© Benaki Phytopathological Institute
Antonatos & Emmanouel
48
Table 3.
Mortality % (Mean ± S.E) of adults of
Calliptamus barbarus barbarus
when exposed for 48 hours to grapevine leaves treated with differ-
ent insecticides.
Treatment
Day of trial
1
st
2
nd
3
rd
4
th
5
th
6
th
7
th
8
th
9
th
10
th
Spinosad
48.4 ± 8.0a 79.7 ± 5.8 a 93.8 ± 4.7a 95.3 ± 3.3a 96.9 ± 2.1 a 96.9 ± 21.0a 98.4 ± 1.6a 98.4 ± 1.6a 98.4 ± 1.6a 98.4 ± 1.6a
Imidacloprid
28.1 ± 3.9b 35.9 ± 3.7 b 43.8 ± 2.4b 53.1 ± 3.9b 56.3 ± 4.7 b 59.4 ± 4.6b 60.9 ± 4.4b 67.2 ± 4.1b 70.3 ± 4.7b 71.9 ± 3.9b
Alpha cypermethrin 7.8 ± 3.3c 23.4 ± 6.0 b 35.9 ± 7.3b 45.3 ± 9.7b 53.1 ± 10.2b 56.3 ± 10.3b 59.4 ± 10.5b 60.9 ± 9.9bc 65.6 ± 9.4bc 67.2 ± 8.8bc
Lambda cyhalothrin 4.7 ± 2.3cd 18.8 ± 6.7 b 25.0 ± 7.1b 29.7 ± 9.1b 32.8 ± 9.7b 34.4 ± 9.7b 39.1 ± 9.9b 39.1 ± 9.9c 43.8 ± 8.8c 43.8 ± 8.8c
Control
0.0 ± 0.0d 0.0 ± 0.0c
0.0 ± 0.0c 0.0 ± 0.0c 0.0 ± 0.0c 1.6 ± 1.6c
3.1 ± 2.1c
3.1 ± 2.1d 3.1 ± 2.1d 4.7 ± 2.3d
Chi-square
26,73
29,31
30,77
30,27
29,98
29,13
29,05
29,61
29,96
30,21
df
4
4
4
4
4
4
4
4
4
4
P
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
Means of the same column followed by different letter differ significantly (Mann-Whitney U-test:
P
< 0.05)
