Cotton Insect Losses 1991

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1 Cotton Insect Losses 1991 Compiled for National Cotton Council Robert B. Head, Chairman Cooperative Extension Service Mississippi State University Mississippi State, MS State Coordinators Alabama -- Dr. Ronald H. Smith Arkansas-- Dr. Don Johnson Arizona-- Dr. Leon Moore California-- Dr. Peter B. Goodell Florida-- Dr. R.K. Sprenkel Georgia-- Dr. William R. Lambert, III Louisiana-- Dr. James S. Tynes Mississippi-- Dr. Robert Head Missouri-- Dr. Ray Nabors New Mexico-- Dr. Charles R. Ward North Carolina-- Dr. Jack Bachelor Oklahoma-- Dr. Miles Karner South Carolina-- Dr. Mitchell Roof Tennessee-- Dr. Richard E. Caron Texas-- Dr. Ray Frisbie Virginia-- Dr. James Roberts, Sr. Background This information was provided by state coordinators and was collected from surveys of county agents, Extension specialists, private consultants and research entomologists. All data are averaged over a total reporting unit, state, etc. For example, if a unit report represents 100 acres and an eight percent loss on 25 of these acres, then in the table summary this shows up as a total 2% loss. This type of averaging is used for all data reported including yields and costs of control. Highlights It is interesting to note that aphids are estimated to have produced the greatest pest related losses in U. S. cotton in Aphid losses reported at 2.01% were followed by boll/budworms at 1.68%, boll weevils at only 0.69%, lygus at 0.47% and all other pest species caused damages less than 0.2%. Total percent losses were 5.46%; dollars lost were $282,678,760 and average costs of control were $ (Table 2) There are increasing concerns about evolving new pests. This is true for sweet potato whiteflies. These insects have been pests of cotton in California and Arizona for many years. This year there were infestations in cotton reported from Florida, Georgia, Mississippi, Tennessee and very serious problems in South Texas. We have also had reports of continued problems with soybean loopers in Georgia and Alabama cotton. In North Carolina the 1 / 17

2 European Cornborer has advanced to major pest status. There is one report of "pill bugs" as a pest in small acerage in Texas. The corn root aphid was reported as a pest in New Mexico. Key to Tables Table USDA Yield Estimates Table Summary All States Table Central Alabama Table North Alabama Table South Alabama Table Summary Alabama Table Arizona Table Arkansas Table California Table Florida Table Georgia Table Louisiana Table Mississippi Delta Table Mississippi Hills Table Mississippi Summary Table Missouri Table New Mexico Table North Carolina Table Oklahoma Table South Carolina Table Tennessee Table Texas, District 1 Table Texas, District 2 Table Texas, District 3 Table Texas, District 4 Table Texas, District 5 Table Texas, District 6 Table Texas, District 7 Table Texas, District 8 Table Texas, District / 17

3 Table Texas, District 11 Table Texas, District 12 Table Texas, District 13 Table Texas, District 14 Table Texas Summary Figure Map of Texas by Districts Table 1 USDA 1991 US CROP PRODUCTION: ALL COTTON Acres in thousands, yield in pounds per acre, production in thousand 480-pound bales UPLAND ACRES HVSTD INDIC813 YIE320LD PRODUCTION 1992/JAN /DEC.1 FINAL/1991 Alabama Arizona 359 1, Arkansas ,550 1,550 1,081 California 960 1,250 2,500 2,450 2,734 Florida Georgia Kansas Louisiana ,410 1,390 1,177 Mississippi 1, ,250 2,250 1,850 Missouri New Mexico North Carolina Oklahoma South Carolina Tennessee Texas 5, ,750 5,300 4,965 Virginia US 12, ,143 17,591 15,147 --PIMA-- Arizona California 60 1, Mississippi New Mexico Texas US ALL COTTON--- US 12, ,542 18,005 15,505 Table 2 All States Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Leaf perforator Pink bollworm Spider mites / 17

