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Faculty

Department of Plant Sciences

Bill Stump
 

Contact Information:
Office: Ag C 4032
Email: wstump@uwyo.edu
Phone: (307) 766-2062

Bill Stump

Assistant Professor Plant Pathology

Education

Ph.D., Weed Science, Colorado State University, 1997 
B.F.A., Graphic Design, Colorado State University, 1991
M.S., Weed Science, Colorado State University, 1984
B.S., Plant Protection, Purdue University, 1981


Professional Experience

  • 2014-present: Assistant Professor Plant Pathology, Dept. of Plant Sciences, University of Wyoming.
  • 1998-2014: Research Scientist, Plant Pathology, Dept. of Plant Sciences, University of Wyoming.
  • 1995-1998: Research Associate, Plant Pathology, Dept. of Plant Sciences, University of Wyoming.
  • 1988-1995: Research Associate, Weed Science, Dept. of Bioagricultural Science and Pest Management, Colorado State University. 
  • 1985-1986: Area Integrated Pest Management Coordinator, Sheridan/Johnson counties, Wyoming, University of Wyoming Cooperative Extension Service.

Honors and Awards

  • 2015-present: Associate Editor (Plant Pathology) Journal of Sugar Beet Research
  • 2013-present: Department representative Gamma Sigma Delta
  • 2008-12: University of Wyoming Gamma Sigma Delta Chapter officer
  • 1995: Bert Bohmont Graduate Student Award for Excellence in Extension Education
  • 1983: Gamma Sigma Delta

Academic Expertise
  • Plant disease management of potato, sugar beets, small grains and dry beans
  • Biology and ecology of winter annual grasses
  • Weed seed bank dynamics
  • Plant growth analysis

Current Research

  • Disease management in small grains, dry beans, potatoes, and sugar beets
  • Rhizoctonia solani management in Sugar beet
  • Cercospora beticola biology/ecology and resistance management.
  • The role of seed-borne inoculum on Early Blight and Late Blight of Potato epidemiology
  • Microbial biodiversity associated with cloud water and snow in the Rocky Mountains

Refereed Journal Publications

Rosenzweig, N., L.E. Hanson, G. Clark , G.D. Franc, W.L. Stump, Q.W. Jiang, J. Stewart and Kirk, W. W. (2014). Use of PCR-RFLP Analysis to Monitor Fungicide Resistance in Cercospora beticola Populations from Sugarbeet (Beta vulgaris) in Michigan, United States. Plant Disease. “First Look” paper. Http://dx.doi.org/10.1094/PDIS-03-14-0241-RE

Hill, T.C.J., Georgakopoulos, D., DeMott, P.J., Moffett, B.F., Stump. W.L. and Franc, G.D. (2014) Ice nucleation active bacteria on plants and in precipitation measured using quantitative PCR. Appl. Environ. Microbiol. Vol. 80 no. 4 1256-1267.

Kirk W.W., Hanson L.E., Franc G.D., Stump W.L., Gachango E., Clark G., Stewart J., 2012. First report of strobilurin resistance in Cercospora beticola in sugar beet (Beta vulgaris) in Michigan and Nebraska, USA. New Disease Reports 26, 3. [http://dx.doi.org/10.5197/j.2044-0588.2012.026.003 

Stump, W.L., G.D. Franc, R.M. Harveson, and R.G. Wilson. 2004. Strobilurin fungicide timing for Rhizoctonia root and crown rot suppression in sugarbeet. J. of Sugar Beet Res. 41:17-37.

Stump, W.L., G.D. Franc, S.D. Miller and R.G. Wilson. 2002. Azoxystrobin and post emergence herbicide combinations for Rhizoctonia and weed management in sugar beet. J. of Sugar Beet Res. 39:37-58.

Stump, W.L. and P. Westra. 2000. The seedbank dynamics of feral rye (Secale cereale). Weed Technol. 14:7-14.

Other Reviewed Publications

Stump, W.L. 2015. Potato early blight management in Wyoming with GWN-10126 combinations, 2014. Plant Disease Management Reports 9:V034. Online publication. DOI:10.1094/PDMR09.

Stump, W.L. 2015. Management of potato diseases with in-furrow fungicide treatments, 2014. Plant Disease Management Reports 9:V035. Online publication. DOI:10.1094/PDMR09.

Stump, W.L. 2015. Early blight management in potato with Luna Tranquility combinations, 2014. Plant Disease Management Reports. 9:V036. Online publication.  DOI:10.1094/PDMR09.

Stump, W.L. 2015. Management of Cercospora leaf spot with foliar fungicide programs, 2014. Plant Disease Management Reports 9:FC125. Online publication.  DOI:10.1094/PDMR09.

Stump, W.L. 2015. In-furrow fungicide treatments to manage sugar beet diseases caused by Rhizoctonia, 2014. Plant Disease Management Reports 9:FC126. Online publication.  DOI:10.1094/PDMR09.

Stump, W.L. 2015. Management of Rhizoctonia seedling decay with in-furrow and foliar fungicide applications in sugar beet, 2013. Plant Disease Management Reports 9:FC093. Online publication.  DOI:10.1094/PDMR09.

Stump, W.L. 2015. Management of Rhizoctonia seedling decay with in-furrow and sequential foliar banded fungicide applications in sugar beet, 2013. Plant Disease Management Reports 9:FC092. Online publication. DOI:10.1094/PDMR09.

Stump, W.L. 2015. In-furrow fungicide programs to manage potato diseases, 2013. Plant Disease Management Reports 9:V041. Online publication. DOI:10.1094/PDMR09.

Stump, W.L. 2015. Luna Tranquility combinations for management of potato early blight, 2013. Plant Disease Management Reports 9:V042. Online publication. DOI:10.1094/PDMR09.

 

Stump, W. L and G.D. Franc. 2013. Potato stem decline management with foliar fungicides, 2012. Plant Disease Management Reports 7:V113. Online publication. DOI:10.1094/PDMR07. 

