|
Stage
|
Formula
|
Plant height (cm)
|
Dry weight of stems (g)
|
Dry weight of leaves (g)
|
Leaf area (cm2)
|
|---|
|
V1
|
Control
|
8.90 ± 0.16
|
0.06 ± 0.02
|
0.03 ± 0.00
|
113.60 ± 9.85
|
|
CoVN-1
|
9.83 ± 0.36*
|
0.07 ± 0.02
|
0.04 ± 0.00*
|
122.80 ± 16.30
|
|
CoVN-2
|
11.83 ± 0.37*
|
0.07 ± 0.05
|
0.04 ± 0.00*
|
114.90 ± 15.70
|
|
CoUSA-1
|
10.16 ± 0.6*
|
0.07 ± 0.01
|
0.03 ± 0.00*
|
116.40 ± 11.70
|
|
CoUSA-2
|
11.50 ± 0.25*
|
0.08 ± 0.03
|
0.04 ± 0.00*
|
114.50 ± 13.60
|
|
V3
|
Control
|
24.50 ± 0.98
|
0.29 ± 0.08
|
0.45 ± 0.11
|
205.90 ± 27.90
|
|
CoVN-1
|
27.16 ± 1.16*
|
0.53 ± 0.10*
|
0.50 + 0.08
|
257.60 ± 18.70*
|
|
CoVN-2
|
26.50 ± 1.29*
|
0.36 ± 0.08*
|
0.45 ± 0.12
|
242.50 ± 35.10
|
|
CoUSA-1
|
27.33 ± 1.15*
|
0.50 ± 0.11*
|
0.47 ± 0.05
|
277.00 ± 28.20*
|
|
CoUSA-2
|
28.50 ± 1.78*
|
0.54 ± 0.12*
|
0.51 ± 0.09
|
250.80 ± 15.70
|
|
V5
|
Control
|
30.16 ± 0.40
|
2.11 ± 0.12
|
0.57 ± 0.07
|
307.50 ± 21.50
|
|
CoVN-1
|
35.67 ± 1.06 *
|
2.61 ± 0.19*
|
0.72 ± 0.06*
|
350.90 ± 21.10*
|
|
CoVN-2
|
31.33 ± 0.25*
|
2.42 ± 0.13*
|
0.62 ± 0.08*
|
344.20 ± 22.50*
|
|
CoUSA-1
|
32.00 ± 0.86*
|
2.79 ± 0.18*
|
0.78 ± 0.09*
|
362.80 ± 18.70*
|
|
CoUSA-2
|
31.50 ± 0.52*
|
2.41 ± 0.17*
|
0.69 ± 0.05*
|
339.70 ± 20.10*
|
|
R1
|
Control
|
34.20 ± 2.91
|
2.77 ± 0.31
|
0.81 ± 0.21
|
377.40 ± 22.10
|
|
CoVN-1
|
41.30 ± 3.01*
|
3.38 ± 0.32*
|
1.12 ± 0.24
|
400.60 ± 18.20
|
|
CoVN-2
|
35.70 ± 1.51
|
3.08 ± 0.24
|
0.88 ± 0.19
|
394.40 ± 23.80
|
|
CoUSA-1
|
38.30 ± 2.81
|
3.28 ± 0.28
|
1.06 ± 0.13
|
411.10 ± 15.70
|
|
CoUSA-2
|
36.40 ± 1.82
|
3.18 ± 0.41
|
0.86 ± 0.12
|
388.90 ± 12.10
|
- Values are means ± standard deviation, *Indicate significant difference at p < 0.05, respectively, between treatments and control; V1, V3, V5 and R1 were first, third, fifth trifoliate and begin at flowering stages, respectively; control - no NZVC treatment, using distilled water; CoVN - 1, 2 and CoUSA - 1, 2: Seeds were treated with 0.17 and 16.7 mg/kg seeds of Vietnamese and USA NZVCs, respectively
