Table 3.
Percent inhibition of yield (%Iy) and growth rate (%Ir) at 72 hours.
| S. no. | Name of the pesticide | Conc. exposed (mg/L) | Percent inhibition | Percent inhibition | ||
|---|---|---|---|---|---|---|
| RowSpanEmpty | RowSpanEmpty | unexpired | expired | |||
| RowSpanEmpty | RowSpanEmpty | (%Iy) | (%Ir) | (%Iy) | (%Ir) | |
| Insecticides | ||||||
|
| ||||||
| 1 | Dichlorvos 76% EC | 0.95 | 1.57 | 0.30 | −1.05 | −0.20 |
| 3.05 | 11.52 | 2.31 | 3.66 | 0.71 | ||
| 9.77 | 32.46 | 7.42 | 21.99 | 4.70 | ||
| 31.25 | 45.03 | 11.30 | 30.37 | 6.84 | ||
| 100.00 | 99.48 | 86.82 | 91.10 | 45.02 | ||
| 2 |
Endosulfan 35% EC |
0.10 | 2.09 | 0.40 | 1.68 | 0.32 |
| 0.31 | 21.99 | 4.70 | 11.17 | 2.27 | ||
| 0.98 | 57.59 | 16.18 | 33.52 | 7.81 | ||
| 3.13 | 84.82 | 35.31 | 67.04 | 21.16 | ||
| 10.00 | 100.00 | 100.00 | 92.18 | 47.85 | ||
| 3 | Quinalphos 25% EC | 0.10 | 8.38 | 1.68 | 2.23 | 0.43 |
| 0.31 | 16.76 | 3.51 | 12.29 | 2.51 | ||
| 0.98 | 41.34 | 10.20 | 34.64 | 8.13 | ||
| 3.13 | 73.74 | 25.45 | 69.83 | 22.83 | ||
| 10.00 | 97.21 | 65.50 | 94.97 | 55.66 | ||
|
| ||||||
| Pyrethroids | ||||||
|
| ||||||
| 4 | Alphacypermethrin 10% SC | 0.1 | 1.68 | 0.32 | 2.79 | 0.54 |
| 0.31 | 11.17 | 2.27 | 19.55 | 4.16 | ||
| 1.0 | 33.52 | 7.81 | 44.69 | 11.32 | ||
| 3.1 | 67.04 | 21.16 | 75.42 | 26.70 | ||
| 10.0 | 92.18 | 47.85 | 95.33 | 57.69 | ||
| 5 | Fenvalerate 20% EC |
0.1 | 0.56 | 0.11 | 5.59 | 1.10 |
| 0.31 | 4.47 | 0.88 | 19.55 | 4.16 | ||
| 1.0 | 22.35 | 4.84 | 47.49 | 12.31 | ||
| 3.1 | 44.69 | 11.32 | 77.09 | 28.02 | ||
| 10.0 | 81.01 | 31.54 | 96.09 | 59.96 | ||
| 6 | Lambda-cyhalothrin 5% EC | 0.1 | 1.55 | 0.29 | 4.12 | 0.79 |
| 0.31 | 11.34 | 2.27 | 15.46 | 3.17 | ||
| 1.0 | 100.00 | 100.00 | 100.00 | 100.00 | ||
| 3.1 | 100.00 | 100.00 | 100.00 | 100.00 | ||
| 10.0 | 100.52 | 100.00 | 100.52 | 100.00 | ||
|
| ||||||
| Herbicides | ||||||
|
| ||||||
| 7 | Fenaxaprop-p-ethyl 9.3% EC | 0.10 | 1.83 | 0.34 | 8.22 | 1.58 |
| 0.31 | 25.11 | 5.33 | 36.53 | 8.38 | ||
| 0.98 | 73.06 | 24.09 | 82.19 | 31.61 | ||
| 3.13 | 89.04 | 40.32 | 94.52 | 52.44 | ||
| 10.00 | 99.09 | 79.63 | 100.00 | 100.00 | ||
| 8 | Pretilachlor 50% EC | 0.10 | −1.05 | −0.20 | 6.28 | 1.23 |
| 0.31 | 14.14 | 2.88 | 21.99 | 4.70 | ||
| 0.98 | 46.60 | 11.85 | 50.79 | 13.38 | ||
