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Table 3 Concentrations of different substances in leaves of winter and summer (±SD, n = 9)

From: Traits of seasonal dimorphism associated with adaptation to cold stress in Origanum dictamnus L. (Lamiaceae)

  Winter leaves Summer leaves
Proline (μmol g−1 F.W.) 1.7 ± 0.2a 0.9 ± 0.1b
Soluble sugars (μmol g−1 F.W.) 38.5 ± 6.7a 29.3 ± 4.6b
Chlorophyll a + b (mg g−1 F.W.) 0.3 ± 0.07a 1.4 ± 0.1b
Chlorophyll a + b (mg g−1 D.W.) 2.3 ± 0.4a 4.7 ± 0.8b
  1. Means between columns with different letters are significantly different at p < 0.05.