Table 3 Effect of different sources and doses of gamma rays on morphological traits, pigment traits, protein, proline contents, and antioxidant enzymes activity of maize hybrids triple white (Giza 321) plants.

From: Molecular, biophysical, and biochemical studies on irradiated Zea mays seeds using various sources of gamma rays for dosimetrical applications

Treatments

Shoot lengths (cm)

Root lengths (cm)

F.W. of shoot (g)

Chlorophyll a

Chlorophyll b

Chlorophyll a + b

Carotenoids

Total protein mg/g dry weight

Total proline mg/g dry weight

Peroxidase (unit/g. F. wt./hour)

Polyphenol oxidase (unit/g. F. wt./hour)

Control

57.30 ± 3.52a

8.90 ± 1.21ab

8.14 ± 1.43a

23.55 ± 1.21a

19.37 ± 1.21a

42.92 ± 1.25a

0.02 ± 0.01d

6.76 ± 0.05d

0.99 ± 0.03d

15 ± 0.59d

4.80 ± 0.76d

10 Co

35.80 ± 3.43c

6.60 ± 0.51b

2.92 ± 0.43c

19.34 ± 2.02b

12.54 ± 2.21bc

31.87 ± 2.01c

2.11 ± 0.02c

7.66 ± 0.04c

1.60 ± 0.03c

22 ± 0.55bc

8.60 ± 0.59c

20 Co

48.25 ± 3.17a

8.33 ± 0.55ab

6.31 ± 1.06a

22.89 ± 1.04a

14.98 ± 1.32b

37.87 ± 1.20b

1.94 ± 0.12c

8.26 ± 0.04b

2.05 ± 0.02a

28 ± 0.59b

13.20 ± 0.14b

50 Co

41.60 ± 3.90bc

7.60 ± 1.03ab

4.20 ± 0.65bc

16.79 ± 1.56bc

11.54 ± 2.12c

28.33 ± 2.21cd

3.52 ± 0.02a

7.96 ± 0.04b

1.55 ± 0.04a

35 ± 0.38a

16.60 ± 0.12a

10 Cs

46.20 ± 2.35a

12.10 ± 1.63a

5.28 ± 0.47abc

12.79 ± 1.32d

9.80 ± 1.02d

22.59 ± 2.36d

3.44 ± 0.032a

7.39 ± 0.04c

1.38 ± 0.03c

18 ± 0.26d

6.00 ± 1.48d

20 Cs

40.83 ± 1.44bc

8.16 ± 1.08ab

3.53 ± 0.60c

12.69 ± 2.32d

8. 80 ± 2.21d

21.49 ± 2.36d

3.47 ± 0.21a

8.76 ± 0.04a

2.55 ± 0.03b

22 ± 0.89bc

8.40 ± 0.48c

50 Cs

46.80 ± 3.84a

9.60 ± 1.08ab

4.94 ± 0.51abc

14.87 ± 2.21c

8.78 ± 0.65d

23.65 ± 1.65d

3.36 ± 0.14a

7.08 ± 0.04bc

1.70 ± 0.03b

25 ± 0.71b

7.20 ± 0.59c

HSD at 5%

12.36

4.01

3.34

3.36

2.01

4.34

0.65

0.45

0.51

4.34

2.65

  1. Data represents means ± standard error (n = 3). Different uppercase letters in the same species within a column indicate significant differences (P ≤ 0.05) by Tukey’s test (HSD).