Table 4.
Effect of different decontamination treatments in the removal of imidacloprid in brinjal and okra.
Treatment No. | Treatment details | Brinjal |
Reduction (%) | Okra |
Reduction (%) | ||
---|---|---|---|---|---|---|---|
Recommended dose (20 g a.i. ha−1) |
Recommended dose (20 g a.i. ha−1) |
||||||
Initial Residues levels mgkg−1 ± SD | Residue after treatment mgkg1 ± SD | Initial Residue levels mgkg−1± SD | Residue after treatment mgkg−1± SD | ||||
T1 | Dipping in 2% Tamarind solution for 15 min | 0.349 ± 0.049 | 0.118 ± 0.01 | 66.19e | 0.577 ± 0.054 | 0.219 ± 0.010 | 62.05bc |
T2 | Dipping in 2% of sodium bicarbonate solution | 0.349 ± 0.049 | 0.136 ± 0.03 | 61.03e | 0.577 ± 0.054 | 0.339 ± 0.002 | 41.25f |
T3 | Dipping in 1% turmeric solution for 15 min | 0.349 ± 0.049 | 0.082 ± 0.02 | 76.50d | 0.577 ± 0.054 | 0.233 ± 0.022 | 59.62c |
T4 | 1 lemon in 1 L of water | 0.349 ± 0.049 | 0.077 ± 0.02 | 77.94cd | 0.577 ± 0.054 | 0.201 ± 0.02 | 65.17b |
T5 | Dipping in 4% of acetic acid solution for 15 min | 0.349 ± 0.049 | 0.060 ± 0.08 | 82.81c | 0.577 ± 0.054 | 0.311 ± 0.012 | 46.10e |
T6 | Dipping in 2% salt solution + boiling for 5 min | 0.349 ± 0.049 | 0.002 ± 0.05 | 99.43a | 0.577 ± 0.054 | 0.502 ± 0.023 | 12.99h |
T7 | Dipping in 2% salt solution for 15 min | 0.349 ± 0.049 | 0.038 ± 0.23 | 89.11b | 0.577 ± 0.054 | 0.276 ± 0.003 | 52.16d |
T8 | Dipping in hot water for 15 min | 0.349 ± 0.049 | 0.125 ± 0.09 | 64.18e | 0.577 ± 0.054 | 0.223 ± 0.012 | 59.219c |
T9 | Dipping in tap water for 15 min | 0.349 ± 0.049 | 0.064 ± 0.03 | 81.66cd | 0.577 ± 0.054 | 0.490 ± 0.032 | 28.77g |
T10 | Boiling for 5 min | 0.349 ± 0.049 | 0.076 ± 0.03 | 78.22cd | 0.577 ± 0.054 | 0.152 ± 0.021 | 73.65a |
SEM± | 1.15 | 0.67 | |||||
CD (%) | 3.39 | 2.05 | |||||
CV | 0.03 | 0.03 |
SD: Standard deviation; Significant Differences (p < 0.05, student's paired t-test) are mentioned with different alphabets in the same test item.