4 Thrips Beet armyworm Fall armyworm Minor pests Aphids New pests W Flower Thrips Acreage harvested: 13,022,000 Yield per acre: 1.38 Bales Percent Lost: 5.63 Dollars Lost: $290,847,460 Cost per Acre: Table 3 Alabama (Central) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 1.35 Bales Percent Lost: 7.39 Dollars Lost: 2,880,150 Cost per Acre: Table 4 Alabama (North) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus Bug Pink bollworm Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids W Flower Thrips Acreage harvested: Yield per acre: 1.15 Bales Percent Lost: Dollars Lost: 3,654,000 Cost per Acre: / 17

5 Table 5 Alabama (South) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus bugs Pink bollworms Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per Acre: 1.56 Bales Percent Lost: 8.12 Dollars Lost: 3,654,000 Cost per Acre: Table 6 Alabama (Summary) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus bug Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 1.30 Bales Percent Lost: 9.33 Dollars Lost: 14,305,650 Cost per Acre: Table 7 Arizona Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Leaf perforator Pink bollworm Spider mites / 17

6 Thrips Beet armyworm Minor Pests Aphids W Flower Thrips Acreage harvested: Yield per Acre: 2.71 Bales Percent Lost: 3.18 Dollars Lost: 11,160,240 Cost per Acre: Table 8 Arkansas Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bug Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 1.63 Bales Percent Lost: 1.94 Dollars Lost: 8,665,696 Cost per Acre: Table 9 California Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus bugs Pink bollworms Spider mites Thrips Beet armyworm Minor Pests Aphids W Flower Thrips Acreage harvested: Yield per acre: 2.59 Bales Percent Lost: 0.37 Dollars Lost: 2,533,655 Cost per Acre: 8.09 Table 10 Florida Cotton Insect Losses for / 17

7 Boll Weevils Boll/Bud worms Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests Acreage harvested: Yield per Acre: 1.48 Bales Percent Lost: 4.18 Dollars Lost: 889,701 Cost per Acre: Table 11 Georgia Cotton Insect Losses for 1991 Pest Acres Infested Above Treat Thresholds # Insect Applicat Cost of 1 Applicat % Yield Applicat Bales Lost Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids W Flower Pests Acreage harvested: Yield per Acre: 1.63 Bales Percent Lost: 1.15 Dollars Lost: 2,281,500 Cost per Acre: Table 12 Louisiana Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Fall armyworm Minor Pests / 17

8 Aphids W Flower Thrips Acreage harvested: Yield per acre: 1.67 Bales Percent Lost: 6.61 Dollars Lost: 24,634,566 Cost per Acre: Table 13 Mississippi (Delta) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per Acre: 2.06 Bales Percent Lost: 3.85 Dollars Lost: 6,510,604 Cost per Acre: Table 14 Mississippi (Hill) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 1.46 Bales Percent Lost: 3.85 Dollars Lost: 8,087,100 Cost per Acre: Table 15 Mississippi (Summary) Cotton Insect Losses for 1991 Pest Acres Infested Above Treat Thresholds # Insect Applicat Cost of 1Applicat % Yield Reduction Bales Lost 8 / 17

9 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 1.81 Bales Percent Lost: 2.25 Dollars Lost: 14,597,704 Cost per Acre: Table 16 Missouri Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Lygus bugs Spider mites Thrips Fall armyworm Minor Pests Aphids Acreage harvested: Yield per acre: 1.35 Bales Percent Lost: 9.25 Dollars Lost: 9,018,750 Cost per Acre: Table 17 New Mexico Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Pink bollworm Spider mites Thrips Beet armyworm Fall armyworm / 17

10 Minor Pests Aphids New Pests Acreage harvested: Yield per acre: 1.30 Bales Percent Lost: Dollars Lost: 3,479,312 Cost per Acre: Table 18 North Carolina Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Spider mites Thrips Fall armyworm Eur corn borer Aphids Acreage harvested: Yield per acre: 1.30 Bales Percent Lost: Dollars Lost: 21,903,780 Cost per Acre: Table 19 Oklahoma Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 0.71 Bales Percent Lost: 3.55 Dollars Lost: 2,895,270 Cost per Acre: Table 20 South Carolina Cotton Insect Losses for 1991 Boll Weevil / 17

