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Yield evaluation of some Chinese cabbage cultivars in spring and autumn cultivation

Jan Krężel, Eugeniusz Kołota

Department of Horticulture
University of Agriculture in Wrocław
Rozbrat 7, 50-334 Wrocław, Poland
e-mail: krezel@ozi.ar.wroc.pl

In 1999-2001 two field experiments were carried out to estimate the yield and nutritive value of the following Chinese cabbage cultivars planted on 17-23 of April and in the middle of August: ‘Optiko’, ‘Manoko’, ‘Nekita’, ‘Nerva’, ‘Elliot’, ‘Asten’, ‘Spectrum’, and ‘Sapporo’. On average the highest marketable yield in spring was produced by ‘Elliot’ (66.17 t ha-1) followed by ‘Sapporo’ and ‘Optiko’ and in the autumn season ‘Nerva’ (72.46 t ha-1) and ‘Elliot’. Plants harvested in spring showed a tendency to bolt, especially ‘Nerva’ and ‘Spectrum’. The most resistant to bolting appeared to be ‘Asten’ and ‘Optiko’. Content of total sugar and vitamin C in Chinese cabbage heads was greater in the spring term cultivation, while during autumn there was a higher accumulation of nitrates.

Krężel J., Kołota E., 2003. Yield evaluation of some Chinese cabbage cultivars in spring and autumn cultivation. Folia Horticulturae 15/1: 11-18.