Table 1 Light-compensation point (LCP), light-saturation point (LSP), apparent quantum yield (AQY), dark respiration rate (Rd) and light-saturated net photosynthesis rate (Pmax) of P. sepium leaves under various drought stress conditions.

From: Physiological and ecological characteristics of Periploca sepium Bunge under drought stress on shell sand in the Yellow River Delta of China

Water treatment

LSP (µmol∙m−2 ∙ s−2)

LCP (µmol∙m−2 ∙ s−2)

AQY (mol·mol−1)

Rd (µmol∙m−2 ∙ s−2)

Pmax (µmol∙m−2 ∙ s−2)

CK

1285 ± 130b

58 ± 4c

0.03 ± 0.0015a

1.64 ± 0.07a

12.76 ± 1.21a

T1

1620 ± 113a

59 ± 5c

0.029 ± 0.0014a

1.57 ± 0.06a

10.04 ± 0.54b

T2

1097 ± 85c

109 ± 4a

0.018 ± 0.0019b

1.28 ± 0.15b

7.12 ± 0.96c

T3

589 ± 137d

97 ± 3b

0.012 ± 0.0021c

0.95 ± 0.12c

1.27 ± 0.57d

  1. Note: The different lowercase letters indicate a significant difference between the groups under various water conditions (P < 0.05); the identical letters indicate no significant difference (P > 0.05). The same scheme applies below.
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