Stump, W. L and G.D. Franc. 2013. Managing seed introduced potato late blight with seed piece treatments, 2012. Plant Disease Management Reports 7:ST020. Online publication. DOI:10.1094/PDMR07. 

Stump, W. L and G.D. Franc. 2013. Rhizoctonia root and crown rot management with foliar banded and broadcast fungicide applications, 2012. Plant Disease Management Reports 7:FC122. Online publication. DOI:10.1094/PDMR07. *

Stump, W. L and G.D. Franc. 2013. Management of Rhizoctonia seedling decay in sugar beet with in-furrow fungicide applications, 2012. Plant Disease Management Reports 7:FC123. Online publication. DOI:10.1094/PDMR07. 

Franc, G.D., and W.L. Stump. 2012. Fungicide efficacy and timing effects for potato early blight suppression, 2011. Plant Disease Management Reports 6:V146. Online publication. DOI:10.1094/PDMR06. 

Franc, G.D., and W.L. Stump. 2012. Botrytis gray mold management in potato with Omega Top MC fungicide, 2011. Plant Disease Management Reports 6:V145. Online publication. DOI:10.1094/PDMR06.

Franc, G.D., and W.L. Stump. 2012.  Potato stem decline management with foliar fungicide programs, 2011. Plant Disease Management Reports 6:V144. Online publication. DOI:10.1094/PDMR06.

Franc, G.D., and W.L. Stump. 2012.  Management of Rhizoctonia seedling decay with in-furrow fungicide applications in sugar beet, 2011. Plant Disease Management Reports 6:FC080. Online publication. DOI:10.1094/PDMR06.

Franc, G.D., W.L. Stump and J. Nachtman. 2011. Management of disease in irrigated spring barley with foliar fungicides, 2010. Plant Disease Management Reports 5:CF030. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., W.L. Stump and J. Nachtman. 2011. Winter wheat seed treatments for management of foliar and soil-borne diseases in irrigated winter wheat, 2010. Plant Disease Management Reports 5:CF031. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., and W.L. Stump. 2011. Stripe rust management in irrigated winter wheat with foliar fungicides, 2010. Plant Disease Management Reports 5:CF032. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., and W.L. Stump. 2011. Potato early blight management with foliar fungicide programs in the High Plains, 2010. Plant Disease Management Reports 5:V150. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., and W.L. Stump. 2011. Potato late blight management with foliar fungicide programs in the High Plains, 2010. Plant Disease Management Reports 5:V151. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., and W.L. Stump. 2011. Black dot disease management with foliar fungicide programs in the High Plains, 2010. Plant Disease Management Reports 5:V174. Online publication. DOI:10.1094/PDMR05.

Franc, G.D., and W.L. Stump. 2010. Management of Rhizoctonia root and crown rot of sugar beet with banded fungicides, 2009. Plant Disease Management Reports 4:FC007. Online publication. DOI:10.1094/PDMR04. 

Franc, G.D., and W.L. Stump. 2010. Cercospora leaf spot management with foliar fungicide programs, 2009. Plant Disease Management Reports 4:FC006. Online publication. DOI:10.1094/PDMR04.

Franc, G.D., and W.L. Stump. 2010. Effects of fungicide application method and timing on Rhizoctonia root and crown rot management, 2009. Plant Disease Management Reports 4:FC008. Online publication. DOI:10.1094/PDMR04.

Franc, G.D., W.L. Stump and J.T. Cecil. 2010. Management of sugar beet cyst nematode via in-furrow and foliar banded applications of Vydate C-LV, 2009. Plant Disease Management Reports 4:N006. Online publication. DOI:10.1094/PDMR04.

Franc, G.D., and W.L. Stump. 2010. Management of potato early blight with foliar fungicide programs, 2009. Plant Disease Management Reports 4:V036. Online publication. DOI:10.1094/PDMR04.

Franc, G.D., and W.L. Stump. 2008. Rhizoctonia root and crown rot management in Roundup Ready Beets, 2007. Plant Disease Management Reports (online) PDMR02:FC019. DOI: 10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., and W.L. Stump. 2008. Rhizoctonia root and crown rot management with banded foliar fungicide applications, 2007. Plant Disease Management Reports (online) PDMR02:FC020. DOI: 10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., and W.L. Stump. 2008. Cercospora leaf spot management with foliar fungicide programs, 2007. Plant Disease Management Reports (online) PDMR02:FC021. DOI: 10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., and W.L. Stump. 2008. Management of potato early blight with foliar fungicide programs, 2007. Plant Disease Management Reports (online) PDMR02:V012. DOI: 10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., and W.L. Stump. 2008. Barley head-mold management with foliar fungicides, 2007. Plant Disease Management Reports (online) PDMR02:CF016. DOI: 10.1094/PDMR02. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump 2006. Rhizoctonia root and crown rot management in sugar beet with banded fungicide applications, 2005. Fungicide and Nematicide Tests (online) Report 61:FC050. DOI:10.1094/FN61 The American Phytopathological Society, St. Paul, MN.

Stump, W.L. and G.D. Franc 2006. Cercospora leaf spot management in sugar beet with foliar fungicide programs, 2005. Fungicide and Nematicide Tests (online) Report 61:FC051. DOI:10.1094/FN61. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump 2006. Potato black dot management with fungicide programs, 2005. Fungicide and Nematicide Tests (online) Report 61:V047. DOI:10.1094/FN61. The American Phytopathological Society, St. Paul, MN 

Stump, W.L. and G.D. Franc 2006. Management of potato early blight with foliar fungicide programs, 2005. Fungicide and Nematicide Tests (online) Report 61:V046. DOI:10.1094/FN61. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., and G.D. Franc. 2005. Rhizoctonia root and crown rot management with a single banded fungicide application to sugar beet, 2004. Fungicide and Nematicide Tests (online) Report 60:FC073. DOI:10.1094/FN60. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., and G.D. Franc. 2005. Management of early blight disease in potato with foliar fungicide programs, 2004. Fungicide and Nematicide Tests (online) Report 60:V094. DOI:10.1094/FN60. The American Phytopathological Society, St. Paul, MN.

