Table 15a Louisiana Bt Cotton Insect Losses – 2005
Pest |
acres infested |
acres treated |
# insect appls |
Cost of 1 applic |
cost/ acre |
%red |
Bales lost |
Boll Weevil |
251456 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Bollworm/Budworm |
260,862 |
163,451 |
0.242 |
$7.35 |
$1.78 |
0.10 |
1,522 |
Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Cotton Fleahopper |
13,190 |
0 |
0.000 |
N/A |
0.00 |
0.00 |
0 |
Lygus |
520,000 |
425,198 |
3.150 |
$9.25 |
$29.13 |
1.16 |
18,200 |
Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Spider Mites |
396,780 |
221,099 |
0.737 |
$21.56 |
$15.89 |
0.73 |
11,573 |
Thrips |
520,000 |
398,118 |
0.590 |
$3.61 |
$2.13 |
0.19 |
3,033 |
Beet Armyworm |
42,984 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Fall Armyworm |
338,125 |
158,910 |
0.353 |
$11.25 |
$3.97 |
0.50 |
7,890 |
European Cornborer |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Stink Bugs |
293,045 |
78,334 |
0.116 |
$7.42 |
$0.86 |
0.16 |
2,564 |
Grasshoppers |
285,112 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Saltmarsh Caterpillars |
136,335 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Aphids |
520,000 |
376,335 |
0.697 |
$9.36 |
$6.52 |
0.10 |
1,517 |
Banded Winged Whitefly |
142,335 |
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 |
439,667 |
121,456 |
0.112 |
$12.35 |
$1.39 |
0.08 |
1,282 |
Southern Armyworms |
43,227 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Slugs |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
Cutworms |
0 |
425,991 |
0.789 |
$3.30 |
$2.60 |
0.00 |
0 |
Percent Lost |
3.02 |
Est. yield/acre |
925 |
|
Cost/ Acre |
||
|
|
|
|
Foliar insecticide |
$64.28 |
||
Total Acres |
540,000 |
Spray applications |
6.786 |
At planting |
$8.19 |
||
|
|
|
|
Bt use fees |
$12.04 |
||
|
|
Cost + loss |
$69,707,819 |
Eradication |
$10.00 |
||
Total Bales lost |
47,581 |
|
|
Scouting |
$9.21 |
||
Bales lost in dollars |
$13,703,194 |
Cost + loss/acre |
$129.09 |
Total |
$103.71 |