As vegetables they deliver leaves, flowers, stems and roots that are used either fresh or in processed forms. This book covers the Occidental crops derived from B. oleracea (cole or cabbage group) and Oriental types from B. rapa (Chinese cabbage and its relatives). Both groups are of immense importance for human nutrition, containing vital vitamins and cancer preventing substances.
^ (2012). Vegetable Brassicas and Related CrucifersISBN 9780851993959 (revised Nov 2013)
^ (2012). Vegetable brassicas and related crucifers, CABI. ISBN 9780851993959 (revised Apr 2012)
^G.R. Dixon, M. H. DicksonCrop Production Science in Horticulture: Vegetable Brassicas and Related Crucifers No. 14 by M. H. Dickson and G. R. Dixon (2006, Paperback)ISBN 9780851993959 (revised May 2016)