Fig. 1From: Genetic diversity and association mapping of mineral element concentrations in spinach leavesDistributions of the 14 mineral element concentrations in 292 USDA spinach germplasm accessions. The x-axis signifies the mineral concentrations and y-axis the number of spinach accessions, where the B, Co, Cu, Fe, Mn, Mo, Na, Ni, and Zn used μg/g dry weight (DW) and the Ca, K, Mg, P, and S used mg/g DWBack to article page