led to increased internal blackening, assessed on longitudinal and cross-section of root.
Out of two types of horseradish, compared in the trial, the cuttings obtained from a white type showed a greater tendency to blackening then the cuttings from a creamy type.


keywords:horseradish root cuttings, quality, temperature, pre-cooling, storage

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