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Polyphyllin (PPI, PPII, and PPVII) content in accessions MD, N1, LC, and SL after five years’ growth: polyphyllin content in rhizomes (A) and adventitious roots (B) and total polyphyllin content in rhizomes (C) and in adventitious roots (D). dw, dry weight. Every value is the mean ± SD (n = 5) and values with different letters indicate significant differences (p ≤ 0.05) between accessions.
