Table 2 Photosynthetic rate (A; µmol m^− 2 s^− 1), stomatal conductance (gs; mmol H₂O m^− 2 s^− 1), transpiration rate (E; mmol m^− 2 s^− 1), intercellular CO₂ concentration (Ci; µmol CO₂ mol^− 1 air), chlorophyll a (Chl a; mg g^− 1), chlorophyll b (Chl b; mg g^− 1), total chlorophyll (Chl a + b; mg g^− 1), and carotenoid contents (Car; mg g^− 1), of Jimian169 and DES926 under LP + DS (0.01 mM KH₂PO₄ + 10%PEG), LP + CK (0.01 mM KH₂PO₄ + 0%PEG), NP + DS (1 mM KH₂PO₄ + 10%PEG), NP + CK (1 mM KH₂PO₄ + 0%PEG).

DES926

LP + DS

3.98 e

0.23 f

2.45 c

329

3.90 f

0.91 f

4.81 f

2.10 d

LP + CK

6.76 d

0.26 e

2.53 c

307

4.16 ef

1.06 e

5.22 ef

2.20 bc

NP + DS

7.67 c

0.30 c

3.73 b

294

5.35 cd

1.35 d

6.69 c

2.17 c

NP + CK

9.22 b

0.35 b

3.81 b

236

6.94 b

1.80 b

8.74 b

2.27 a

Jimian169

LP + DS

6.03 d

0.26 ed

3.76 b

301

4.61 ef

1.00 e

5.61 de

2.13 d

LP + CK

7.65 c

0.28 cd

3.84 b

273

4.88 de

1.10 e

5.98 d

2.23 b

NP + DS

8.88 b

0.33 b

4.71 a

259

5.91 c

1.52 c

7.43 c

2.19 bc

NP + CK

10.46 a

0.37 a

4.79 a

212

8.32 a

2.19 a

10.50 a

2.28 a

Genotypes (G)

***

***

***

***

***

***

***

***

Treatments (T)

***

***

***

***

***

***

***

*

G x T

ns

ns

ns

ns

ns

***

ns

ns