Table 2 Effect of temperature, drought, and GSH on root parameters of wheat seedling.

From: Exogenous glutathione protected wheat seedling from high temperature and water deficit damages

Temperature (T) °C

Root length

Project area

Surface area

Root diameter

Root volume

Tips

Forks

Root fresh weight

Root dry weight

(cm)

(cm2)

(cm2)

(mm)

(mm3)

(mg)

(mg)

25

138.01a

9.41a

21.78a

0.845a

0.447a

713.68b

884.94a

261.64a

18.58a

33

97.34b

5.27b

10.51b

0.681b

0.227b

799.95a

499.95b

128.71b

13.36b

Water regime (W)

Wn

105.07b

6.34b

14.51b

0.935a

0.287b

613.93b

567.58b

212.23a

17.77a

Wd

130.28a

8.34a

17.78a

0.591b

0.386a

899.70a

817.34a

178.13b

14.17b

T × W

25 × Wn

119.70ab

7.79b

18.65a

0.990 ns

0.374ab

537.11b

732.73 ns

269.98a

20.56 ns

25 × Wd

156.33a

11.03a

24.90a

0.701

0.520a

890.25a

1037.16

253.30a

16.61

33 × Wn

90.44b

4.89c

10.36b

0.879

0.201b

690.75ab

402.43

154.48b

14.99

33 × Wd

104.23b

5.65bc

10.66b

0.482

0.253ab

909.15a

597.48

102.95b

11.73

GSH (mM)

0.0

112.92 ns

6.05b

14.26b

0.525b

0.267b

676.08b

670.82 ns

169.43b

14.83 ns

0.5

122.18

7.95a

17.45a

0.844a

0.369a

758.53a

699.46

209.68a

16.77

1.0

118.69

7.77a

16.73a

0.844a

0.360a

791.60a

649.18

203.40a

15.52

2.0

116.91

7.59a

16.14a

0.839a

0.351a

801.05a

750.33

199.87a

16.76

  1. Wn: Normal watering; Wd: drought. The means followed by different letters in the same column are statistically different at the 0.05 probability level. ns is not statistically significant between means in the same column.