Table 4: The effect of storage temperature on the germination characteristics of Calluna vulgaris seeds under a photoperiod of 8 h and a temperature regime of 10°C. Mean values ± standard deviations. In each column, groups that showed significant differences ( ) are indicated with different letters.

Storage period and temperature Number of seedsDays to first radicle emergenceMean time of germination
Percent germination
(at day 112)

270 days at 4°C4 × 10011 ± 2.5a34 ± 5.6a71 ± 7.9a
270 days at room temperature4 × 10012 ± 3.0a37 ± 2.2a41 ± 16.3b