Seasonal variations in vitamin C and mineral contents and some yield and quality parameters in komatsuna (Brassica rapa var. pervidis)

Author: Funda Eryilmaz Acikgoz 1* and Sureyya Altintas 2
Received 15 January 2011, accepted 9 April 2011.

The aim of this study was to determine the changes in yield, growth and quality of komatsuna in successive growing seasons. Experiments were carried out in a PE covered cold greenhouse in late autumn-early winter and late winter-early spring growing period during 2009-2010 in Corlu, Turkey (41°11′ N, 27°49′ E). Results showed that vitamin C content of plants grown in late winter-early spring and late autumn-early winter growing period were 61.70 and 42.35 mg/100 g, respectively. While N (4.35%), P (0.51%), Cu (8.35 ppm), Fe (886.5 ppm) and Zn (48.15 ppm) values were higher in plants grown in late autumn-early winter in comparison with plants grown in late winter-early spring, K (4.70%), Ca (2.30%), Mg (0.42%), S (0.72%) and Mn (61.85 ppm) values of plants were higher in late winter-early spring growing period. All the quality and yield characteristics investigated in the research were also affected by season. Furthermore yield obtained in late winter-early spring growing season was about 3.79 times higher than those in late autumn-early winter growing season.

Journal: Food, Agriculture and Environment (JFAE)
Online ISSN: 1459-0263Year: 2011, Vol. 9, Issue 2, pages 289-291. Publisher: WFL.

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