Table 1.
Vegetative parameters of O. majorana plants treated with ascorbic acid (AA), tryptophan (Trp) and moringa leaf extract (MLE) in two successive seasons.
| Treatments | Plant Height (cm) | Plant Diameter (cm) | Branch Number | Leaf Fresh Weight (g) | Leaf Dry Weight (g) | Leaf Area | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | |
| Control | 17.16 d* ± 1.87 |
23.16 b ± 3.95 |
21.33 b ± 0.76 | 26.00 e ± 1.39 |
95.16 b ± 8.54 |
143.50 c ± 14.23 |
29.62 e ± 1.92 |
51.86 c ± 0.23 |
11.55 b ± 4.29 |
12.42 d ± 1.01 |
0.323 f ± 0.030 |
0.453 d ± 0.063 |
| AA 100 mg/L | 20.00 ab ± 1.39 |
25.66 ab ± 2.46 | 23.58 ab ± 0.76 |
29.50 ab ± 0.25 |
150.00 a ± 15.78 |
223.00 a ± 13.61 |
35.77 abc ± 1.45 |
60.68 ab ± 6.73 |
19.11 ab ± 1.82 |
21.20 abc ± 4.83 |
0.431 becd ± 0.114 | 0.713 ab ± 0.135 |
| AA 200 mg/L | 20.66 ab ± 3.12 |
27.08 a ± 3.95 |
23.66 ab ± 2.75 |
30.41 ab ± 0.52 |
150.33 a ± 8.69 |
230.16 a ± 59.25 |
37.56 ab ± 6.29 |
64.12 a ± 2.02 |
19.41 ab ± 6.74 |
21.57 ab ± 7.14 |
0.365 ef ± 0.012 |
0.412 d ± 0.034 |
| AA 300 mg/L | 21.33 a ± 2.24 |
27.08 a ± 3.16 |
24.75 a ± 0.66 |
31.08 a ± 0.62 |
152.33 a ± 9.50 |
232.16 a ± 10.39 |
39.08 a ± 6.29 |
64.37 a ± 2.68 |
20.72 a ± 5.62 |
25.03 a ± 4.79 |
0.733 a ± 0.053 |
0.852 a ± 0.07 |
| Trp 100 mg/L | 19.58 abc ± 4.15 | 25.33 ab ± 2.50 |
22.50 ab ± 1.56 |
27.33 cde ± 0.38 |
139.83 a ± 6.00 |
214.50 ab ± 36.87 |
30.24 de ± 1.34 |
54.20 bc ± 3.25 |
11.97 b ± 4.88 |
13.42 cd ± 1.31 |
0.392 cedf ± 0.025 | 0.458 cd ± 0.051 |
| Trp 200 mg/L | 19.75 abc ± 0.66 | 25.50 ab ± 3.27 |
22.58 ab ± 0.52 |
28.66bcd ± 0.2 |
143.00 a ± 7.54 |
219.00 a ± 38.50 |
30.61 cde ± 1.88 |
54.96 bc ± 8.56 |
12.48 b ± 0.86 |
14.90 bcd ± 5.47 |
0.517 b ± 0.120 |
0.611 bc ± 0.084 |
| Trp 300 mg/L | 19.75 abc ± 2.17 | 25.50 ab ± 1.80 |
23.25 ab ± 4.02 |
28.83 bc ± 1.84 |
145.16 a ± 4.53 |
221.50 a ± 21.21 |
31.12 cde ± 3.00 |
57.09 abc ± 3.18 |
13.41 ab ± 2.55 |
15.56 bcd ± 1.06 |
0.474 cbd ± 0.036 | 0.61 bc ± 0.045 |
| MLE 2.5% | 17.91 cd ± 1.75 |
24.33 b ± 2.02 |
21.91 b ± 1.28 |
26.66 de ± 3.35 |
107.16 b ± 26.27 |
168.16 bc ± 13.32 |
32.54 bcde ± 0.85 |
58.08 abc ± 2.26 |
13.47 ab ± 7.26 |
16.93 bcd ± 5.50 |
0.385 def ± 0.006 | 0.477 cd ± 0.077 |
| MLE 5% | 18.75 bcd ± 2.61 | 24.50 ab ± 2.00 |
22.41 ab ± 1.18 |
26.75 de ± 1.14 |
136.83 a ± 17.32 |
209.16 ab ± 20.93 |
33.77 abcde ± 1.98 |
58.66 abc ± 5.03 |
15.46 ab ± 1.28 |
17.22 abcd ± 7.69 |
0.5 bc ± 0.080 |
0.741 ab ± 0.035 |
| MLE 10% | 19.66 abc ± 1.25 | 24.91 ab ± 3.18 |
22.41 ab ± 0.80 |
27.08 cde ± 0.52 |
138.16 a ± 31.60 |
213.66 ab ± 14.15 |
35.37 abcd ± 0.27 |
59.06 abc ± 3.37 |
16.39 ab ± 5.97 |
20.09 abcd ± 4.27 |
0.497 bc ± 0.0155 |
0.669 b ± 0.190 |
* No significance between means have the same letters (a–e) within the same column.