European Corn Borer Survey Results, Fall 2003
Region
Fields Surveyed
Borer Entries/Tassel1,2
Borer Entries/Above Ear Zone1,2
Borer Entries/Ear Zone1,2
Borer Etnriees/Below Ear Zone1,2
Borer Eantries/Ear Shank1,2
Total Borer Entries/Plant1
Overwintering Larvae/Plant3
SW
6
0.00
0.09
0.15
0.18
0.08
0.50
0.17
SC
5
0.01
0.06
0.21
0.21
0.07
0.56
0.34
SE
6
0.00
0.03
0.05
0.03
0.00
0.12
0.10
WC
7
0.01
0.10
0.22
0.18
0.06
0.57
0.16
C
6
0.00
0.28
0.44
0.32
0.25
1.28
0.38
EC
6
0.01
0.17
0.42
0.25
0.21
1.05
0.32
NW
6
0.00
0.16
0.33
0.18
0.10
0.78
0.23
NC
6
0.00
0.51
0.51
0.53
0.19
1.74
0.98
NE
6
0.01
0.08
0.16
0.14
0.11
0.49
0.30
AVG.
0
0.00
0.16
0.28
0.22
0.12
0.79
0.33

1Counts made on 20 plants/field
2Plant zones are as follows: Tassel; Ear Zone, includes 2 nodes above and 2 nodes below primary ear; Above Ear Zne, includes all nodes between tassel and ear zone; Below Ear Zone, includes all nodes between ground and ear zone; Ear Shank, includes primary ear only.
3Numbers based on 10 plants disesected/field.