Table 2 Percentages of unhatched Spodoptera littoralis eggs in three exposure periods to different concentrations of orange odor
Experimental time/hours | Orange odor concentrations (%) | |||||
|---|---|---|---|---|---|---|
0.0 | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 | |
24 | 3.0 a | 4.23 b | 5.21 a | 7.24 b | 8.25 b | 10.24 b |
48 | 2.9 a | 5.27 b | 8.24 b | 9.78 ab | 9.77 b | 12.37 b |
72 | 2.8 a | 14.25 a | 16.24 c | 17.28 a | 20.21 a | 30.74 a |
LSD | 0.24 | 5.9 | 4.41 | 8.38 | 7.18 | 12.019 |
P | 0.0342 | 0.016 | 0.000 | 0.0072 | 0.0004 | 0.003 |