Stump, W.L and G.D. Franc. 2004. Rhizoctonia root and crown rot management with banded fungicide applications to sugar beet, 2003. Fungicide and Nematicide Tests (online) Report 59:FC007. DOI:10.1094/FN59. The American Phytopathological Society, St. Paul, MN.

Stump, W.L and G.D. Franc. 2004. Cercospora leaf spot management in sugar beet with foliar fungicides, 2003. Fungicide and Nematicide Tests (online) Report 59:FC008. DOI:10.1094/FN59. The American Phytopathological Society, St. Paul, MN.

Stump, W.L, G.D. Franc, and R.M. Spence. 2004. Management of foliar potato diseases with foliar fungicide programs, 2003. Fungicide and Nematicide Tests (online) Report 59:V038. DOI:10.1094/FN59. The American Phytopathological Society, St. Paul, MN.

Stump, W.L. and G.D. Franc. 2003. Effects of banded fungicides on Rhizoctonia root and crown rot development in sugar beet, 2002. Fungicide and Nematicide Tests (online) Report 58:FC029. DOI:10.1094/FN58.  The American Phytopathological Society, St. Paul, MN.

Stump, W.L. and G.D. Franc. 2003. Cercospora leaf spot and powdery mildew management in sugar beet with foliar fungicide programs, 2002. Fungicide and Nematicide Tests (online) Report 58:FC030. DOI:10.1094/FN58. The American Phytopathological Society, St. Paul, MN.

Stump, W.L. and G.D. Franc. 2003. The effects of foliar fungicide programs on foliar and tuber diseases in potato, 2002. Fungicide and Nematicide Tests (online) Report 58:V059. DOI:10.1094/FN58. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., G.D. Franc, and S.C. Briere. 2002. Evaluations of foliar fungicide programs for early blight management in potato, 2001. Fungicide and Nematicide Tests (online.) Report 57:V074. DOI: 10.1094/FN57. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., G.D. Franc, and S.C. Briere. 2002. Timing of Quadris and Flint applications for Rhizoctonia root and crown rot management in sugar beet, 2001. Fungicide and Nematicide Tests (online.) Report 57:FC74. DOI: 10.1094/FN57. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., G.D. Franc, and S.C. Briere. 2002. Effect of Quadris placement for Rhizoctonia root and crown rot management in sugar beet, 2001. Fungicide and Nematicide Tests (online.) Report 57:FC72. DOI: 10.1094/FN57. The American Phytopathological Society, St. Paul, MN.

Stump, W.L., G.D. Franc, and S.C. Briere. 2002. Cercospora leaf spot management in sugar beet with foliar fungicide programs, 2001. Fungicide and Nematicide Tests (online.) Report 57:FC71. DOI: 10.1094/FN57. The American Phytopathological Society, St. Paul, MN. 

Stump, W.L., G.D. Franc, and S.C. Briere. 2001. Dry Bean Rust Management with Foliar Fungicides, 2000. Fungicide and Nematicide Tests 56:FC33. APS Press, St. Paul, MN. Online publication (www.APSnet.org)

Stump, W.L. and G.D. Franc. 2001. Early Blight and Late Blight Disease Management in Potato with Foliar Fungicide Programs, 2000. Fungicide and Nematicide Tests 56:V55. APS Press, St. Paul, MN. Online publication (www.APSnet.org)

Stump, W.L. and G.D. Franc. 2001. Early Blight Disease Management in Potato with Generic Foliar Fungicides, 2000. Fungicide and Nematicide Tests 56:V56. APS Press, St. Paul, MN. Online publication (www.APSnet.org)

Stump, W.L., G.D. Franc, and S.C. Briere. 2001. Timing of Quadris and Flint Applications for Rhizoctonia Root and Crown Rot Management in Sugar Beet, 2000. Fungicide and Nematicide Tests 56:V94. APS Press, St. Paul, MN. Online publication (www.APSnet.org)

Stump, W.L., G.D. Franc, and S.C. Briere. 2001. Cercospora Management in Sugar Beet with Foliar Fungicide Programs, 2000. Fungicide and Nematicide Tests 56:V95. APS Press, St. Paul, MN online publication (www.APSnet.org). APS Press, St. Paul, MN. Online publication (www.APSnet.org)

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Dry bean rust management with foliar fungicides, 1999. Fungicide and Nematicide Tests 55:361. The American Phytopathological Society, St. Paul, MN 

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Cercospora management in sugar beet with foliar fungicide programs, 1999. F&N Tests 55:411-412. The American Phytopathological Society, St. Paul, MN. 

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Rhizoctonia root and crown rot management in sugar beet using Quadris, 1999. F&N Tests 55:413. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Potato late blight management with seedpiece fungicide treatments, 1999. F&N Tests 55:457. The American Phytopathological Society, St. Paul, MN 

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Early blight and late blight disease management in potato with foliar fungicide programs; I, 1999. F&N Tests 55:232-233. The American Phytopathological Society, St. Paul, MN 

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Early blight and late blight disease management in potato with foliar fungicide programs; II, 1999. F&N Tests 55:234. The American Phytopathological Society, St. Paul, MN 

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Potato pink rot management with mefenoxam, 1999. F&N Tests 55:235. The American Phytopathological Society, St. Paul, MN  

Stump, W.L., G.D. Franc, and S.C. Briere. 2000. Silver scurf and potato tuber disease management with foliar fungicide programs, 1999. F&N Tests 55:236. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 1999. Management of Bean Rust with Foliar Fungicides in Wyoming, 1998. F&N Tests 54:549. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 1999. Potato Foliar Diseases Management in Wyoming; I, 1998. F&N Tests 54:214. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 1999. Potato Foliar Diseases Management in Wyoming; II, 1998. F&N Tests 54:215. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 1999. Management of Foliar Sugar Beet Diseases in Wyoming, 1998. F&N Tests 54:423. The American Phytopathological Society, St. Paul, MN.  

