Table 15a Louisiana Bt Cotton Insect Losses 2006

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

529,596

488,405

0.959

$9.25

$8.87

1.53

24,421

Pink Bollworm

0

0

0.000

N/A

$0.00

0.00

0

Cotton Fleahopper

161,821

0

0.000

N/A

0.00

0.00

0

Lygus

549,015

541,953

2.431

$9.25

$22.49

2.57

40,953

Cotton Leaf Perforator

0

0

0.000

N/A

$0.00

0.00

0

Spider Mites

244,203

98,269

0.509

$14.76

$7.52

0.00

0

Thrips

523,712

427,207

0.726

$5.38

$3.91

0.05

852

Beet Armyworm

48,841

0

0.000

N/A

$0.00

0.00

0

Fall Armyworm

264,798

88,266

0.150

$9.50

$1.43

0.09

1,508

European Cornborer

0

0

0.000

N/A

$0.00

0.00

0

Stink Bugs

368,952

254,201

0.518

$9.90

$5.13

0.33

5,304

Grasshoppers

44,133

0

0.000

N/A

$0.00

0.00

0

Saltmarsh Caterpillars

29,422

0

0.000

N/A

$0.00

0.00

0

Aphids

461,925

335,411

0.570

$10.75

$6.13

0.25

4,010

Banded Winged Whitefly

14,711

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

220,665

29,422

0.050

$11.76

$0.59

0.00

0

Southern Armyworms

0

0

0.000

N/A

$0.00

0.00

0

Slugs

41,191

0

0.000

N/A

$0.00

0.00

0

Cutworms

44,133

235,376

0.400

$1.50

$0.60

0.00

0

               

Percent Lost

4.83

 

Est. yield/acre

995

   

Cost/ Acre

           

Foliar insecticide

$56.65

Total Acres

588,440

 

Spray applications

6.314

 

At planting

$8.72

           

Bt use fees

$12.00

     

Cost + loss

$79,374,583

 

Eradication

$10.00

Total Bales lost

77,048

       

Scouting

$9.81

Bales lost in dollars

$22,189,949

 

Cost + loss/acre

$134.89

 

Total

$97.18