The History of Leafy Spurge Control in North Dakota (continued)

Keywords

Introduction

Discovery

Pre-War Control and Education

Post-War Control and Education

Conclusion/
Implications

Future Research
Needs

References

Project
Background

2. Barnett, H. L., and H. C. Hanson. 1934. Control of leafy spurge and review of literature on chemical weed control. North Dakota Agric. Coll. Exp. Sta. Bull. 277. 32 p.

3. Britton, N. L. 1921. The leafy spurge becoming a pest. J. New York Bot. Gard. 22:73-73.

4. Hanson, H. C. 1934. Leafy spurge. North Dakota Agric. Coll. Exp. Stn. Cir. 55. 4 p.

5. Hanson, H. C., and W. Kluender. 1936. Leafy spurge. North Dakota Agric. Coll. Exp. Stn. Cir. 141. 4 p.

6. Hanson, H. C., and V. E. Rudd. 1933. Leafy spurge life history and habits. North Dakota Agric. Coll. Exp. Stn. Bull. 266. 24 p.

7. Helgeson, E. A. 1953. Breaking dormancy of leafy spurge buds with potassium gibberellate. North Dakota Farm Res. 20(6):13-14.

8. Helgeson, E. A., and L. A. Jensen. 1959. Leafy spurge control. North Dakota Agric. Coll., Ext. Ser. Cir. A-295.

9. Helgeson, E. A., D. E. Kratochvil, and R. B. Widdifield. 1952. Leafy spurge control. North Dakota Agric. Coll., Ext. Ser. Cir. A-178.

10. Helgeson, E. A. and J. H. Longwell. 1942. Control of leafy spurge by sheep. North Dakota Bimonthly Bull. 4(5):10-12.

11. Helgeson, E. A., and E. J. Thompson. 1938. Control of leafy spurge by sheep grazing. North Dakota Bimonthly Bull. 1(1):14.

12. Helgeson, E. A., and E. J. Thompson. 1939. Control of leafy spurge by sheep. North Dakota Bimonthly Bull. 2(2):5-9.

13. Kill costly leafy spurge. North Dakota Farmer. 1966 May 21:10 (col. 2 to 4).

14. Leary, W. J. 1944. Control of creeping jenny and leafy spurge. North Dakota Agric. Coll. Exp. Stn. Circ. A-73.

15. Messersmith, C. G., and R. G. Lym. 1990. Leafy spurge control: 10 years of research enhancement. North Dakota Farm Res. 47(6):3-6.

16. Mitich, L. 1963 - 1979. Personal correspondence file. Plant Sci. Dep., North Dakota State Univ. Fargo, ND 58105.

17. Mitich, L. W. 1967. Leafy spurge fight set for 1967. Agr. Info. Dep. North Dakota State Univ. Coll. Agric. Feb. 6, 1967 release.

18. Mitich, L. W. 1973. Leafy spurge control. North Dakota State Univ., Ext. Ser. Cir. W-295R.

19. Mitich, Larry W., and L. A. Jensen. 1965. Leafy spurge control. North Dakota State Univ., Ext. Ser. Cir. A-295.

20. New European weed pest. The New York Herald. 1921. Feb. 9; Editorial sect:8 (col. 4 to 5).

21. Porter, W. R., and O. A. Stevens. 1919. Sow thistle and other weeds of similar habits. North Dakota Agric. Coll. Cir. 18. 12 p.

22. Rudd, Velva. 1932. An ecological study of leafy surge. North Dakota Agric. Coll. M.S. Thesis. 33 p.

23. Study of five principal weeds made by board. North Dakotan, Greater North Dakota Association. 1936 May; 11(5):2 (col 2 to 3).

24. Waldron, L. R. 1903. Noxious weeds and how to control them. North Dakota Agric. Coll. Bull. 56. 44 p.

25. Welch, Guy. Personal communication. North Dakota Weed Control Laws. Chapter 63-01 to 63-04, and state leafy spurge infestation acreage by county. North Dakota Dep. of Agric. Oct. 1963.

26. Widdifield, R. B. May 6, 1953 memo to North Dakota county agents.

27. Widdifield, R. B. 1953. Leafy spurge survey shows control need. Unpublished NDAC extension agronomist report.

Project Background

Corresponding author
Rodney G. Lym, Professor
Department of Plant Sciences
North Dakota State University
Fargo, ND 58105
lym@plains.nodak.edu

Location where the research was (primarily) done
Agriculture Experiment Station, North Dakota State University, Fargo

Funding source of the project
Agriculture Experiment Station, North Dakota State University, Fargo

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