Table 1.
The effect of green synthesized silver nanoparticles on the growth parameters of tomato plants of two varieties at vegetative and reproductive stages.
| Days after Transplantation (DAT) |
Treatments | Shoot Length (cm) | Root Length (cm) |
No. of Leaves |
Leaf Area (cm2) |
||||
|---|---|---|---|---|---|---|---|---|---|
| Nadar | Naqeeb | Nadar | Naqeeb | Nadar | Naqeeb | Nadar | Naqeeb | ||
| 55 DAT | Control | 31.58 d ± 1.816 |
30.96 c ± 1.996 |
18.67 b ± 0.749 |
16.83 d ± 1.072 |
46.67 d,
± 0.863 |
46.67 d ± 1.176 |
12.92 c ± 1.934 |
14.82 b, c ± 1.008 |
| F | 34.37 c,d ± 1.050 |
31.25 c ± 0.517 |
23.38 b ± 1.888 |
17.60 c, d ± 0.734 |
51.67 c
± 1.176 |
47.67 d ± 1.481 |
13.37 c ± 1.655 |
15.63 b ± 1.872 |
|
| 5 | 51.50 a,b ± 2.178 |
44.94 b ± 1.137 |
29.03 a ± 1.604 |
26.17 a, b ± 1.187 |
75.33 a ± 1.726 |
65.33 c ± 1.439 |
20.55 a ± 0.848 |
22.30 a ± 1.078 |
|
| 10 | 52.81 a ± 1.899 |
53.85 a ± 0.831 |
29.30 a ± 2.063 |
27.52 a ± 2.402 |
78.00 a ± 1.565 |
80.67 a ± 1.422 |
20.97 a ± 0.969 |
25.02 a ± 2.073 |
|
| 15 | 45.95 b ± 0.523 |
49.67 a,b ± 1.360 |
22.67 b ± 1.732 |
25.28 a, b ± 2.199 |
63.33 b ± 0.863 |
73.00 b ± 2.463 |
16.43 b ± 2.198 |
22.60 a ± 1.452 |
|
| 20 | 38.20 c ± 0.877 |
45.50 b ± 1.398 |
21.66 b ± 0.801 |
22.25 b, c ± 2.048 |
53.67 c ± 2.670 |
62.67 c ± 1.422 |
12.50 c ± 1.545 |
14.39 b,c ± 0.772 |
|
| 25 | 30.51 d, e ± 2.857 |
33.49 c ± 3.001 |
19.66 b ± 1.157 |
19.00 c, d ± 1.090 |
45.67 d ± 1.305 |
49.33 d ± 1.176 |
10.45 cd ± 2.292 |
13.29 b,c ± 1.789 |
|
| 50 | 25.74 e ± 2.107 |
28.54 c ± 3.160 |
19.03 b ± 0.927 |
17.03 c, d ± 0.995 |
40.67 e ± 1.422 |
47.33 d ± 1.768 |
8.30 d ± 1.539 |
10.97 c ± 0.662 |
|
| 85 DAT | Control | 38.37 e ± 2.794 |
44.80 d ± 2.268 |
26.57 d ± 1.583 |
27.77 d ± 1.669 |
65.33 d ± 2.336 |
64.67 d ± 2.336 |
27.87 d, e ± 1.293 |
29.67 d ± 0.915 |
| F | 38.17 e ± 0.919 |
47.37 d ± 2.489 |
27.20 d ± 1.740 |
28.77 d ± 1.090 |
65.67 d ± 1.766 |
67.67 d ± 2.732 |
28.13 d, e ± 2.605 |
30.87 c,d ± 1.685 |
|
| 5 | 68.43 a ± 0.998 |
76.87 a ± 2.805 |
44.17 a ± 1.848 |
49.10 a ± 2.282 |
105.00 a ± 2.084 |
111.00 a ± 2.046 |
42.87 a ± 1.358 |
46.10 a ± 0.851 |
|
| 10 | 63.80 b ± 1.695 |
72.00 a, b ± 0.980 |
45.27 a ± 2.285 |
43.57 b ± 2.045 |
103.67 a ± 2.188 |
103.00 b ± 1.529 |
39.57 a, b ± 1.435 |
44.00 a, b ± 0.834 |
|
| 15 | 56.47 c ± 1.726 |
66.90 b, c ± 1.336 |
40.57 a,b ± 2.285 |
36.77 c ± 0.865 |
94.33 b ± 1.766 |
97.33 b ± 2.966 |
35.33 b, c ± 1.076 |
42.83 b ± 2.732 |
|
| 20 | 48.13 d ± 0.932 |
63.23 c ± 1.783 |
36.20 c ± 0.746 |
35.17 c ± 1.899 |
72.67 c ± 1.203 |
88.67 c ± 1.766 |
32.47 c, d ± 3.386 |
32.67 c ± 1.074 |
|
| 25 | 40.97 e ± 1.005 |
50.97 d ± 0.711 |
33.33 d ± 0.261 |
29.00 c, d ± 1.395 |
68.33 c, d ± 1.766 |
67.33 d ± 0.883 |
25.77 e ± 2.555 |
28.43 d ± 1.665 |
|
| 50 | 33.33 f ± 1.220 |
45.33 d ± 2.514 |
27.47 d ± 2.123 |
28.13 d ± 1.339 |
57.67 e ± 1.455 |
65.67 d ± 1.455 |
24.60 e ± 1.644 |
25.77 e ± 2.167 |
|
The treatment mean for each treatment is the average of the three replicates; mean values with different lower-case letters are significantly different at p ≤ 0.05 (Duncan’s multiple range test). ± values represent standard error (SE).