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Fig. 5. Initial (i) and final (f) distribution of 35S acquired by plants over five pulse dates during reproductive growth of soybean. Individual data points represent the fraction of the whole plant 35S by organ. Open symbols represent the fraction of the whole plant 35S content in seeds, pods, and leaves, immediately after a 10-h pulse of 35SO4 by date of pulse administration. Closed symbols represent the distribution of plant 35S in seeds and leaves at maturity, relative to their date of 35S acquisition. Values represent portion of the whole plants' 35S content in leaves, pods, and seeds, and were means ± SE (n = 4 for all pulses except that at DAI 119 [n = 2]).
