Morphological and nutritional parameters of Chinese mustard (Brassica juncea) in hydroponic culture
Pokluda, R.,Mendelova Zemedelska a Lesnicka Univ., Lednice (Czech Republic). Zahradnicka Fakulta
The aim of this work was to compare some morphological traits and nutritional values of 13 cultivars of Chinese mustard (Bau Sin, Cai Cai Tai, Grey Leaf Mustard, King Mustard, Late Head mustard, Mustard Spinach, Osaka Purple, Osaka Purple Leaf, Pink Stem Mustard, Red Giant, Suehlihung No. 2, Swollen Stem, Ta Tou Tsai) cultivated in hydroponics. The highest mean plant weight was found in cv. Red Giant (179 g). The biggest leaves with the length of 459 mm were formed by cv. Ta Tou Tsai. The highest cultivar was Cai Cai Tai (1,063 mm), with an abundant number of leaves (57 leaves). Cv. Osaka Purple Leaf showed the highest concentration of vitamin C (738 mg/kg); the highest carotenoids concentration (899 mg/kg) was found in cv. Swollen Stem. The mean concentration of chlorophyll a was 2,804 mg/kg; that of chlorophyll b was 1,103 mg/kg. The cultivars studied differed also in dry matter, K, Ca, Mg, Na and nitrates concentrations. Our results showed a significant effect of cultivar on most of the morphological and nutritional variables studied. In addition, Chinese mustard proved to be suitable for soilless cultivation.
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