Figure 6.
Composition of shoot phloem sap exudate (in EDTA solution) in darkness: sugars (a), amino acids (b) and organic acids (c). Results are expressed in exudation rate in nmol shoot−1 h−1. Absolute quantitation in moles was achieved by HLPC-conductimetry (sugars) or GC-MS (other metabolites). Abbreviations: RFS, raffinose-family sugars (raffinose, verbascose, stachyose); nd, not detected. Symbols (*, #) stand for statistical significance (Student-Welsh) between control (ctrl) and waterlogging (WL). Mean ± SE (n = 4).