Table 3.
Treatments (mg L−1) | Plant height (cm) |
||||
---|---|---|---|---|---|
I | II | III | IV | ||
Control | 0 | 15.8 ± 0.2 | 51.0 ± 1.0 | 66.1 ± 0.3 | 80.0 ± 1.0 |
Tyrosine | 50 | 18.7 ± 2.1 | 57.7 ± 2.1 | 67.0 ± 0.5 | 82.0 ± 1.0 |
100 | 20.0 ± 2.0 | 59.3 ± 1.5 | 69.3 ± 2.1 | 90.7 ± 1.5 | |
200 | 24.7 ± 1.5 | 65.7 ± 1.5 | 84.0 ± 1.0 | 98.0 ± 1.7 | |
Phenylalanine | 50 | 20.0 ± 1.0 | 60.3 ± 1.5 | 69.0 ± 1.0 | 88.7 ± 1.5 |
100 | 23.0 ± 0.5 | 62.0 ± 2.0 | 76.7 ± 1.2 | 92.3 ± 2.5 | |
200 | 25.0 ± 1.0 | 68.7 ± 1.5 | 89.0 ± 1.0 | 98.7 ± 1.5 | |
Benzoic acid | 5 | 27.1 ± 2.6 | 75.3 ± 1.5 | 80.0 ± 1.0 | 103.3 ± 1.5 |
10 | 29.7 ± 2.1 | 80.0 ± 1.0 | 93.3 ± 1.2 | 112.7 ± 2.1 | |
20 | 33.8 ± 4.1 | 91.7 ± 1.5 | 104.3 ± 1.5 | 117.7 ± 1.5 | |
Tarns-cinnamic acid | 5 | 22.5 ± 2.8 | 71.3 ± 1.5 | 79.3 ± 2.1 | 100.1 ± 1.0 |
10 | 23.2 ± 1.9 | 71.7 ± 1.5 | 87.3 ± 2.1 | 108.3 ± 1.5 | |
20 | 26.6 ± 0.7 | 80.3 ± 2.5 | 96.7 ± 1.5 | 113.7 ± 1.5 | |
Salicylic acid | 5 | 20.4 ± 0.9 | 70.0 ± 2.0 | 74.3 ± 0.6 | 89.7 ± 1.5 |
10 | 21.5 ± 3.5 | 71.3 ± 2.1 | 81.3 ± 1.5 | 94.7 ± 2.5 | |
20 | 25.2 ± 1.4 | 74.3 ± 2.1 | 85.3 ± 0.6 | 99.0 ± 1.0 | |
LSD at | |||||
0.05 | 2.8 | 2.3 | 1.8 | 2.1 | |
0.01 | 3.9 | 3.3 | 2.5 | 3.0 |