Stump, W.L., G.D. Franc, and S.C. Briere. 1999. Seedpiece Treatments to Manage Potato Late Blight, 1998. F&N Tests 54:452. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and S.C. Briere. 1998. Bean Rust Management in Wyoming, 1997. F&N Tests 53:130. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and S.C. Briere. 1998. Management of Potato Early Blight with Foliar Fungicides, 1997.  F&N Tests 53:195. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and S.C. Briere. 1998. Management of Potato Late Blight with Fungicides: I, 1997. F&N Tests 53:188. The American Phytopathological Society, St. Paul, MN. 

Franc, G.D., W.L. Stump, and J.T. Cecil. 1998. Management of Potato Late Blight with Fungicides: II, 1997. F&N Tests 53:189. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and J.T. Cecil. 1998. Management of Foliar Sugarbeet Diseases with Tilt, 1997. F&N Tests 53:242. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., W.L. Stump, and S.C. Briere. 1998. Potato Disease Management with Seedpiece Treatments, 1997. F&N Tests 53:398. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and S.C. Briere. 1998. Seedpiece Treatments to Manage Late Blight of Potato, 1997. F&N Tests 53:399. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and J.T. Cecil. 1997. Bean Rust Management in Wyoming, 1996. F&N Tests 52:94. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., W.L. Stump, and J.T. Cecil. 1997. Foliar fungicides for potato early blight management in Wyoming, 1996. F&N Tests 52:143-144. The American Phytopathological Society, St. Paul, MN.  

Franc, G.D., W.L. Stump, and J.T. Cecil. 1997. Seedpiece and foliar treatments for management of potato diseases, 1996. F&N Tests 52:145. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., W.L. Stump, and J.T. Cecil. 1997. In-furrow fungicide treatments for control of seedling diseases of sugar beet, 1996. F&N Tests 52:243. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump. 1996. Bean rust management in Wyoming, 1995. F&N Tests 51:92. The American Phytopathological Society, St. Paul, MN.

Franc, G.D., W.L. Stump, and C.M-S Beaupré. 1996. Bean rust management in Wyoming and Colorado, 1994. F&N Tests 51:93. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump. 1996. Fungicide evaluation for potato early blight management in Wyoming, 1995. F&N Tests 51:123. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump. 1996. Evaluations of foliar fungicides for potato early blight management, 1993. F&N Tests 51:124. The American Phytopathological Society, St. Paul, MN.

Franc, G.D. and W.L. Stump. 1996. Evaluation of in-furrow and foliar treatments for management of potato diseases, 1995. F&N Tests 51:125. The American Phytopathological Society, St. Paul, MN.


Professional Presentations

Stump, W.L. Nov.3, 2015. University of Wyoming plant pathology and disease clinic. 2015 Wyoming Weed and Pest Council Business meeting. Laramie, WY (invited, ca. 50 attended).

Hilgert, C, K. Panter, W. Stump, S. Schell, and A. Latschinisky. Aug. 26, 2015. Plants, Pests and Pathogens webinar (9 connected).

Ochs, M. and W. Stump. Aug. 20, 2015. Goss’s Wilt Corn Variety Trial. SAREC Field Day. Lingle, WY. (invited, ca. 60 attended).

Stump, W.L. 2015. Management of Rhizoctonia diseases of sugar beet under a replant scenario with various fungicide application methods in the High Plains. SAREC Field Day. Lingle, WY. (poster, ca. 100 attended).

Stump, W.L. Aug. 12, 2015. Advanced Master Gardener Training, Plant Disease Diagnostics. Laramie, WY. (invited, 12 attended).

Hilgert, C, K. Panter, W. Stump, S. Schell, and A. Latschinisky. Aug. 26, 2015. Plants, Pests and Pathogens webinar (9 connected).

Hilgert, C, K. Panter, W. Stump, S. Schell, and A. Latschinisky. Jul. 30, 2015. Plants, Pests and Pathogens webinar (8 connected).

Hilgert, C, K. Panter, W. Stump, S. Schell, and A. Latschinisky. Jun. 25, 2015. Plants, Pests and Pathogens Webinar. (approx. 21 connected).

Stump, W.L. Apr. 29, 2015. Introduction to Plant Pathology. Master Gardener Training. Douglas, WY. (Invited, 10 attended).

Stump, W.L. Mar. 24, 2015. Introduction to Plant Pathology. Master Gardener Training. Wheatland, WY. (Invited, 17 attended).

Stump, W.L. Feb 18, 2015. Introduction to Plant Pathology. Master Gardener Training. Sundance, WY. (Invited, 12 attended).

Stump, W.L. Feb 11, 2015. Diseases of Woody Ornamentals. 2015 Wyoming Groundskeepers and Growers Association Annual Meeting. Casper, WY. (Invited, 42 attended).

Stump, W.L. Feb. 7, 2015. Rhizoctonia management in sugar beet. WESTI AG days. Worland, WY. (Invited, 16 attended).

Stump, W.L., A.P. Burkhardt and W.K. Cecil. January 19, 2015. Trials and Tests of New Chemistries for Suppression of Rhizoctonia Root and Crown Rot, Cercsopora Leaf Spot Fungicide Resistance Survey. Western Sugar Grower-Joint Research Committee Annual Meeting, Billings, MT. (Invited: ca. 45 attended).  

Stump, W.L., C. Hillgert and W.K. Cecil. Jan. 7, 2015. Diagnostic reports: Wyoming. GPDN Annual Meeting. Bozeman, MT (invited, 15 attended.

Stump, W.L., A.P. Burkardt and W.K. Cecil. Nov. 18, 2014. University of Wyoming Potato Disease Management Research Results. Colorado Area III Potato Committee. Eaton, CO (invited, 14 attended).

 

Stump, W.L. Diagnostic Update. Nov. 3, 2014. UW Extension In-Depth Training. Laramie, WY (invited, 22 attended

Stump, W.L. and Anowar Islam. Nov 1, 2014. Quinoa, a potential crop for Wyoming. Specialty crop workshop. Wheatland, WY (invited, approximately 20 attended).