11 Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Beat armyworm Fall armyworm Minor Pests Aphids W Flower Thrips Acreage harvested: Yield per Acre: 1.56 Bales Percent Lost: 3.31 Dollars Lost: 3,096,000 Cost per Acre: Table 21 Tennessee Cotton Insect Losses for 1991 Boll Weevil Boll/Bud worms Lygus bugs Spider mites Thrips Fall armyworm Minor Pests Aphids New Pests Acreage harvested: Yield per acre: 1.03 Bales Percent Lost: 1.69 Dollars Lost: 3,072,693 Cost per Acre: 8.14 Table 22 Texas (District 1) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Minor pests Aphids / 17

12 Acreage harvested: Yield per acre: 0.68 Bales Percent Lost: 6.20 Dollars Lost: 955,500 Cost per Acre: 7.37 Table 23 Texas (District 2) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Fall armyworm Minor Pests Aphids Acreage harvested: Yield per acre: 1.00 Bales Percent Lost: Dollars Lost: 101,303,580 Cost per Acre: Table 24 Texas (District 3) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Leaf perforator Spider mites Thrips Fall armyworm Minor Pests Aphids Acreage harvested: Yield per acre: 0.54 Bales Percent Lost: 7.70 Dollars lost: 8,104,200 Cost per Acre: Table 25 Texas (District 4) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips / 17

13 Minor Pests Aphids Acreage harvested: Yield per acre: 0.00 Bales Percent Lost: 4.69 Dollars Lost: 3,038 Cost per Acre: Table 26 Texas (District 6) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Leaf Perforator Pink bollworm Spider mites Thrips Beet armyworm Minor Pests Aphids Acreage harvested: Yield per acre: 0.78 Bales Percent Lost: Dollars Lost: 9,771,750 Cost per Acre: Table 27 Texas (District 7) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids Acreage harvested: Yield per acre: 0.68 Bales Percent Lost: 9.03 Dollars Lost: 4,842,338 Cost per Acre: Table 28 Texas (District 8) Cotton Insect Losses for 1991 Boll Weevils / 17

14 Boll/Bud worms Fleahopper Lygus bugs Leaf perforator Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 1.04 Bales Percent Lost: Dollars Lost: 11,601,000 Cost per Acre: Table 29 Texas (District 10) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 1.36 Bales Percent Lost: 1.71 Dollars Lost: 1,049,467 Cost per Acre: Table 30 Texas (District 11) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Spider mites Thrips Minor Pests Aphids / 17

15 Acreage harvested: Yield per acre: 1.98 Bales Percent Lost: 2.32 Dollars Lost: 1,587,165 Cost per Acre: Table 31 Texas (District 12) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Leaf perforator Spider mites Thrips Beet armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 0.96 Bales Percent Lost: 7.90 Dollars Lost: 7,979,160 Cost per Acre: Table 32 Texas (District 13) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 1.56 Bales Percent Lost: Dollars Lost: 4,311,000 Cost per Acre: Table 33 Texas (District 14) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper / 17

16 Lygus bugs Leaf perforator Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 1.74 Bales Percent Lost: 7.80 Dollars Lost: 14,610,546 Cost per Acre: Table 34 Texas (Summary) Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Fleahopper Lygus bugs Leaf perforator Pink bollworm Spider mites Thrips Beet armyworm Fall armyworm Minor Pests Aphids New Pests W Flower Thrips Acreage harvested: Yield per acre: 0.97 Bales Percent Lost: Dollars Lost: 166,118,744 Cost per Acre: Table 35 Virginia Cotton Insect Losses for 1991 Boll Weevils Boll/Bud worms Pink bollworms Spider mites Thrips Minor Pests Aphids Acreage harvested: Yield per acre: 0.97 Bales 16 / 17

17 Percent Lost: 3.99 Dollars Lost: 315,000 Cost per Acre: / 17

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