Recent Publications and Articles:
Identifying Weed Infestations with Optical Data at Harvest - 2017
Birth of resistance: Glyphosate-resistant Russian thistle is blowing in. - Summer 2017
Eastern Oregon farmers seek to eradicate tubleweeds - April 2017
Morrow County farmers seek to preserve no-till practices. - April 2017
Glyphosate-resistant tumbleweed poses problem for farmers. March 2017
A prickly problem: Russian thistle populations in northeast Oregon resist glyphosate. - March 2017
Identification of glyphosate resistance in Salsola Tragus in north-eastern Oregon - January 2017
Russian Thistle Problems - October 2016
Glyphosate-Resistant Tumbleweed Discovered in NE Oregon - September 2016
Past Eastern Oregon Weed Control Research Reports:
| 1993 | 1997 | 2001 | 2005 | 2009 |
| 1994 | 1998 | 2002 | 2006 | 2010 |
| 1995 | 1999 | 2003 | 2007 | 2011 |
| 1996 | 2000 | 2004 | 2008 | 2012 |
Refereed Journal Articles:
J. Barroso, J.D. McCallum and D. S. Long. 2017. Identifying Weed Infestations with Optical Data at Harvest. Sensors (In preparation).
J. Barroso, J. A. Gourlie, L. K. Lutcher, M. Liu and C. A. Mallory-Smith. 2017. Identification of glyphosate resistance in Salsola tragus in north-eastern Oregon. (wileyonlinelibrary.com) DOI 10.1002/ps.4525
C. San Martin, D. Andujar, J. Barroso, C. Fernandez-Quintanilla and J. Dorado. 2016. Weed Decision Threshold as a Key Factor for Herbicide Reductions in Site-Specific Weed Management. Weed Technology. Vol. 30: 888-897.
J. Barroso, B. D. Maxwell, J. Dorado, D. Andujar, C. San Martin and C. Fernandez-Quintanilla. 2016. Response of Sorghum halepense demographic processes to plant density and rimsulfuron dose in maize. European Weed Research Society. Vol. 56: 304-312
J. Barroso, Z. J. Miller, E. A. Lehnhoff, P. G. Hatfield and F. D. Menalled. 2015. Impacts of cropping system and management practices on the assembly of weed communities. European Weed Research Society. Vol. 55: 426-435.
Ball, D.A. 2014. Effects of Aminocyclopyrachlor Herbicide on Downy Brome (Bromus tectorum) Seed Production under Field Conditions. Invasive Plant Science and Mgmt. 7(4): 561-564.
Rood, Jonquil, J. Campbell, D. Thill, D. A. Ball , L. Bennett, J. Yenish, J. Nelson, R. Rood, B. Shafii, and W. Price. 2012. Tillage Affects Imazamox Carryover in Yellow Mustard. Weed Technology. Vol. 26(2): 308-315.
Riar, D. S., D. A. Ball, J. P. Yenish, and I. C. Burke. 2011. Light-Activated, Sensor-Controlled Sprayer Provides Effective Postemergence Control of Broadleaf Weeds in Fallow. Weed Technology. Vol. 25(3): 447-453.
Young, F. L., D. A. Ball, D. C. Thill, J. R. Alldredge, A. G. Ogg Jr., and S. S. Seefeldt. 2010. Integrated Weed Management Systems Identified for Jointed Goatgrass (Aegilops cylindrica) in the Pacific Northwest. Weed Technology. Vol. 24(4): 430-439.
Riar, D. S., D. A. Ball, J. P. Yenish, S. B. Wuest, and M. K. Corp. 2010. Comparison of Fallow Tillage Methods in the Intermediate Rainfall Inland Pacific Northwest. Agronomy Journal, Vol. 102(6): 1664-1673.
Tarasoff, C. S., D. A. Ball, C. Mallory-Smith, T. G. Pypker, and K. M. Irvine. 2010. Site characteristics associated with Nuttall’s and Weeping alkaligrass in northeastern Oregon. Northwest Science, Vol. 84 (4): 351-360.
