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


THE EFFECT OF MATURITY STAGE AT HARVEST
ON STORAGE ABILITY OF SOME CHINESE CABBAGE
 (BRASSICA RAPA L. VAR. PEKINENSIS (LOUR.) OLSSON) CULTIVARS


Maria GRZEGORZEWSKA, Ewa BADEŁEK, Ryszard KOSSON
Research Institute of Vegetable Crops, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland


Summary

In  experiments conducted at the Research Institute of Vegetable Crops during 1999-2003 on storability of Chinese cabbage cultivars, Bilko F1 had the best storability. After storage at 0 and 2oC, the highest percentage of marketable material and the lowest percentage of chilling injury were noted for cultivar Bilko F1. Storability of Morillo Storido F1 cultivar was slightly worse and cultivars Parkin F1 and Brocken F1 were the worst.
There were differences in storability of cabbage harvested at various dates. The best storability was for cabbage harvested at the second date i.e. when the heads were compact and the plants had shown no symptoms of senescence.
Differences in cabbage storability in subsequent years resulted from variation in weather conditions during growth and ripening of heads. The cabbage harvested immediately after a period of warm weather (mean temperature >15oC) was very susceptible to browning of inner midribs during storage at 0oC. Heads collected after a colder period (mean temperature 6-10oC) were more resistant to browning of inner midribs and had better storability.


keywords:Chinese cabbage, cultivar, harvest date, storability

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