Stump, W.L. Sep. 17, 2014. UW Extension Plant Pathology Program. Specialist update. Laramie, WY (invited, about 25 attended).

Stump, W.L. Aug 21, 2014. UW plant pathology research and extension program. SAREC Field Days “3 minute presentations”. Lingle, WY (invited, about 70 attended).

Stump, W.L. Aug 21, 2014. Report on UW plant pathology research efforts. SAREC  Focus Group VIP tour. Lingle, WY (invited, about 20 attended).

Stump, W.L. July 30, 2014. Sugar beet cyst nematode plot tour, Syngenta. Lingle, WY (invited, 6 attended).

Stump, W.L. July 23, 2014. SAREC sugar beet research tour, Western Sugar. Lingle, WY (invited, 26 attended).

Stump, W.L. June 9, 2014. Identification of small grain rust diseases. Training for CAPS field personnel. Laramie, WY (invited, 6  attended).

Stump, W.L. May 27, 2014. UW plant pathology research update. Presented to UCONN field trip class. SAREC, Lingle, WY (invited 10 attended).

Cecil, W.K. and W.L. Stump. January 7, 2014. 2013 Wyoming Wheat Survey Efforts. Wyoming Wheat Growers Association 2013 Annual Meeting. Albin, WY (invited, 107 attended).

Stump, W.L. November 19, 2013. Research Result Summary for Potato Disease and Insect Management. Northern Colorado Area III Potato Administrative Committee Annual Meeting and Research Reporting Seminar, Eaton, CO (invited, 15 attended).

Stump, W.L. October 8, 2013. Highlights of UW Plant Pathology Field Research Program. Joint Meeting of the Pacific North West Forage Workers and WERA 1014 Conference. Laramie, WY (Invited, 20 attended).

Stump, W.L. August 22, 2013. SAREC Plant Disease and Insect Management Research Plot Tour, SAREC field day. Lingle, WY. (100 attended).

Stump, W.L. February 22, 2013. University of Wyoming Potato Psyllid Research Results. High Plains Psyllid Group, Reporting Meeting. Sidney, NE (invited, 25 attended).

Stump, W.L., and G.D. Franc. January 21, 2013. Trials and Tests of New Chemistries for Suppression of Rhizoctonia Root and Crown Rot, Cercsopora Leaf Spot Fungicide Resistance Survey. Western Sugar Grower-Joint Research Committee Annual Meeting, Billings, MT. (Invited: ca. 50 attended).         

Stump, W.L. January 17, 2013. Aquatic Weed Control. The WWMA/WABA Rendezvous and Convention. Casper, WY (Invited, 20 attended).

Stump, W.L. January 16, 2013. Disease Management Update and Psyllid Management. The WWMA/WABA Rendezvous and Convention. Casper, WY (Invited, 30 attended).

Stump, W.L and G.D. Franc. November 13, 2012. Research Result Summary for Potato Disease and Insect Management. Northern Colorado Area III Potato Administrative Committee Annual Meeting and Research Reporting Seminar. Eaton, CO (15 attended, invited).

Stump, W.L and G.D. Franc. 2012. SAREC Plant Disease and Insect Management Research Plot Tour, SAREC field day. Lingle, WY. August 23, 2012 (70 attended).

Stump, W.L and G.D. Franc. 2012. Disease Management in Potato and Sugar beet. “Tear Down the Walls” annual meeting. SAREC. Lingle, WY August 15, 2012 (14 attended).

Stump, W.L and G.D. Franc. 2012. Disease Management in Sugar beet. Sugar Beet Researchers Tour. SAREC. Lingle, WY. July 27, 2012 (25 attended).

Stump, W.L., and G.D. Franc. January 17, 2012. Trials and Tests of New Chemistries for Suppression of Rhizoctonia Root and Crown Rot, Cercsopora Leaf Spot, and/or other Diseases of Sugarbeet. Western Sugar Grower-Joint Research Committee Annual Meeting, Denver, CO. (Invited: ca. 50 attended).         

Franc, G.D., and W.L. Stump. January 17, 2012. Rhizoctonia and Cercospora Management in Sugarbeet with Traditional and New Generation Fungicides. Western Sugar Grower-Joint Research Committee Annual Meeting, Denver, CO. (Invited: ca. 50 attended). 

Franc, G.D., and W.L. Stump. January 17, 2012. Rhizoctonia and Host Genetics Interactions. Western Sugar Grower-Joint Research Committee Annual Meeting, Denver, CO. (Invited: ca. 50 attended). 

Stump, W.L., and G.D. Franc. 2011. January 24, 2011. Rhizoctonia and Cercospora Management in Sugar Beet with Traditional and New Generation Fungicides. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY, January 24-25, 2011. (Invited: ca. 55 attended).

Franc, G.D., and W.L. Stump. 2011. January 24, 2011. Interactions with Glyphosate and Rhizoctonia Disease, Focused Survey Results for Detection of Fungicide Resistance Profiles in Cercospora beticola during the 2010 Growing Season, and Molecular Studies for Cercospora Characterization. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY, January 24-25, 2011. (Invited: ca. 55 attended).

Stump, W.L., and G.D. Franc. January 26, 2010. 2010. January 26, 2010. Plant Pathology Update. Wyoming Weed Management and Pesticide Applicator Re-certification, Casper WY. (Invited: ca. 40 attended).

Stump, W.L., and G.D. Franc. 2010. January 26, 2010. Rhizoctonia and Cercospora Management in Sugar Beet with Traditional and New Generation Fungicides, and Focused Survey Results for Detection of Fungicide Resistance Profiles in Cercospora beticola during the 2009 Growing Season. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY, January 25-26, 2010. (Invited: ca. 55 attended). 

Franc, G.D., and W.L. Stump. 2010. January 26, 2010. Rapid Diagnostics for Fungicide detection in Cercospora beticola and the Interaction of Glyphosate and the Host Disease Reaction to Rhizoctonia Root and Crown Rot. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY, January 25-26, 2010. (Invited: ca. 55 attended). 

