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Frequency distribution of 145 wheat accessions in the 2007 experiment and 91 accessions in the 2008 experiment, for grain concentrations of the following nutrients: (A) protein, (B) zinc, (C) iron, (D) copper, (E) manganese, (F) calcium, (G) magnesium, (H) potassium, (I) phosphorus and (J) sulphur. The domesticated wheat lines are marked in grey. Arrows indicate mean values of wild emmer (W) and domesticated (D) wheat.
