Table 6 Effects of foliar α-oxoglutarate and nitrogen on GDH activity under drought stress (µmol h−1 g−1 FW).

From: Foliar application of alpha-ketoglutarate plus nitrogen improves drought resistance in soybean (Glycine max L. Merr.)

Treatment

S1 stage

S2 stage

S3 stage

Hefeng51

Hefeng43

Hefeng51

Hefeng43

Hefeng51

Hefeng43

DS1

19.26b

15.96b

18.18b

13.18b

16.95a

11.05a

DS2

19.05b

16.01b

18.21b

13.21b

16.91a

11.11a

DS3

20.87a

16.92a

19.25a

14.25a

17.06a

11.26a

CK1

16.23c

13.65c

15.02c

11.92c

13.15b

9.15b

CK2

11.21d

9.18d

11.12d

9.12d

11.31c

9.07b

Analysis of variance (ANOVA)

Treatment (T)

***

***

**

***

**

*

Cultivar (C)

**

***

**

C × T

**

**

*

  1. Means with same letter within columns are not significantly different (P < 0.05) using LSD test.
  2. ***, **, *Significance at 0.001, 0.01, and 0.05, respectively.