Table 19a North Carolina Bt Cotton Insect Losses – 2005
Pest |
acres infested |
acres treated |
# insect appls |
Cost of 1 applic |
cost/ acre |
%red |
Bales lost |
Boll Weevil |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Bollworm/Budworm |
726,000 |
657,700 |
0.634 |
$8.00 |
$5.07 |
2.10 |
31,763 |
Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Cotton Fleahopper |
726,000 |
0 |
0.000 |
N/A |
0.00 |
0.00 |
0 |
Lygus |
726,000 |
40,600 |
0.056 |
$6.50 |
$0.36 |
0.10 |
1,513 |
Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Spider Mites |
240,000 |
18,000 |
0.025 |
$13.00 |
$0.32 |
0.00 |
0 |
Thrips |
726,000 |
518,000 |
0.928 |
$5.00 |
$4.64 |
0.80 |
12,100 |
Beet Armyworm |
5,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Fall Armyworm |
72,000 |
1,000 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
European Cornborer |
180,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Stink Bugs |
726,000 |
657,700 |
0.634 |
$8.00 |
$5.07 |
3.50 |
52,938 |
Grasshoppers |
72,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Saltmarsh Caterpillars |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Aphids |
726,000 |
54,000 |
0.074 |
$10.00 |
$0.74 |
0.00 |
0 |
Banded Winged Whitefly |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Silverleaf Whitefly (Bemesia) |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Loopers |
50,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Southern Armyworms |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Other Insects |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Cutworms |
300,000 |
30,000 |
0.041 |
$4.00 |
$0.17 |
0.00 |
0 |
Percent Lost |
6.50 |
Est. yield/acre |
830 |
|
Cost/ Acre |
||
|
|
|
|
Foliar insecticide |
$16.38 |
||
Total Acres |
726,000 |
Spray applications |
2.392 |
At planting |
$14.21 |
||
|
|
|
|
Bt use fees |
$20.00 |
||
|
|
Cost + loss |
$71,669,240 |
Eradication |
$3.50 |
||
Total Bales lost |
98,313 |
|
|
Scouting |
$5.63 |
||
Bales lost in dollars |
$28,314,000 |
Cost + loss/acre |
$98.72 |
Total |
$59.72 |