Franc, G.D., A.R. Kniss, and W.L. Stump. February 26, 2009. 2009. Rhizoctonia root and crown rot interactions with fungicide and glyphosate in glyphosate-tolerant sugar beet. American Society for Sugar Beet Technologists 35th Biennial meeting (February 25-28, 2009). Orlando, FL. (ca. 65 attended).

Franc, G.D., W.L. Stump, J.O. Obuya, J.T. Cecil and M.D. Moore. December 9, 2009.  2009. Plant Disease Surveys and Diagnostics Efforts for the Great Plains Diagnostic Network.  Second National meeting of the NPDN, December 5-9, 2009, Miami, FL. (ca. 33 attended).

Franc, G.D., and W.L. Stump. January 26, 2009. 2009. Rhizoctonia and Cercospora Management in Sugar Beet with Traditional and New Generation Fungicides, and Focused Survey Results for Detection of Fungicide Resistance Profiles in Cercospora beticola during the 2008 Growing Season. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY, January 26-27, 2009. (Invited: ca. 52 attended).

Franc, G.D., and W.L. Stump. November 17, 2009. Research Results Summary for Potato Disease and Insect Management Chemistries and Management Options for Fungicide Resistance. Northern Colorado Area III Potato Administrative Committee Annual Meeting and Research Reporting Seminar, Eaton, CO. (15 attended, invited).

Hicks, C.P., G.D. Franc, and W.L. Stump. January 15, 2008. Prothioconazole for Management of Sugar Beet Diseases in the High Plains. Bayer Sugar Beet Researchers Meeting, Fargo, ND. (invited: ca. 32 attended). 

Stump, W.L., and G.D. Franc. January 21, 2008. Rhizoctonia and Cercospora Management in Sugarbeet with Traditional and New Generation Fungicides. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY. (Invited: ca. 52 attended).         

Franc, G.D., and W.L. Stump. January 21, 2008. Focused Survey Results for Detection of Fungicide Resistance Profiles in Cercospora beticola during the 2007 Growing Season. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY. (Invited: ca. 52 attended).                        

Franc, G.D., and W.L. Stump. January 30, 2008. Potato and Sugar Beet Disease Control in Wyoming as related to Mandipropamid and Difenoconazole. 2008 Syngenta Kick-Off, January 29-31, 2008, Las Vegas, NV. (Invited: 62 attended).         

Franc, Gary and William Stump. 2008. SAREC Plant Disease Management Research Plot Tour, SAREC field day. Lingle, WY. July 24, 2008 (100 attended)

Stump, William and Gary Franc. 2008. Fungicide Updates. Agriculture Experiment Station Annual Planning Meetings. University of Wyoming Hanson Arena Conference Room.  Laramie, WY. February 21, 2008 (invited, 12 attended).

Stump, William. 2008. Presentations on Principles of weed control, Factors Influencing Activity of Foliar and Soil Applied Herbicides, Herbicide mixtures, crop weed control, turf and ornamental weed control and aquatic weed control. Pesticide Safety and Application. University of Wyoming Beta House. Laramie, WY. December 11, 2008 (invited, 50? attended).

Stump, William. 2007. Presentations on Principles of weed control, Factors Influencing Activity of Foliar and Soil Applied Herbicides, Herbicide mixtures, crop weed control, and aquatic weed control. Pesticide Safety and Application. University of Wyoming Beta House. Laramie, WY. December 13, 2007 (invited, 50 attended).

Stump, William. 2006. Presentations on Herbicide mixtures, crop weed control, aquatic weed control and turf and ornamental weed control. Pesticide Safety and Application. University of Wyoming Beta House. Laramie, WY. January 3-6, 2006 (invited, 61 attended).

Franc, G.D., and W.L. Stump. November 9, 2006. Potato Diseases Management in the High Plains and Field Trial Results. Northern Colorado Area III Potato Administrative Committee Annual Meeting and Research Reporting Seminar, Eaton, CO. (9 attended, invited). 

Stump, William and Gary Franc. 2006. Stump, W.L., and G.D. Franc. August  4, 2006. SAREC Plant Disease Management Research Plot Tour for the Wyoming Ag Business Council. Lingle, WY. (17 attended).

Stump, William and Gary Franc. 2005. Stump, W.L., and G.D. Franc. July, 28, 2005. SAREC Plant Disease Management Research Plot Tour for the Wyoming Ag Business Council. Lingle, WY. (15 attended).

Stump, William and Gary Franc. 2005. Plant Pathology Update for 2005. University of Wyoming Cooperative Extension Service Commercial Pesticide Applicator Recertification Program. Casper, WY. (Invited: 200 attended).

Franc, Gary, and William Stump. 2005. Sugar Beet Rhizoctonia, Cercospora Leaf Spot Management, and the Cercospora Leaf Spot Fungicide Resistance Survey Results for the High Plains. Western Sugar Grower-Joint Research Committee Annual Meeting, Billings MT. Billings, MT. 

Franc, Gary, and William Stump. 2005. Early blight management, Dacom disease forecast model tests, fungicide timing and insecticide field trial results at SAREC, 2005. Northern Colorado Area III Potato Administrative Committee Annual Research Reporting Seminar, (16 attended, invited). Greeley, CO.

Franc, G.D. and W.L. Stump.  2005. November 8, 2005. Early blight management and Dacom experiences in Wyoming.  Syngenta COI Reporting Conference and Spud Safari, San Diego, CA. (52 attended, invited).

Stump, W.L. and G.D. Franc. 2004. Feb 27, 2004. Cloud Microbiology Research Program. On-site program at Storm Peak Lab for students from Colorado State University, Steamboat Springs, CO. (11 attended).  

Stump, W.L. and G.D. Franc. 2004. November 17, 2004. Research Results for 2003 and Research Field research results. Annual Meeting of the Colorado Potato Administrative Committee Area III, Greeley, CO. (Invited: 15 attended).  

