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Simulated source–sink ratio (A, B) and remobilization (C, D) for kernel growth for the low and regular plant density groups of ZD958 with natural and restricted pollination in 2009. Source is computed as the simulated plant photosynthetic assimilation minus maintenance respiration and sink is the total growth demand of the plant. The data points with source sink–ratios between 0 and 1 were redrawn and put below the original figures of (A) and (B).