Tarasoff, C. S., C. Mallory-Smith, and D. A. Ball. 2009. Competitive Effects of Nuttall's and Weeping Alkaligrass in Kentucky bluegrass. Northwest Science, Vol. 83 (4): 325-333.
Jemmett, E. D., D. C. Thill, T. A. Rauch, D. A. Ball, S. M. Frost, L. H. Bennett, J. P. Yenish, and R. J. Rood. 2008. Rattail fescue (Vulpia myuros) control in chemical-fallow cropping systems. Weed Technology 22:435-441.
Ball, D. A., S. M. Frost, L. Fandrich, C. Tarasoff, and C. Mallory-Smith. 2008. Biological attributes of rattail fescue (Vulpia myuros). Weed Science 56:26-31.
Ball, D. A. and C. J. Peterson. 2007. Herbicide Tolerance in Imidazolinone-Resistant Wheat for Weed Management in the Pacific Northwest U.S.A. pg. 243-250 in: H. T. Buck et al. (eds.). Wheat Production in Stressed Environments, Springer.
Ball, D. A., S. M. Frost, L. H. Bennett, D. C. Thill, T. Rauch, E. Jemmett, C. Mallory-Smith, C. Cole, J. P. Yenish, and R. Rood. 2007. Control of rattail fescue (Vulpia myuros) in winter wheat. Weed Technology 21(3):583-590.
Ball, D. A., S. M. Frost, and L. H. Bennett. 2007. ACCase-inhibitor herbicide resistance in downy brome (Bromus tectorum) in Oregon. Weed Science 55:91-94.
Tarasoff C. S., D. A. Ball, and C. Mallory-Smith. 2007. Extreme ionic and temperature effects on germination of weeping alkaligrass, Nuttall's alkaligrass and Kentucky bluegrass. Weed Science 55:305-310.
Tarasoff, C. S., D. A. Ball, and C. Mallory-Smith. 2007. Comparative plant responses of Puccinellia nuttalliana and Puccinellia distans to sodic versus normal soil types. Journal of Arid Environments 70:403-417.
Tarasoff, C. S, D. A. Ball, and C. A. Mallory-Smith. 2007. Afterripening requirements and optimal germination temperatures for Nuttalls alkaligrass and weeping alkaligrass. Weed Sci. 55(1): 36-40.
Rainbolt, C. R., D. C. Thill, J. Yenish, and D. A. Ball. 2004. Herbicide-resistant grass weed development in imidazolinone-resistant wheat: Weed biology and herbicide rotation. Weed Technology 18 (3): 860-868.
W. A. Payne, C. Chen, and D. A. Ball. 2004. Agronomic Potential of Narrow-Leafed and White Lupins in the Inland Pacific Northwest Agronomy Journal. 96: 1501-1508.
Park, Kee Woong, C. A. Mallory-Smith, D. A. Ball, and G. W. Mueller-Warrant. 2004. Ecological fitness of acetolactate synthase inhibitor-resistant and susceptible downy brome (Bromus tectorum) biotypes. Weed Science. 52:768-773.
Ball, D. A., S. M. Frost, and A. I. Gitelman. 2004. Predicting timing of downy brome (Bromus tectorum) seed production using growing degree-days. Weed Science 52:518-524.
Young, F. L., J. P. Yenish, D. L. Walenta, D.A. Ball, and J. R. Alldrege. 2003. Spring germinating jointed goatgrass (Aegilops cylindrica) produces viable spikelets in spring-seeded wheat. Weed Science. 51:379-385.
Al Mutlaq, K. F., C. Mallory-Smith, and D. A. Ball. 2003. Procarbazone-sodium effect on rotational crops and its dissipation in soils. Research Bulletin No. 120, Agric. Res. Center, King Saud Univ., pp. (5-29). ISBN: 9960-37-583-8.
Ball, D.A., J.P. Yenish, and T. Alby III. 2003. Effect of Imazamox Soil Persistence on Dryland Rotational Crops. Weed Technology. 17:161-165.
