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Percentage (%) of variation between anthesis (Zadoks 65, blue) and mid-grain filling (Zadoks 75, red) for the metabolite contents, Rubisco large subunit protein, enzyme activities, and nutrient contents. Each dot is the average of four field-grown durum wheat varieties per organ (blade, sheath, peduncle, awn, glume, and lemma) and N supply (c, control; ln, low N). The different letters differ statistically (p < 0.05). The abbreviations are described in Supplementary Table 1.
