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Table 2 Photosynthetic rate and respiration rate of the dark green (DG) and light green (LG) cucumber

From: Photosynthetic contribution and characteristics of cucumber stems and petioles

Plant organ

Net photosynthetic rate

(μmol−2 s−1)

Respiratory rate

(μmol− 2 s− 1)

Total photosynthetic rate

(μmol− 2 s− 1)

DG Leaf blade

18.7 ± 0.26a

−2.1 ± 0.29b

20.8

LG Leaf blade

18.6 ± 0.12a

−2.3 ± 0.03b

20.9

DG Stem

−0.2 ± 0.03c

−2.0 ± 0.14b

1.7

LG Stem

−0.4 ± 0.04d

−2.1 ± 0.08b

1.7

DG Petiole

0.4 ± 0.07b

−1.1 ± 0.13a

1.5

LG Petiole

0.2 ± 0.03bc

−1.4 ± 0.13a

1.6

  1. The data represents mean values ± SE (n = 3) and were analysed according to Duncan’s multiple range test. Different letters indicate significant differences at P < 0.05