Table 7 Effects of foliar α-oxoglutarate and nitrogen on ammonium content under drought stress (µmol h⁻¹ g⁻¹ FW).

DS1

1.27^c

1.85^c

1.37^b

2.11^b

1.58^b

2.45^b

DS2

1.22^c

1.81^c

1.35^b

2.08^b

1.60^b

2.51^b

DS3

1.01^b

1.54^b

1.19^c

1.81^b

1.69^b

2.60^b

CK1

1.52^a

2.38^a

1.78^a

2.87^a

2.04^a

3.27^a

CK2

0.65^d

0.68^d

0.63^d

0.71^c

0.64^c

0.67^c

Analysis of variance (ANOVA)

Treatment (T)

*

**

**

***

***

***

Cultivar (C)

***

***

***

C × T

**

**

***