Table 9a Arizona Bt Cotton Insect Losses – 2005
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 |
0.000 |
0 |
Bollworm/Budworm |
48,700 |
3,684 |
0.000 |
$16.00 |
$0.00 |
0.021 |
142 |
Pink Bollworm |
48,469 |
3,540 |
0.020 |
$14.00 |
$0.28 |
0.012 |
80 |
Cotton Fleahopper |
90,064 |
23,625 |
0.051 |
$6.24 |
0.32 |
0.076 |
503 |
Lygus |
164,515 |
152,405 |
1.636 |
$17.14 |
$28.04 |
4.183 |
27,762 |
Cotton Leaf Perforator |
18,290 |
0 |
0.000 |
N/A |
$0.00 |
0.001 |
7 |
Spider Mites |
44,250 |
26,486 |
0.150 |
$25.52 |
$3.82 |
0.156 |
1,034 |
Thrips |
141,600 |
24,780 |
0.125 |
$12.34 |
$1.54 |
0.172 |
1,142 |
Beet Armyworm |
39,810 |
5,555 |
0.016 |
$16.83 |
$0.26 |
0.009 |
60 |
Fall Armyworm |
5,923 |
0 |
0.000 |
N/A |
$0.00 |
0.000 |
2 |
European Cornborer |
0 |
0 |
0.000 |
N/A |
$0.00 |
0.000 |
0 |
Stink Bugs |
80,891 |
35,739 |
0.202 |
$13.84 |
$2.79 |
0.114 |
758 |
Grasshoppers |
11,665 |
325 |
0.002 |
$18.00 |
$0.03 |
0.014 |
96 |
Saltmarsh Caterpillars |
18,655 |
3,540 |
0.003 |
$6.00 |
$0.02 |
0.011 |
70 |
Aphids |
11,378 |
2,774 |
0.019 |
$14.00 |
$0.26 |
0.023 |
154 |
Banded Winged Whitefly |
38,300 |
0 |
0.000 |
N/A |
$0.00 |
0.000 |
0 |
Silverleaf Whitefly (Bemisia) |
166,629 |
148,301 |
2.095 |
$28.63 |
$59.97 |
3.295 |
21,870 |
Loopers |
7,776 |
885 |
0.005 |
$12.00 |
$0.06 |
0.000 |
3 |
Yellowstriped Armyworrms |
634 |
0 |
0.000 |
N/A |
$0.00 |
0.000 |
0 |
Pale-sided Flea Beetles |
9,822 |
250 |
0.001 |
$15.00 |
$0.02 |
0.000 |
0 |
Cutworms |
1,138 |
179 |
0.001 |
$11.73 |
$0.01 |
0.001 |
5 |
Percent Lost |
8.09 |
Est. yield/acre |
1,320 |
|
Cost/ Acre |
||
|
|
|
|
Foliar insecticide |
$97.43 |
||
Total Acres |
177,000 |
Spray applications |
4.324 |
At planting |
$0.90 |
||
|
|
|
|
Bt use fees |
$34.00 |
||
|
|
Cost + loss |
$40,717,655 |
Eradication |
$0.75 |
||
Total Bales lost |
53,687 |
|
|
Scouting |
$9.60 |
||
Bales lost in dollars |
$15,461,889 |
Cost + loss/acre |
$230.04 |
Total |
$142.69 |
Official Arizona Cotton Losses may be seen on the Arizona WEB http://cals.arizona.edu/crops/cotton/insects/cil/cil.html