Table 7.
Treatments (mg L−1) | Dry weight (g plant−1) |
||||
---|---|---|---|---|---|
I | II | III | IV | ||
Control | 0 | 0.3 ± 0.02 | 8.1 ± 0.02 | 15.6 ± 0.1 | 25.3 ± 0.2 |
Tyrosine | 50 | 0.3 ± 0.02 | 9.6 ± 0.4 | 19.7 ± 0.1 | 28.8 ± 0.2 |
100 | 0.4 ± 0.02 | 11.7 ± 0.03 | 25.1 ± 0.1 | 40.1 ± 0.04 | |
200 | 0.6 ± 0.02 | 12.4 ± 0.02 | 29.3 ± 0.1 | 47.6 ± 0.2 | |
Phenylalanine | 50 | 0.3 ± 0.03 | 10.2 ± 0.2 | 21.7 ± 0.2 | 35.1 ± 0.1 |
100 | 0.5 ± 0.02 | 12.8 ± 0.1 | 28.1 ± 0.04 | 41.7 ± 0.7 | |
200 | 0.6 ± 0.02 | 13.8 ± 0.2 | 30.2 ± 0.1 | 45.5 ± 0.3 | |
Benzoic acid | 5 | 0.6 ± 0.02 | 15.3 ± 1.0 | 31.7 ± 0.8 | 47.2 ± 0.5 |
10 | 0.7 ± 0.01 | 15.5 ± 0.3 | 33.0 ± 0.3 | 48.5 ± 0.2 | |
20 | 0.8 ± 0.02 | 16.6 ± 0.1 | 37.6 ± 0.2 | 52.3 ± 0.1 | |
Tarns-cinnamic acid | 5 | 0.3 ± 0.02 | 12.5 ± 0.1 | 25.1 ± 0.4 | 39.9 ± 0.1 |
10 | 0.4 ± 0.02 | 13.6 ± 0.1 | 28.2 ± 0.2 | 43.6 ± 0.2 | |
20 | 0.6 ± 0.03 | 16.4 ± 0.03 | 35.0 ± 0.5 | 50.2 ± 0.2 | |
Salicylic acid | 5 | 0.3 ± 0.02 | 11.4 ± 0.3 | 25.6 ± 0.2 | 37.3 ± 0.2 |
10 | 0.5 ± 0.02 | 13.2 ± 0.3 | 28.1 ± 0.1 | 44.5 ± 0.1 | |
20 | 0.5 ± 0.02 | 14.5 ± 0.1 | 31.4 ± 0.4 | 48.0 ± 0.2 | |
LSD at | |||||
0.05 | 0.0 | 0.3 | 0.4 | 0.4 | |
0.01 | 0.0 | 0.4 | 0.6 | 0.5 |