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