Stump, W.L. and G.D. Franc. 2004. January 14, 2004. Sugar Beet Rhizoctonia and Cercospora Leaf Spot Management Research Results for the High Plains. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY. (Invited: 70 attended). 

Franc, G.D., and W.L. Stump. 2004. February 10, 2004. Fungicide Efficacy and Timing Issues for Early Blight Management in the High Plains. 2004. DuPont Fungicides Seminar, Jacksonville, FL. (Invited: 18 attended).

Franc, G.D., W.L. Stump, and R.W. Whitbey. 2004. April 28, 2004. Relative fitness of benzimidazole sensitive and insensitive Cercospora beticola recovered from diseased sugar beet in the high plains. Colorado State University Department of Bioagricultural Scie. Fort Collins, CO.

G.D. Franc, and W.L. Stump. October 28, 2004. Early blight management and Dacom experiences in Wyoming and Nebraska. Syngenta COI Reporting Conference, Minneapolis, MN. (52 attended, invited).

Stump, W.L., and G.D. Franc. 2003. The Efficacy of Banded Fungicide Applications for Rhizoctonia Root and Crown Rot Management in Sugarbeet. The 2003 Joint Meeting of the International Institute for Beet Research and the American Society of Sugar. San Antonio, TX.

Stump, W.L., and G.D. Franc. 2003. March 17, 2003. Cloud Microbiology Research Program. On-site program at Storm Peak Lab for students from the University of Wisconsin, Steamboat Springs, CO. (8 attended).

Franc, G.D., and W.L. Stump. 2003. July 24, 2003. Plant Pathology Research and Demonstration Field Plot Trials for 2003. Torrington Research and Extension Center Field Day, Torrington, WY. (53 attended). Torrington, WY.

Franc, G. D., W.L. Stump, and R.M. Spence. 2003. January 15, 2003. Sugar Beet Rhizoctonia and Cercospora Leaf Spot Management Research Results and 2002 Cercospora Leaf Spot Fungicide Resistance Survey for the High Plains. Western Sugar Grower-Joint Research Com. Billings, MT.

Franc, G.D., and W.L. Stump. 2003. March 26, 2003. High Plains Potato Fungicide Use Patterns and Fungicide Timing for Early Blight Suppression. Syngenta’s 2003 COI Meeting, Hebron, KY. (Invited: 52 attended). Hebron, KY. 

Franc, G.D., and W.L. Stump. 2003. July 8, 2003. Potato Research Results and Research Needs for 2003. Nebraska Potato Development Committee, Nebraska Department of Agriculture, Alliance, NE. (Invited: 11 attended). Alliance, NE.

Stump, W.L., and G.D. Franc. 2003. November 13, 2003. Research Results for 2003 and Research Needs for the Potato Industry. Annual Meeting of the Colorado Potato Administrative Committee Area III, Greeley, CO. (Invited: 13 attended).

Franc, G.D., and W.L. Stump. 2003.  November 14, 2003. Fungicide Timing and Early Blight Suppression Research Results and Observations. 2003 Potato Technical Meeting, Syngenta COI, Stuart, FL. (Invited: 48 attended).

Stump, W.L., and G.D. Franc. 2002. January 15, 2002. Research Results for 2001 and Research Needs for 2002. Western Sugar Grower-Joint Research Committee Annual Meeting, Casper, WY.

Stump, W.L., and G.D. Franc. 2002. February 1, 2002. Research Results for 2001 and Research Needs for 2002. Regional Holly Sugar Research Meeting, Torrington, WY. 

Franc, G.D., and W.L. Stump. 2002. March 22, 2002. Fungicide Trial Research Results for the High Plains. Syngenta Potato COI Meeting March 21-22, 2002, Las Vegas, NV. (48 attended: invited).

Franc, G.D., and W.L. Stump. 2002. June 25, 2002. Rhizoctonia Crown Rot Suppression Using TOPSIN M. Franc, Cerexagri R & D Meeting, Cheyenne, WY. (2 attended).

Franc, G.D., and W.L. Stump. 2002. July 2, 2002. Potato Research Results and Research Needs for 2002. Nebraska Potato Development Committee, Nebraska Department of Agriculture, Alliance, NE (teleconference). (8 attended). 

Franc, G.D., and W.L. Stump. July 25, 2002. Plant Pathology Research and Demonstration Field Plot Trials for 2002. Torrington Research and Extension Center Field Day, Torrington, WY. (40 attended). 

Franc, G.D. and W.L. Stump. 2002. August 22, 2002. Sugarbeet Cercospora and Rhizoctonia Management Research and Demonstration Field Plots. Holly Sugar Research and Demonstration Plot Tours. Torrington, WY. (15 attended). 

Franc, G.D., and W.L. Stump. 2002. November 14, 2002. Research Results for 2002 and Research Needs for the Potato Industry. Annual Meeting of the Colorado Potato Administrative Committee Area III, Greeley, CO. (35 attended, invited). 

Stump, W.L., G.D. Franc and S.D. Miller. 2001. Quadris and Post-emergence Herbicide combinations for Rhizoctonia and Weed Management in Sugar Beet. Thirty-first General Meeting of the American Society of Sugar Beet Technologists, February 28-March 3, 2001, Vancouver, BC. March 2, 2001. (95 attended).

Franc, G.D., W.L. Stump, and S.C. Briere. 2001. Azoxystrobin Timing for Rhizoctonia Root and Crown Rot Management in Sugar Beet. Thirty-first General Meeting of the American Society of Sugar Beet Technologists, February 28-March 3, 2001, Vancouver, BC. March 2, 2001. (95 attended).

Franc, G.D., W.L. Stump, S.C. Briere, and E. D. Kerr. 2001. Regional Cercospora Survey Results and Field Trial Results of Fungicide Timing for Rhizoctonia Suppression and Tests Results of New Chemistries for Cercospora Management. Western Sugar Company-Grower Joint Research Committee Annual Meeting. Billings, MT. January 17, 2001. (50 attended, invited).

