Table 3 Effect of basil oil and petitgrain mandarin oil on number of emerged progeny and reduction percentages of S. oryzae
|  | Concentration (mg/kg) | Mean of emerged progeny ± SE | % Reduction |
|---|---|---|---|
Basil oil | 1000 | 106 ± 4.61 bc | 26.38 |
2000 | 93 ± 2.88 bcd | 35.41 | |
4000 | 77 ± 7.79 de | 46.52 | |
6000 | 53 ± 1.73 efg | 63.19 | |
8000 | 25 ± 2.88 h | 82.63 | |
10,000 | 21 ± 1.73 h | 85.41 | |
20,000 | 14 ± 2.30 h | 90.72 | |
Petitgrain mandarin oil | 1000 | 119 ± 6.35 ab | 17.36 |
2000 | 103 ± 8.6bcd | 28.47 | |
4000 | 91 ± 6.35 cd | 36.80 | |
6000 | 79 ± 79.0 de | 45.13 | |
8000 | 54 ± 2.3 ef | 62.50 | |
10,000 | 36 ± 3.46 fgh | 75.00 | |
20,000 | 27 ± 2.88 gh | 81.25 | |
Control |  | 144 ± 7.50 a |  |