Fig. 16. Fluorogram of heat-stable proteins synthesized in hardened and un hardened winter wheat seedlings. (1) Four days at 22 C; (2) 3 days at 22 C, followed by 1 day at 4 C; (3) 3 days at 22 C, followed by 3 days at 4 C; (4) 3 days at 22·C, followed by 7 days at 4 C; (5) 3 days at 22 C, followed by 9 days at 4 C. Molecular weights of wheat proteins are indicated on the right.