Fig. 2. Changes in the germination of seeds incubated at low temperatures (A). Initial and final germination and dormancy rates of four plant species seeds (B). Seeds of four plant species were cultured in various low-temperature regimes (–5°C, –1°C, and 5°C) for different durations (1, 2, 4, 8, and 12 weeks). The initial germination rate was equal to the germination rate at low temperature, and the final germination rate was calculated by adding the initial germination rate to the germination rate obtained by transferring ungerminated seeds at low temperature to 25°C. The data are presented as the mean ± standard deviation (n = 3). The temperatures are color-coded (gray, –5°C; light green, –1°C; red, 5°C).
© J Ecol Environ