Franc, G.D., and W.L. Stump. 2001. Early and Late Blight Management in the Western United States. Syngenta Potato Meeting, January 21-23, 2001, San Diego, CA.
January 22, 2001. (60 attended, invited).

Franc, G.D., and W.L. Stump. 2001. 2000 Research Results and 2001 Research Needs for the Potato Industry. Annual Potato Seminar and Annual Meeting of the Colorado Potato Administrative Committee Area III, Greeley, CO. February 1, 2001. (55 attended, invited).

Franc, G.D., W.L. Stump and S.C. Briere. 2001. Phos-trol for Foliar and Tuber Disease Management. Agtrol International Potato Symposium, February 22-23, 2001, Las Vegas, NV. February 23, 2001. (19 attended, invited).

Franc, G.D., and W.L. Stump. 2001. Sugar Beet Rhizoctonia Field Plot Results and Demonstration. Western Sugar Field Tour and Torrington R & E Center Field Day, Torrington, WY. July 17, 2001. (15 attended)

Franc, G.D., W.L. Stump, M. Jozwik, R. Whitbey, and S.C. Briere. 2001. Demonstration Research Plots for Regional Disease Management. University of Wyoming Torrington Research and Extension Annual Field Day. August 1, 2001. (65 attended).

Franc, G.D., and W.L. Stump. 2001. Rhizoctonia and Cercospora Management in Sugar Beet, and Early Blight Management in Potato. Demonstration Research Plots for Plant Disease Management, University of Wyoming Torrington Research and Extension Center Field Plot Tour, Torrington, WY. August 1, 2001. (5 attended).

Franc, G.D., W.L. Stump and S.C. Briere. 2001. Rhizoctonia Root and Crown Rot in Sugar Beet Demonstration Trials. University of Wyoming Torrington Research and Extension Center Field Plot Tour, Torrington, WY. August 8, 2001. (3 attended).

Franc, G.D., W.L. Stump and S.C. Briere. 2001. New Products for Sugar Beet Cercospora Control and Fungicide Resistance Management in the High Plains. Colorado Agricultural Aviation Association annual meeting and convention, November 14-16, 2001, Colorado Springs, CO. November 14, 2001. (79 attended: invited).

D.W. Wilson, S.D Miller and W.L. Stump. 2001. Weed Population Shifts and Seed Survival under Several Wheat Rotational Systems. Coeur d' Alene, ID. Western Society of Weed Science.

Stump, W.L., G.D. Franc, and S.C. Briere. 1998. Fungicide treatments to manage seedborne potato late blight. Phytopathology Annual Meetings, Las Vegas, NV 

Stump, W.L., T. Di Amato, and P. Westra. 1996. Banvel Injury on selected Wheat varieties. Western Society of Weed Science, Albuquerque, NM, March 1996.

Stump, W.L. 1996. The role of scientific illustration in scientific communication. Plant, Soil and Insect Sciences 1996 Graduate seminar. University of Wyoming, Laramie, WY, Feb 9, 1996.

Stump, W.L., and P. Westra. 1995. Comparative Growth Analysis of Winter Wheat, Jointed Goatgrass, Downy Brome, and Volunteer Rye. Weed Science Society of America, Seattle, WA, February 1995.

Stump, W.L., and P. Westra. 1994. Comparative Growth Analysis of Three Winter Annual Grasses. Weed Science Society of America, Denver, CO, February 1994.

Stump, W.L., and P. Westra. 1993. Population Dynamics of Three Winter Annual Grasses Under Various Dryland Cropping Systems. (Poster) Western Society of Weed Science, Tuscon, March 1993.

Stump, W.L., and P. Westra. 1992. Jointed Goatgrass Survey and Research Results in Colorado. Western Society of Weed Science, Salt Lake, UT, March 1992

Scientific Illustration Credits

in Zimdahl, R.L. 1983. Weeds of Colorado. Published by Coop. Ext. Colorado State University, Ft. Collins, CO.

in Pfadt, R.E. 1988. Field Guide to Common Western Grasshoppers. Wyo. Exp. Station Bull. 912 (http://www.sdvc.uwyo.edu/grasshopper/fieldgde.htm).

in Plant, Cell and Environment, cover illustration Vol 11, Number 4, June 1988. 

in Beck, K.G. 1990. Weed management for small rural acreage owners. Service in action no. 3.106. Colorado State Univ. Coop. Ext., Ft. Collins, CO.

in Franc, G.D. et al. 1993. Rhizomania of Sugar Beet. G.D. Univ. of Wyoming Bulletin 979, Laramie, WY. 

in Franc, G.D. et al. 1994. Potato Early Blight. Univ. of Wyoming Bulletin 997, Laramie, WY.

in Schweizer, E.E., P. Westra and D.W. Lybecker. 1994. Controlling weeds in corn (Zea Mays) rows with an in-row cultivator versus decisions made by a computer model. Weed Sci. 42:593-600.

in Beck, K.G. 1994. Diffuse and spotted knapweed: biology and management. Service in action no. 3.110. Colorado State Univ. Coop. Ext., Ft. Collins, CO.

in Schwartz, H.F. and S.K. Mohan (ed.). 1995. Compendium of Onion and Garlic Diseases. APS Press, St. Paul, MN.

in Wiles, L.J. et al. 1996. A new soil sampler and elutriator for collecting and extracting weed seeds from soil. Weed Tech. 10:35-41. 

in Franc, G.D. et al. 1996. Potato Late Blight. Univ. of Wyoming Bulletin 1032, Laramie, WY. 

in Zimdahl, R.L. 1998. Weeds of Colorado (revised). Published by Coop. Ext. Colorado State University, Ft. Collins, CO.

in Anonymous, 1999. Pitkin county noxious weed management plan. Ordinance #99-48. Pitkin Co land management office, Pitkin Co, CO

in Barker, K.R. (chair). 2003. Integrated Pest Management: Current and Future Strategies. CAST report R140. 

in Schwartz, H.F. and S.K. Mohan (ed.). 2006. Compendium of Onion and Garlic Diseases. APS Press, St. Paul, MN (in press).


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