Fig. 3. Apical development of Norstar winter wheat grown at 4°C under SD (8 h) and LD (20 h) photoperiods for 0, 49, and 98 d. Comparative phenological advancement to double ridge formation (LD98) is illustrated.
Fig. 3. Apical development of Norstar winter wheat grown at 4°C under SD (8 h) and LD (20 h) photoperiods for 0, 49, and 98 d. Comparative phenological advancement to double ridge formation (LD98) is illustrated.