Table 22a Tennessee 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 |
475,000 |
60,000 |
0.126 |
$8.00 |
$1.01 |
1.00 |
9,401 |
|
Pink Bollworm |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Cotton Fleahopper |
5,000 |
0 |
0.000 |
N/A |
0.00 |
0.00 |
0 |
|
Lygus |
475,000 |
356,250 |
0.900 |
$8.00 |
$7.20 |
0.40 |
3,760 |
|
Cotton Leaf Perforator |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Spider Mites |
237,500 |
37,500 |
0.111 |
$10.25 |
$1.13 |
0.07 |
611 |
|
Thrips |
475,000 |
142,500 |
0.300 |
$5.95 |
$1.79 |
0.30 |
2,820 |
|
Beet Armyworm |
2,000 |
200 |
0.000 |
$9.50 |
$0.00 |
0.00 |
0 |
|
Fall Armyworm |
50,000 |
400 |
0.001 |
$9.00 |
$0.01 |
0.01 |
99 |
|
European Cornborer |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Stink Bugs |
400,000 |
150,000 |
0.347 |
$8.00 |
$2.78 |
0.51 |
4,750 |
|
Grasshoppers |
20,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Saltmarsh Caterpillars |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Aphids |
475,000 |
1,500 |
0.003 |
$8.20 |
$0.03 |
0.02 |
188 |
|
Banded Winged Whitefly |
10,000 |
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 |
8,000 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Southern Armyworms |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.00 |
0 |
|
Clouded Plant Bugs |
356,250 |
300,000 |
0.821 |
$8.50 |
$6.98 |
0.83 |
7,756 |
|
Cutworms |
50,000 |
308,000 |
0.648 |
$1.50 |
$0.97 |
0.00 |
20 |
|
|
|
|
|
|
|
|
|
|
Percent Lost |
3.13 |
|
Est. yield/acre |
840 |
|
|
Cost/ Acre |
|
|
|
|
|
|
|
Foliar insecticide |
$21.90 |
|
Total Acres |
475,000 |
|
Spray applications |
3.258 |
|
At planting |
$8.46 |
|
|
|
|
|
|
|
Bt use fees |
$23.00 |
|
|
|
|
Cost + loss |
$41,676,075 |
|
Eradication |
$12.00 |
|
Total Bales lost |
29,405 |
|
|
|
|
Scouting |
$4.55 |
|
Bales lost in dollars |
$8,468,775 |
|
Cost + loss/acre |
$87.74 |
|
Total |
$69.91 |