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Plant dry matter and shoot/root ratio of (A) sunn and (B) wild-type plants at the end of the P-depletion experiment. +P stands for sufficient P supply and −P for a three-week P-depletion treatment. Data are means of six replicates ± SE. Lower case letters indicate a significant difference between treatments (t-test, p < 0.05, n = 6). n.s., not significant.
