Mineral composition of oil-free seeds of Brassica napus, B. rapa and B. juncea as affected by location and year | Zendy

J. M. Bell | Zendy; G. Rakow | Zendy; R. K. Downey | Zendy

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Mineral composition of oil-free seeds of Brassica napus, B. rapa and B. juncea as affected by location and year

Author(s) -

J. M. Bell,

G. Rakow,

R. K. Downey

Publication year - 1999

Publication title -

canadian journal of animal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1918-1825

pISSN - 0008-3984

DOI - 10.4141/a97-116

Subject(s) - brassica , brassica rapa , cultivar , composition (language) , agronomy , mineral , chemical composition , horticulture , chemistry , biology , philosophy , linguistics , organic chemistry

Three cultivars of Brassica (Westar, Brassica napus; Tobin, B. rapa; Cutlass, B. juncea) were grown in four locations in 4 successive years, with duplicate samples taken from each treatment. Harvested seed was hexane-extracted, ground and analyzed for mineral content. The average contents (mg kg −1 ) were: Ca, 0.64; P, 1.12; Mg, 0.56%; Cu, 6.2; Zn, 46; Fe, 188; and Mn, 55. Values for Westar and Tobin were generally similar but Cutlass contained less Ca, Mg, Fe and Mn and more Cu and Zn (P < 0.01). Locations affected all mineral levels. One location produced samples lower in Ca, P, Cu and Mn but higher in Zn than the other locations (P < 0.01). Year-to-year variability was of minor consequence. Key words: Brassica napus, Brassica rapa, Brassica juncea, mineral, seed

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