Table 8 Photosynthetic features of different ploidy

Chlorophyll content (SPAD value)

30.10 ± 0.53

34.40 ± 0.55

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Nitrogen content (mg·g⁻¹)

12.17 ± 0.14

13.57 ± 0.18

^*

Net photosynthetic rate (μmol·m⁻²·s⁻¹)

8.17 ± 0.92

9.61 ± 0.83

^***

Stomatal conductance (mol·H₂Om⁻²·s⁻¹)

0.10 ± 0.02

0.13 ± 0.02

^***

Intercellular CO₂ concentration (μl·L⁻¹)

268.42 ± 16.10

287.87 ± 9.79

^***

Transpiration rate (mmol·m⁻²·s⁻¹)

2.10 ± 0.35

2.78 ± 0.30

^***