Table 15a Louisiana Bt Cotton Insect Losses – 2004
|
Pest |
acres infested |
acres treated |
# insect appls |
Cost of 1 applic |
cost/ acre |
%red |
Bales lost |
|
Boll Weevil |
6104 |
1529 |
0.002 |
$6.00 |
$0.01 |
0.00 |
0 |
|
Bollworm/Budworm |
404,237 |
328,036 |
1.137 |
$8.13 |
$9.24 |
0.25 |
2,891 |
|
Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Cotton Fleahopper |
183,226 |
15,285 |
0.003 |
$7.13 |
0.02 |
0.01 |
94 |
|
Lygus |
442,324 |
442,324 |
5.365 |
$7.75 |
$41.58 |
2.77 |
32,650 |
|
Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Spider Mites |
121,385 |
29,772 |
0.077 |
$11.98 |
$0.93 |
0.01 |
93 |
|
Thrips |
373,538 |
206,029 |
0.491 |
$4.81 |
$2.36 |
0.04 |
477 |
|
Beet Armyworm |
160,222 |
42,671 |
0.074 |
$9.67 |
$0.72 |
0.01 |
123 |
|
Fall Armyworm |
144,987 |
34,317 |
0.059 |
$9.83 |
$0.58 |
0.02 |
259 |
|
European Cornborer |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Stink Bugs |
350,888 |
328,036 |
1.137 |
$8.50 |
$9.66 |
0.26 |
3,047 |
|
Grasshoppers |
157,175 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Saltmarsh Caterpillars |
160,222 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Aphids |
320,444 |
106,798 |
0.208 |
$7.78 |
$1.62 |
0.01 |
164 |
|
Banded Winged Whitefly |
106,899 |
4,571 |
0.003 |
$7.50 |
$0.02 |
0.00 |
0 |
|
Silverleaf Whitefly (Bemesia) |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Loopers |
259,250 |
83,818 |
0.127 |
$9.33 |
$1.19 |
0.01 |
132 |
|
Southern Armyworms |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Slugs |
35,000 |
0 |
0.000 |
N/A |
$0.00 |
0.08 |
894 |
|
Cutworms |
105,396 |
250,129 |
0.596 |
$3.99 |
$2.38 |
0.00 |
54 |
|
|
|
|
|
|
|
|
|
|
Percent Lost |
3.47 |
|
Est. yield/acre |
893 |
|
|
Cost/ Acre |
|
|
|
|
|
|
|
Foliar insecticide |
$70.32 |
|
Total Acres |
461,668 |
|
Spray applications |
9.280 |
|
At planting |
$6.35 |
|
|
|
|
|
|
|
Bt use fees |
$27.63 |
|
|
|
|
Cost + loss |
$68,134,757 |
|
Eradication |
$10.00 |
|
Total Bales lost |
40,878 |
|
|
|
|
Scouting |
$7.79 |
|
Bales lost in dollars |
$11,772,877 |
|
Cost + loss/acre |
$147.58 |
|
Total |
$122.08 |