4Gortner R A Jr. Outline of Biochemistry [ M ]. 3rd ed. New York : Wiley, 1949 : 82 287.
5Michel B E, Kaufmann M R. The osmotic potential of polyethylene glycol 6000 [ J ]. Plant Physiology, 1973,51:9142916.
6Zheng GH Gao YP Wilen RW Gusta LV, Canola seed germination and seedling emergence from pre-hydrated and re - dried seeds subjected to salt and water stresses at low temperatures, Annals of applied biology, 1998 Vol. 132, No. 2,339 - 348.
