Table 2 Chemicals and post-anthesis severe water deficit effect on activities of SuSas, AGPase, SSSase in superior (S) and inferior (I) grains of wheat.

From: Involvement of ethylene and polyamines biosynthesis and abdominal phloem tissues characters of wheat caryopsis during grain filling under stress conditions

Treatment

 

14 DPA

21 DPA

SuSase (mg sucrose g−1FW min−1)

AGPase (mol g−1 FW min−1)

SSSase (mol g−1 FW min−1)

SuSase (mg sucrose g−1FW min−1)

AGPase (mol g−1 FW min−1)

SSSase (mol g−1 FW min−1)

S

I

S

I

S

I

S

I

S

I

S

I

WW

Control

10.6 ± 0.59ab

9.2 ± 1.24b

26.2 ± 0.92c

16.7 ± 0.28b

23.7 ± 0.41ab

11.8 ± 0.79b

10.7 ± 0.14bc

8.3 ± 0.58bc

16.7 ± 0.8d

11.9 ± 0.9d

18.6 ± 0.22ab

6.1 ± 0.6bc

 

Spd

12.5 ± 0.36ab

6.4 ± 0.05c

34.4 ± 1.8ab

23.37 ± 0.19ab

17.3 ± 0.25d

14.3 ± 0.7ab

13.5 ± 0.67b

8.4 ± 1.58bc

23.3 ± 1.3c

18.9 ± 0.52ab

19.7 ± 0.17a

8.3 ± 0.45ab

 

AVG

11.5 ± 0.21ab

7.9 ± 0.41bc

28.1 ± 1.7bc

31.1 ± 1.1a

19.5 ± 0.64 cd

13.7 ± 0.36ab

18.5 ± 0.54a

13.9 ± 0.49a

31.1 ± 2.2a

15.2 ± 0.71bc

17.3 ± 0.29b

9.1 ± 0.3a

SD

Control

7.5 ± 0.2b

6.6 ± 0.57c

23.3 ± 0.4c

16.3 ± 0.56b

20.9 ± 1.04bc

5.8 ± 0.11c

7.1 ± 0.1c

4.6 ± 0.42c

16.3 ± 0.19d

8.7 ± 0.99e

16.3 ± 0.86bc

2.2 ± 0.18d

 

Spd

14.9 ± 0.47ab

13.3 ± 0.47a

36.8 ± 1.5a

32.8 ± 0.32a

25.4 ± 1.25a

12.7 ± 0.87b

11.7 ± 1.13b

4.9 ± 0.24c

26.9 ± 0.35b

18.22 ± 0.25a

20.7 ± 0.09a

3.35 ± 0.55 cd

 

AVG

16.3 ± 0.21a

9.9 ± 0.34b

28.3 ± 0.39bc

26.9 ± 0.12a

18.1 ± 0.12 cd

16.1 ± 1.22a

18.0 ± 1.21a

12.1 ± 1.26ab

32.77 ± 0.62a

12.8 ± 0.19 cd

14.1 ± 0.08bc

7.6 ± 0.29ab

P-value

Water treatment (W)

0.3096

0.0002

0.9531

0.3617

0.0402

0.0069

0.0183

0.0013

0.0149

0.0116

0.0036

0.0001

 

Chemical treatment (C)

0.0184

0.005

0.0001

0.0002

0.0014

0.0001

0.0001

0.0001

0.0001

0.0001

0.0001

0.0001

 

W × C

0.0796

0.0001

0.2469

0.0206

0.0001

0.0003

0.2197

0.4898

0.0453

0.006

0.004

0.0575

  1. Means (n = 3) within a column with the same letter are not significantly different at P < 0.05. WW, well-watered; SD, severe water deficit; AVG, Aminoethoxyvinylglycine; Spd, Spermidine;
  2. S, superior grains; I, inferior grains.
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