Table 1 Effect of different concentrations of different types of amino acids under salt stress on growth indices of maize plant.

From: Effect of exogenously applied amino acids on photosynthetic pigments, metabolites and enzymatic antioxidants in Zea mays L. subjected to salt stress

Conditions

Treatments (ppm)

Shoot length (cm)

Rootlength (cm)

Shoot fresh weight (g)

Shoot dry weight (g)

Root fresh weight

(g)

Root dry weight (g)

Number of leaves

(n)

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Met

Tryp

GB

Lys

Control (0 mM)

0

26.7kl

26.7kl

26.4kl

26.4kl

16.52jkl

16.06kl

16.43jkl

17.43ijk

0.54klm

0.52k-n

0.77g-k

0.78g-k

0.12b-e

0.13b-e

0.11c-e

0.13b-e

0.24g-k

0.22h-k

0.25f.-h

0.29d-k

0.06g-l

0.06f.-k

0.05g-m

0.06g-l

3g-i

3g-j

3g-j

3g-j

25

33.6e

35.5cd

29.25hij

34.75de

18.97fgh

19.48efg

21.84cd

19.70efg

0.61j-m

1.30b-f

1.26b-f

1.34b-f

0.14a-e

0.14a-e

0.13b-e

0.13b-e

0.25e-k

0.38b-j

0.38b-j

0.47a-g

0.08d-g

0.11a-c

0.06f.-k

0.08d-g

3d-g

4a-e

3gh

4a-d

75

35.62cd

39.3b

30.98fg

36.28c

19.35fg

21.62cd

23.67ab

20.11ef

1.12d-g

1.34b-f

1.23c-f

1.60c-f

0.13b-e

0.11c-e

0.15a-e

0.17a-c

0.30d-k

0.48a-e

0.46a-g

0.58ab

0.11a-d

0.12a-c

0.07f.-i

0.12abc

3a

4ab

4e-g

4ab

100

38.5b

41.03a

31.11f.

41.63a

20.86de

23.00bc

24.88a

21.73cd

1.56a-c

1.65ab

1.46a-d

1.78a

0.16a-d

0.13b-e

0.23a

0.20ab

0.35c-k

0.52a-d

0.54a-c

0.64a

0.12ab

0.13ab

0.08d-g

0.13ab

4abc

4a

3d-g

4a

Saline stress (120 mM)

0

20.8p

20.3p

19.54p

20.99p

12.01p

9.26q

11.87p

12.97nop

0.35lm

0.34m

0.43k-m

0.48k-m

0.07e

0.07e

0.08c-e

0.08de

0.14k

0.11k

0.12k

0.48a-f

0.03m

0.05h-m

0.04lm

0.05i-m

2k

2g-j

2i-k

2jk

25

26.1l-n

26.5kl

24.85mn

24.67n

13.76no

12.79op

20.34ef

14.30mn

0.25m

0.46k-m

0.96f.-j

0.66h-m

0.07e

0.09c-e

0.09c-e

0.14a-e

0.18i-k

0.34c-k

0.16jk

0.24g-k

0.04k-m

0.07f.-i

0.04j-m

0.07e-h

3d-g

3d-g

3i-k

2d-g

75

27.8jk

28.73ij

29.52ghi

26.24lm

15.76lm

14.21no

19.37efg

16.60jkl

0.43k-m

0.65i-m

1.06d-h

0.76g-l

0.09c-e

0.12b-e

0.10c-e

0.15a-e

0.24f.-k

0.43a-h

0.38b1-j

0.40a-i

0.07f.-j

0.10b-e

0.05h-m

0.08d-g

3c-g

3fg

3fg

3b-g

100

30.8fg

30.33fgh

22.72o

33.84e

17.60hij

16.57jkl

20.84de

18.46ghi

0.79g-k

1.03e-i

1.23c-f

1.41a-e

0.14b-e

0.16a-d

0.17a-c

0.15a-e

0.32c-k

0.45a-h

0.47a-g

0.45a-g

0.09c-f

0.12ab

0.05h-m

0.13ab

4a

4a-f

3fg

3b-g

ANOVA (F Value)

Application

***

***

***

***

***

***

***

Treatments

***

***

***

***

***

***

***

Conditions

***

***

***

***

***

***

***

Applic* Treatm*Cond

***

***

***

*

**

**

***

  1. Each value is a mean of four replicates; values sharing different alphabetic letters indicate significant differences (P ≤ 0.05) among treatments; *, ** and *** indicate significance at P ≤ 0.05, P ≤ 0.01 and P ≤ 0.001, respectively; ns indicates non-significant differences.
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