Table 5 The quality of wheat grains (germination characters and chemical constituents) yielded from control and biostimulant (1.0 g/L HLE) treated plants according to paired sample T- test

% of germination (three days)

93.33 ± 5.77

96.67 ± 5.77

3.6

.423

Coleoptile length (cm/three days)

0.93 ± 0.06

1.33 ± 0.06

43

.020

Radical length (cm/ three days)

1.43 ± 0.06

1.83 ± 0.06

28

.020

Amylase activity unit

(µg maltose / g / min)

39.18 ± 3.21

49.81 ± 1.08

27

.044

Soluble proteins (mg/g)

9.33 ± 0.33

12.80 ± 0.21

37

.002

% of Fresh gluten /g

19.92 ± 0.14

30.55 ± 0.18

53

.000

% of Dry gluten /g

6.79 ± 0.06

10.03 ± 0.04

48

.000

Soluble sugars (mg/g)

49.33 ± 2.08

60.79 ± 1.71

23

.006

Total sugars (mg/g)

310.54 ± 18.16

371.46 ± 21.84

20

.024

Insoluble sugars (mg/g)

261.21 ± 17.73

310.67 ± 23.19

19

.014

Soluble phenolics

(mg gallic acid /g)

1.59 ± 0.05

2.35 ± 0.03

48

.002

Total phenolics (mg/g)

6.48 ± 0.15

10.83 ± 0.09

67

.001

Flavonoids (µg/g)

78.48 ± 4.22

146.52 ± 6.66

87

.008

Tannins (µg/g)

380.80 ± 28.61

468.38 ± 22.31

23

.009

Terpenoids (mg/g)

13.93 ± 1.19

14.78 ± 0.49

6

.404