Effect of varying tested concentrations of pesticides on biometric parameters (length and fresh weight), total soluble protein (TSP), total soluble sugar (TSS) and lycopene content in S. lycopersicum (L.) plants grown in pot soila.
| Pesticides | Concentrations used (μg mL−1) | Biological features | Total soluble protein (mg g−1) | Total soluble sugar (mg g−1 FW) | Lycopene (mg kg−1 FW) | |||
|---|---|---|---|---|---|---|---|---|
| Length/plants (cm) | Fresh weight/plants (g) | |||||||
| Roots | Shoots | Roots | Shoots | |||||
| Control | 0 | 36.7 ± 4.6 (a) | 57.8 ± 6.8 (a) | 16.4 ± 5.0 (a) | 25.6 ± 7.2 (a) | 28.4 ± 4.6 (a) | 123 ± 21 (a) | 12.0 ± 2.3 (a) |
| Diazinon | 25 | 34.2 ± 2.3 (a) | 56.0 ± 8.9 (a) | 15.2 ± 5.3 (a) | 25.3 ± 6.7 (a) | 27.0 ± 3.8 (a) | 119 ± 6.7 (b) | 10.3 ± 0.9 (b) |
| 50 | 31.5 ± 4.1 (b) | 53.4 ± 4.6 (b) | 13.2 ± 2.8 (b) | 22.4 ± 4.4 (b) | 24.8 ± 2.7 (b) | 113 ± 9.8 (c) | 9.6 ± 0.4 (c) | |
| 75 | 27.2 ± 2.1 (c) | 49.4 ± 4.1 (b) | 11.6 ± 4.0 (c) | 19.3 ± 3.7 (b) | 22.0 ± 3.5 (b) | 105 ± 5.6 (d) | 9.0 ± 1.0 (c) | |
| 100 | 22.0 ± 1.8 (d) | 42.7 ± 3.6 (d) | 9.3 ± 00 (d) | 17.3 ± 3.6 (c) | 19.3 ± 2.2 (c) | 97.4 ± 7.7 (e) | 8.3 ± 2.1 (d) | |
| 150 | 17.6 ± 0.8 (f) | 38.6 ± 2.3 (e) | 6.4 ± 2.1 (e) | 13.4 ± 2.2 (d) | 16.4 ± 4.2 (d) | 92.3 ± 4.8 (f) | 7.0 ± 0.4 (e) | |
| 200 | 11.8 ± 1.1 (g) | 32.0 ± 3.9 (f) | 4.1 ± 0.7 (f) | 9.4 ± 1.8 (e) | 13.2 ± 1.7 | 86.2 ± 7.1 (g) | 7.3 ± 0.0 (e) | |
| Mean | 24.05 | 45.35 | 9.96 | 17.8 | 20.4 | 102 | 9.08 | |
| Imidacloprid | 25 | 35.8 ± 5.5 (a) | 55.8 ± 4.9 (a) | 14.2 ± 2.4 (b) | 24.4 ± 6.3 (a) | 28.0 ± 7.2 (a) | 121 ± 9.6 (a) | 11.5 ± 1.2 (a) |
| 50 | 33.2 ± 4.7 (b) | 51.0 ± 7.8 (b) | 11.3 ± 4.3 (c) | 21.5 ± 5.2 (b) | 27.0 ± 5.4 (a) | 118 ± 11 (b) | 10.0 ± 0.6 (b) | |
| 75 | 32.0 ± 3.3 (b) | 47.3 ± 6.6 (c) | 9.2 ± 1.3 (d) | 17.2 ± 3.4 (c) | 24.3 ± 2.3 (b) | 115 ± 8.8 (c) | 9.7 ± 0.87 (c) | |
| 100 | 29.7 ± 2.6 (c) | 43.2 ± 5.8 (d) | 7.2 ± 0.8 (e) | 14.5 ± 2.7 (d) | 22.0 ± 2.8 (b) | 111 ± 7.6 (c) | 9.2 ± 0.3 (c) | |
| 150 | 25.4 ± 2.3 (d) | 39.0 ± 3.7 (e) | 5.4 ± 1.3 (f) | 11.4 ± 2.5 (e) | 19.4 ± 00 (c) | 104 ± 5.8 (d) | 8.4 ± 1.1 (d) | |
| 200 | 20.1 ± 3.7 (e) | 34.0 ± 4.2 (f) | 3.2 ± 0.9 | 8.5 ± 1.8 | 16.5 ± 1.2 (d) | 99.2 ± 4.8 (e) | 8.0 ± 0.6 (e) | |
| Mean | 29.3 | 45.05 | 8.41 | 16.2 | 22.8 | 111.3 | 9.4 | |
| Mancozeb | 25 | 34.0 ± 5.7 (a) | 53.8 ± 8.2 (b) | 13.2 ± 5.2 (b) | 23.4 ± 8.1 (a) | 26.9 ± 4.9 (a) | 118.3 ± 12 (b) | 11.0 ± 2.3 (a) |
| 50 | 31.2 ± 4.4 (b) | 50.3 ± 5.7 (b) | 11.0 ± 1.0 (c) | 20.1 ± 5.5 (b) | 23.4 ± 2.6 (b) | 114.2 ± 11 (c) | 9.3 ± 0.9 (c) | |
| 75 | 28.2 ± 2.2 (c) | 46.4 ± 5.4 (c) | 9.1 ± 2.3 (d) | 16.4 ± 4.4 (c) | 21.4 ± 4.3 (b) | 106 ± 23 (d) | 9.2 ± 0.4 (c) | |
| 100 | 21.3 ± 1.9 (d) | 41.0 ± 6.0 (d) | 7.2 ± 0.8 (e) | 13.2 ± 3.9 (d) | 17.4 ± 2.6 (d) | 97.3 ± 13 (e) | 8.3 ± 1.0 (d) | |
| 150 | 16.2 ± 2.5 (f) | 32.1 ± 2.0 (f) | 5.2 ± 1.2 (f) | 10.2 ± 4.4 (e) | 13.2 ± 0.8 (e) | 86.3 ± 16 (g) | 7.3 ± 2.1 (e) | |
| 200 | 10.8 ± 1.8 (g) | 26.6 ± 2.8 (g) | 3.1 ± 1.0 (g) | 7.4 ± 2.6 (f) | 9.5 ± 0.97 (f) | 79.0 ± 10 (h) | 6.0 ± 0.4 (f) | |
| Mean | 23.6 | 36.7 | 8.1 | 15.1 | 16.9 | 100.1 | 8.51 | |
a
Values are mean of three independent replicates. ± indicates standard deviation.