Initial seed water uptake, permitting renewed metabolism. Hydration does not prove seed viability or imply the idealized hydraulic law for capillary imbibition.[ref]
Seed dormancy and the control of germination by William E. Finch-Savage and Gerhard Leubner-Metzger. Seed dormancy and the control of germination, §II.1, p. 502: initial uptake and subsequent embryo expansion
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