Table 15a Louisiana Bt Cotton Insect Lossese 2003
| Pest |
acres infested |
acres treated |
# insect appls |
Cost of 1 applic |
cost/ acre |
%red |
Bales lost |
| Boll Weevil |
98280 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Bollworm/Budworm |
371,280 |
327,600 |
1.500 |
$6.95
|
$10.43 |
0.92 |
9,515 |
| Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Cotton Fleahopper |
87,360 |
87,360 |
0.020 |
$3.13
|
0.06 |
0.01 |
104 |
| Lygus |
412,776 |
369,096 |
2.535 |
$6.13
|
$15.54 |
2.08 |
21,549 |
| Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Spider Mites |
54,600 |
27,300 |
0.094 |
$16.00
|
$1.50 |
0.01 |
65 |
| Thrips |
469,560 |
207,480 |
0.475 |
$4.63
|
$2.20 |
0.16 |
1,671 |
| Beet Armyworm |
45,864 |
10,920 |
0.013 |
$3.50
|
$0.04 |
0.00 |
0 |
| Fall Armyworm |
69,888 |
15,288 |
0.026 |
$9.37
|
$0.25 |
0.03 |
332 |
| European Cornborer |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Stink Bugs |
305,760 |
196,560 |
0.720 |
$6.88
|
$4.95 |
0.93 |
9,613 |
| Grasshoppers |
2,184 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Saltmarsh Caterpillars |
4,368 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Aphids |
301,392 |
174,720 |
0.400 |
$6.13
|
$2.45 |
0.03 |
358 |
| Banded Winged Whitefly |
21,840 |
2,184 |
0.003 |
$3.50
|
$0.01 |
0.00 |
0 |
| Silverleaf Whitefly
(Bemesia) |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
| Loopers |
133,224 |
43,680 |
0.075 |
$9.50
|
$0.71 |
0.05 |
474 |
| 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 |
56,784 |
54,600 |
0.063 |
$1.50
|
$0.09 |
0.00 |
0 |
|
|
|
|
|
|
|
|
| Percent Lost |
4.21 |
|
Est. yield/acre |
965 |
|
|
Cost/ Acre |
| |
|
|
|
|
|
Foliar insecticide |
$38.24 |
| Total Acres |
436,800 |
|
Spray applications |
5.923 |
|
At planting |
$7.35 |
| |
|
|
|
|
|
Bt use fees |
$30.50 |
| |
|
|
Cost + loss |
$53,918,918 |
|
Eradication |
$10.00 |
| Total Bales lost |
43,680 |
|
|
|
|
Scouting |
$8.56 |
| Bales lost in dollars |
$12,579,921
|
|
Cost + loss/acre |
$123.44 |
|
Total |
$94.64 |
|
|
|
|
|
|
|
|