Desiccation tolerance, water, Suc, and raffinose contents of wheat embryos of different ages in planta. A, Desiccation tolerance (DT; percent germination after desiccation to approximately 7% water content) (♦) and water content (WC; fresh weight [FW] basis) (▪). B, Sugar contents (raffinose, ♦; Suc, ▪) and raffinose-to-Suc mass ratio (R:S, •). All values are means ± se of four to six samples.