1997 Sunflower Grower Survey of Pest Problems and Pesticide Use 

LIST OF TABLES

Table 1. Growers contacted and responses in 1997.
Table 2. Total acres planted and acres planted by respondents in 1997.
Table 3. Sunflower acres planted and harvested by respondents in 1997.
Table 4. Confection sunflower acres planted by respondents in 1997 (data derived from Table 3).
Table 5. Irrigated acres of sunflower in 1997.
Table 6. Major sunflower producing counties represented by 1997 survey.a
Table 7. Sunflower planting dates in 1997.
Table 8. Sunflower yields in 1997.
Table 9. Worst production problems in 1997.
Table 10. Worst insect problem in 1997.
Table 11. Acres of sunflower treated with insecticides by respondents in 1997.
Table 12. Method of insecticide application on sunflower in 1997.
Table 13. Number of insecticide applications on sunflower in 1997.
Table 14. Insecticide use on sunflower in 1997.
Table 15. Total parathion use on sunflower in 1997.
Table 16. Targeted insect species for all insecticides used on sunflower in 1997.
Table 17. Targeted insect species for Asana XL used on sunflower in 1997a.
Table 18. Method of Asana XL application on sunflower in 1997a.
Table 19. Asana XL rates used on sunflower in 1997.
Table 20. Insect control ratingsa for insecticides used on sunflowers in 1997.
Table 21. Targeted insect species for parathion used on sunflower in Kansas in 1997.
Table 22. Method of parathiona application on sunflower in 1997.
Table 23. Methyl parathion rates used on sunflower in Kansas in 1997.
Table 24. Targeted insect species for Warrior used on sunflower in Kansas and North Dakota in 1997.
Table 25. Method of Warrior application to sunflower in 1997a.
Table 26. Warrior rates used on sunflower in Kansas and North Dakota in 1997.
Table 27. Use of non-chemical insect control in 1997.
Table 28. Worst weed problem in 1997.
Table 29. Herbicide use on sunflower in 1997.
Table 30. Desiccant use on sunflower in 1997.
Table 31. Number of herbicide applications used on sunflower in 1997.
Table 32. Method of herbicide application to sunflower in 1997.
Table 33. Weed species targeted by herbicides used on sunflower in 1997.
Table 34. Weed species targeted by Assert used on sunflower in Minnesota and North Dakota in 1997.
Table 35. Method of application of Assert to sunflower in Minnesota and North Dakota in 1997a.
Table 36. Assert rates used on sunflower in Minnesota and North Dakota in 1997a.
Table 37. Effectiveness of herbicidesa on weed control in sunflower in 1997.
Table 38. Weed species targeted by Poast used on sunflower in 1997.
Table 39. Method of application of Poast to sunflower in 1997a.
Table 40. Poast rates used on sunflower in Minnesota and North Dakota in 1997a.
Table 41. Weed species targeted by spring-applied Prowl used in Kansas and South Dakota on sunflower in 1997a.
Table 42. Method of application of spring applied Prowl to sunflower in 1997a.
Table 43. Spring-applied Prowl rates used on sunflower in 1997a.
Table 44. Weed species targeted by pre-plant Roundup used on sunflower in North and South Dakota in 1997a.
Table 45. Method of application of pre-plant Roundup to sunflower in 1997a.
Table 46. Pre-plant Roundup rates used on sunflower in North and South Dakota in 1997a.
Table 47. Weed species targeted by spring-applied Sonalan used on sunflower in 1997a.
Table 48. Method of application of spring-applied Sonalan to sunflower in 1997a.
Table 49. Spring-applied Sonalan rates used on sunflower in 1997a.
Table 50. Weed species targeted by fall-applied trifluralin used on sunflower in North Dakota in 1997.
Table 51. Method of application of fall-applied trifluralin to sunflower in North Dakota in 1997.
Table 52. Fall-applied trifluralin rates used on sunflower in North Dakota in 1997.
Table 53. Weed species targeted by spring-applied trifluralin used on sunflower in 1997.
Table 54. Method of application of spring-applied trifluralin to sunflower in 1997.
Table 55. Spring-applied trifluralin rates used on sunflower in 1997.
Table 56. Acres cultivated in 1997.
Table 57. Number of cultivations used on sunflower in 1997.
Table 58. Worst disease problem in 1997.
Table 59. Percent lodging due to Sclerotinia in 1997.
Table 60. Percent Sclerotinia head rot in 1997.
Table 61. Percent lodging due to Phoma in 1997.
Table 62. Acres planted to Apron-treated seed in 1997.
Table 63. Use of Folicura fungicide on sunflower in Kansas and North Dakota in 1997.
Table 64. Non-chemical disease management in 1997.
Table 65. Hybrids affected by Sclerotinia in 1997.
Table 66. Estimated sunflower yield loss due to bird damage in 1997.
Table 67. Bird species causing sunflower yield loss in 1997.
Table 68. Bird control costs in 1997.
Table 69. Bird control costs per respondent in 1997.