16
21.
51.7
8.8
25.7
12.8
17»7
10.7
7.7
latum
6
18=0
10
0
5
lagen na bespuiting
11.5
15.4
,48.5
7.9
22.2
45-2
9.5
57-9
42.2
20.5
20.4
51.5
21 .9
52.2
50.7
60.4
11.5
5.8
6.0
16.8
60.3
4.4
55.5
50.0
9.7
l) dosis handelsmiddel/ha op respectievelijk 8.7-25.7-8.8
18
4
14
0
'34.2
•59.1
38.5
mbehandeld
ephaat (1.5-1.9-0)
thamidophos (2.0-2.5-0)
thidathion (15-1.8-2.3)
thorny1 (2.1-2.5-3.1
ethcaat (1.5-1.9-0)
opoxur (2.0-2.6-3.2)
ethoaat methidathion
.5 1.8-2.4)
thidathion omethoaat
.5 1-9-0)
aphaat (2.0-2.5-0)
thamidophos (2.5-3»1-0)
thidathion (2.2-2.5-3.1
;homyl (2.6-3.1-4.0)
rthoaat (2.0-2.5Q0)
>poxur (2.7-3-0-4.0)
sthoaat propoxur
5 1.5)
:thoaat methidathion
6 1.6)
.W.V. P0,01
»WfV. F0,05
.0.
-toets
1 significantie
18.6
15.9
47.5
2.38
25.5
19.0
46.7
7.89
23.1
17.2
54.7
4.25
13
18.0
13.4
58.3
15.56
6.3
11 .3
12.2
9.1
18.0
13.4
8.5
1.28
19.5
14.5
50.3
3.64
49.7
46.3
51.0
;52.2
54.7
55.7
11 „9
21.0
8.8
11 .3
22.2
17.8
8.2
6.3
19.7
4.7
•--57.9
55.2
•51.9
'55.7
56.6
55.0
55.2
1.0
19.7
8.2
.6.9
5.7
14.4
72.5
8.2
18.2
26.0
21.0
1.3
11.0
5.5
40.4
25.3
25.7
15.5
21.6
10.8
8.1
52.8
6.13
7.8
55.5
51.9
55-8
7.5
21 .3
28.6
21.4
57.5
7.72
6.3
34.7
55.7
59.1
11.0
57.2
28.5
26.5
28.8
18.8
20.0
18.5
21.8
22.2
13.2
23.2
'I .9
21.9 45.7
57.5
46.3
19.7
59.1
26.}
h
26.5
46.5
58.8
29.7
A
TABEL V; Bladluisaantasting
Evolutie van de aantastingsgraad per insecticide (1
>100
11 .0
58.2
Ó1.9
55.8
8.5
20.7
I
21.3
M
JEM
JEX
JEM
JEM
JEM
JEM
44.4
