Fraction | VLC Mobile phase | Mass (g) | Preference Index (PIa ± SE) | |||
Insect species | ||||||
M. persicae | R. padi | S. littoralis | E. paenulata | |||
Twig extractb | - | 0.7 ± 0.2* | 0.02 ± 0.01 | 0.3 ± 0.2 | 0.6 ± 0.2* | |
1 | hex 100% | 0.034 | 0.7 ± 0.1* | NT | 0.4 ± 0.2 | NT |
2 | hex/AcOEt (8:2) | 0.830 | 0.36 ± 0.09* | −0.4 ± 0.1* | −0.1 ± 0.1 | 0.8 ± 0.3* |
3 | 1.020 | 0.3 ± 0.2 | 0.2 ± 0.1 | 0.0 ± 0.1 | 0.8 ± 0.3* | |
4 | hex/AcOEt (1:1) | 0.828 | 0.5 ± 0.1* | 0.30 ± 0.07* | 0.1 ± 0.2 | 0.8 ± 0.1* |
5 | 0.375 | 0.51 ± 0.07* | 0.26 ± 0.09* | −0.2 ± 0.1 | 0.2 ± 0.4 | |
6 | AcOEt 100% | 0.788 | 0.34 ± 0.09* | 0.15 ± 0.09# | 0.0 ± 0.3 | 0.6 ± 0.3 |
7 | 0.304 | 0.48 ± 0.09* | 0.4 ± 0.1* | 0.3 ± 0.1 | 0.91 ± 0.09* | |
8 | AcOEt/MeOH (98:2) | 0.077 | 0.3 ± 0.2# | 0.32 ± 0.08* | 0.5 ± 0.2 | 1.0 ± 0.0* |
9 | AcOEt/MeOH (8:2) | 2.600 | 0.4 ± 0.1* | 0.3 ± 0.1* | 0.1 ± 0.1 | 0.6 ± 0.2* |
10 | 2.340 | 0.1 ± 0.1 | 0.20 ± 0.08* | 0.3 ± 0.1 | 0.1 ± 0.3 | |
11 | AcOEt/MeOH (1:1) | 11.400 | 0.47 ± 0.09 | 0.17 ± 0.07* | 0.30 ± 0.07* | 0.3 ± 0.3 |
12 | 8.860 | 0.3 ± 0.1* | 0.02 ± 0.07 | 0.0 ± 0.1 | 0.7 ± 0.2* | |
13 | MeOH 100% | 2.240 | 0.42 ± 0.09* | −0.1 ± 0.1 | 0.3 ± 0.2 | 0.3 ± 0.3# |
14 | 1.390 | 0.2 ± 0.1 | 0.2 ± 0.1# | −0.06 ± 0.07 | 0.2 ± 0.2 |