Table 19a North Carolina Bt Cotton Insect Losses – 2004
|
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 |
600,000 |
580,000 |
0.580 |
$8.50 |
$4.93 |
1.90 |
17,813 |
|
Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Cotton Fleahopper |
600,000 |
0 |
0.000 |
N/A |
0.00 |
0.00 |
0 |
|
Lygus |
600,000 |
54,000 |
0.090 |
$6.50 |
$0.59 |
1.00 |
9,375 |
|
Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Spider Mites |
40,000 |
200 |
0.000 |
$13.00 |
$0.00 |
0.00 |
0 |
|
Thrips |
600,000 |
223,000 |
0.409 |
$5.00 |
$2.04 |
0.10 |
938 |
|
Beet Armyworm |
60,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Fall Armyworm |
240,000 |
8,000 |
0.013 |
$8.50 |
$0.11 |
0.00 |
38 |
|
European Cornborer |
300,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Stink Bugs |
600,000 |
590,000 |
0.590 |
$8.50 |
$5.02 |
7.00 |
65,625 |
|
Grasshoppers |
325,000 |
100 |
0.000 |
$8.00 |
$0.00 |
0.00 |
0 |
|
Saltmarsh Caterpillars |
400,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Aphids |
600,000 |
72,000 |
0.120 |
$10.00 |
$1.20 |
0.00 |
0 |
|
Banded Winged Whitefly |
300,000 |
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 |
20,000 |
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 |
250,000 |
12,500 |
0.021 |
$4.00 |
$0.08 |
0.00 |
0 |
|
|
|
|
|
|
|
|
|
|
Percent Lost |
10.00 |
|
Est. yield/acre |
750 |
|
|
Cost/ Acre |
|
|
|
|
|
|
|
Foliar insecticide |
$13.98 |
|
Total Acres |
600,000 |
|
Spray applications |
1.824 |
|
At planting |
$11.04 |
|
|
|
|
|
|
|
Bt use fees |
$19.50 |
|
|
|
|
Cost + loss |
$55,974,075 |
|
Eradication |
$3.75 |
|
Total Bales lost |
93,788 |
|
|
|
|
Scouting |
$0.01 |
|
Bales lost in dollars |
$27,010,800 |
|
Cost + loss/acre |
$93.29 |
|
Total |
$48.27 |