LITERATURE CITED

1. Lamey, H. A., D. K. McBride, R. K. Zollinger, J. L. Luecke, M. P. McMullen, and D. R. Berglund. 1992. 1990 Sunflower Grower Survey of Pest Problems and Pesticide Use in North Dakota. NDSU Ext. Serv. Extension Rpt. No. 9, 12 p.

2. Lamey, H. A., M. P. McMullen, D. R. Berglund, J. L. Luecke, D. K. McBride, and R. K. Zollinger. 1993. 1991 Sunflower Grower Survey of Pest Problems and Pesticide Use in Kansas, Minnesota and North Dakota. NDSU Ext. Serv. Extension Rpt. No. 12, 15 p.

3. Lamey, H. A., M. P. McMullen, D. R. Berglund, J. L. Luecke, D. K. McBride, and R. K. Zollinger. 1993. 1992 Sunflower Grower Suirvey of Pest Problems and Pesticide Use in Kansas, Minnesota and North Dakota. NDSU Ext. Serv. Extension Rpt. No. 14, 16 p.

4. Lamey, H. A., M. P. McMullen, J. L. Luecke, R. K. Zollinger, P. K. Glogoza and D. R. Berglund. 1996. 1994 Sunflower Grower Survey of Pest Problems and Pesticide Use in Kansas, Minnesota, North Dakota and South Dakota. NDSU Ext. Serv. Extension Rpt. No. 30, 20 p.

5. North Dakota Agricultural Statistics Service. 1998. North Dakota Agricultural Statistics 1998. Ag Statistics No. 67, 132 p.

6. USDA, National Agricultural Statistics Service. Crop Production - Acreage supplement (PCP-BB). http:/www.usda.gov/nass/pubs/pubs.htm   

ACKNOWLEDGMENTS

The authors thank Allen Helmstetter for manuscript preparation and Agnes Vernon for publication layout.

This study was supported by a grant from PIAP/USDA. The National Sunflower Association assisted with labeling and mailing of the survey forms.