| 3.13 | 84.82 | 35.31 | 92.67 | 48.49 | ||
| 10.00 | 97.91 | 69.39 | 100.00 | 100.00 | ||
| 9 | 2,4 D sodium salt 80% WP | 0.10 | 1.06 | 0.20 | 5.29 | 1.03 |
| 0.31 | 7.94 | 1.57 | 16.93 | 3.51 | ||
| 0.98 | 21.16 | 4.51 | 35.98 | 8.44 | ||
| 3.13 | 47.62 | 12.23 | 62.43 | 18.49 | ||
| 10.00 | 99.47 | 86.79 | 100.53 | 100.00 | ||
|
| ||||||
| Fungicides | ||||||
|
| ||||||
| 10 | Tebuconazole 25% EC | 0.10 | −2.23 | −0.42 | 1.12 | 0.22 |
| 0.31 | 2.79 | 0.54 | 9.38 | 1.68 | ||
| 0.98 | 11.17 | 2.27 | 22.35 | 4.84 | ||
| 3.13 | 46.93 | 12.11 | 61.45 | 18.19 | ||
| 10.00 | 91.06 | 45.44 | 96.65 | 62.53 | ||
| 11 | Mancozeb 75% WP | 0.10 | 2.58 | 0.49 | 6.70 | 1.31 |
| 0.31 | 10.31 | 2.05 | 22.16 | 4.72 | ||
| 0.98 | 13.40 | 2.71 | 38.66 | 9.21 | ||
| 3.13 | 46.39 | 11.74 | 58.25 | 16.43 | ||
| 10.00 | 90.21 | 43.19 | 97.94 | 69.48 | ||
| 12 | Hexaconazole 5% EC | 0.10 | 5.29 | 1.03 | 13.23 | 2.69 |
| 0.31 | 15.34 | 3.16 | 18.52 | 3.88 | ||
| 0.98 | 51.85 | 13.82 | 58.20 | 16.49 | ||
| 3.13 | 66.14 | 20.44 | 73.02 | 24.70 | ||
| 10.00 | 97.35 | 65.85 | 100.00 | 100.00 | ||
|
| ||||||
| Combinational fungicides | ||||||
|
| ||||||
| 13 | Captan 70% + Hexaconazole 5% WP | 0.03 | 1.02 | 0.19 | 0.51 | 0.10 |
| 0.10 | 11.68 | 2.34 | 9.14 | 1.80 | ||
| 0.31 | 25.38 | 5.50 | 22.34 | 4.75 | ||
| 0.98 | 62.44 | 18.36 | 44.67 | 11.11 | ||
| 3.13 | 92.89 | 48.79 | 96.95 | 63.20 | ||
| 10.00 | 100.51 | 100.00 | 100.51 | 100.00 | ||
| 14 | Carbendazim 12% + Mancozeb 63% WP | 0.003 | 1.02 | 0.19 | −2.03 | −0.38 |
| 0.010 | 24.37 | 5.25 | 1.52 | 0.29 | ||
| 0.03 | 62.44 | 18.36 | 24.37 | 5.25 | ||
| 0.10 | 80.20 | 30.24 | 54.82 | 14.91 | ||
| 0.31 | 96.45 | 60.68 | 62.44 | 18.36 | ||
| 1.00 | 100.51 | 100.00 | 97.97 | 69.57 | ||
| 15 | Metalaxyl 8% + Mancozeb 64% WP |
0.002 | 1.15 | 0.22 | −4.02 | −0.76 |
| 0.005 | 25.86 | 5.76 | 1.72 | 0.33 | ||
| 0.02 | 60.34 | 17.74 | 20.11 | 4.32 | ||
| 0.05 | 71.84 | 24.26 | 54.60 | 15.16 | ||
| 0.16 | 86.21 | 37.68 | 86.21 | 37.68 | ||
| 0.50 | 99.43 | 86.58 | 98.28 | 73.16 | ||
Same concentrations were used for both unexpired and expired pesticide formulations exception for Metalaxyl 8% + Mancozeb 64% WP (expired). Concentrations of Metalaxyl 8% + Mancozeb 64% WP (expired) are 0.003, 0.010, 0.03, 0.10, 0.31, and 1.00 mg/L.