Fig. 1. Variation in the baseline photoperiod modifier (PHOTPC) as a function of daylength for a critical short day of 12.26 h and a critical long day of 16.88 h.
Fig. 1. Variation in the baseline photoperiod modifier (PHOTPC) as a function of daylength for a critical short day of 12.26 h and a critical long day of 16.88 h.