ECB Survey

1
38
34
10
11
ECB Survey 2005
3
6
9
23
41
11
46
Ave Infestation Northwest
29 Northeast 11 West
35 Central 23 East 13 West
Southwest 32 East Southeast 31 Southwest
14 Southeast 30 State
24
8
40
16
22
35
7
39
38
9
12
33
32
9
52
22
42
23
37
35
15
55
61
34
26
32
20
8
30
12
46
31
5
3
40
18
3
20
41
44
2
87
97
10
13
ECB Survey 2005
3
9
14
21
95
7
144
Ave ECB/100 plants Northwest 74
Northeast 11 West
50 Central 27 East
26 West Southwest
53 East Southeast 32 Southwest
10 Southeast 26 State
34
0
74
66
19
60
5
41
40
6
28
33
8
19
126
5
51
39
2
61
36
11
113
89
31
44
46
6
21
75
7
22
21
2
4
32
15
0
16
46
34
3
Summary of European Corn Borer Fall
Surveys,University of Illinois Extension, 1943 -
2005
4
Is ECB Economically Damaging
Year Injury non Bt Injury Bt Date E M
L E M L 05 46 88 88 0
0 0 04 13 21 45 0 0
0 03 21 17 39 0 0
0 Average 26 42 57
E- early 4/7-11 M-mid 4/28-5/8 L-late 5/20-28
5
Bushel advantage for Bt
Plant date Year early mid late 05 0 6 13
04 7 5 18 03 -1 5 2
E- early 4/7-11 M-mid 4/28-5/8 L-late 5/20-28
6
Corn Borer Control

• YGCB, Herculex 1, scout and spray
• Herculex provides protection against ecb, cew,
  wbc, bcw, faw
• YGCB provides protection against ecb, cew, faw,
  stalk borer