Walenta, D.L., J.P. Yenish, F.L. Young, and D.A. Ball. 2002. Vernalization response of plants grown from spikelets of spring and fall cohorts of jointed goatgrass. Weed Science. 50:461-465.
Hanson, D.E., D.A. Ball, and C.A. Mallory-Smith. 2002. Herbicide resistance in jointed goatgrass (Aegilops cylindrica): simulated responses to agronomic practices. Weed Technology. 16:156-163.
Rainbolt, D.R., D.C. Thill, and D.A. Ball. 2001. Response of rotational crops to BAY MKH 6561. Weed Technology. 15:365-374.
Ball, D. A., F. L. Young, and A. G. Ogg Jr. 1999. Selective Control of Jointed Goatgrass With Imazamox in Herbicide-resistant Wheat. Weed Technology. 13(1):77-82.
Shinn, S. L., D. C. Thill, W. J. Price, and D. A. Ball. 1998. Response of Downy Brome and Rotational Crops to MON 37500. Weed Technology. 12:690-698.
Ball, D. A., D. L. Walenta, and P. E. Rasmussen. 1998. Impact of Nitrogen Fertilization and Stubble Burning on the Downy Brome Seedbank in a Winter Wheat-fallow Rotation. Journal of Production Agriculture. 11:342-344.
Klepper, B., R. W. Rickman, S. E. Waldman, and D. A. Ball. 1997.Use of Growing Degree Days to Time Root Developmental Events in the Gramineae. p. 282. In: (Altman, Arie and Yoav Waisel, EDS. Biology of Root Formation and Development.) Basic Life Sciences, Volume 65. Plenum Press. New York.
Ball, D. A., A. G. Ogg Jr., and P. M. Chevalier. 1997. The Influence of Seeding Rate on Weed Control in Small-red Lentil. Weed Science. 45(2):296-300.
Ball, D. A., D. J. Wysocki, and T. G. Chastain. 1996. Nitrogen Application Timing Effects on Downy Brome and Winter Wheat Growth and Yield. Weed Technology. 10(2):305-310.
Rickman, R. W., Betty Klepper, and D. A. Ball. 1996. An Algorithm for Predicting Grass Crown Root Axes. Agronomy Journal. 87(6):1182-1185.
Ball, D. A., Betty Klepper, and D. J. Rydrych. 1995. Comparative Above-ground Development Rates for Several Annual Grass Weeds and Cereal Grains. Weed Science. 43:410-416.
Ball, D. A. and M. J. Shaffer. 1993. Simulating Resource Competition in Multispecies Agricultural Plant Communities. Weed Research. 35(4):299-310.
Ball, D. A. and S. D. Miller. 1993. Influence of Cropping History and Reduced Tillage Practices on Weed Flora in Corn (Zea mays L.). Agronomy Journal. 85(4):817-821.
Ball, D. A. 1992. Weed Seed Bank Response to Tillage, Herbicides, and Crop Rotation Sequence. Weed Science. 40:654-659.
Ball, D. A. and S. D. Miller. 1990. Weed Seed Population Response to Tillage and Herbicide Use in Three Irrigated Cropping Sequences. Weed Science. 38:511-517.
Ball, D. A. and S. D. Miller. 1989. A Comparison of Techniques for Estimation of Arable Soil Seed Banks and Relationship to Weed Flora. Weed Research. 29:365-373.
Extension Publications:
Barroso J, McCallum J and Long D. 2017 Identifying Weed Infestations with Optical Data at Harvest. Dryland Field Day Abstracts. p. 2.
Barroso J, Gourlie J, Lutcher L, Mingyang L and Mallory-Smith C. 2017 Identification of glyphosate resistance in Russian thistle in Northeast Oregon. Dryland Field Day Abstracts. p. 14.
Barroso J. 2017. Identification of glyphosate resistance in Russian thistle in Northeast Oregon. Crops and Soils Magazine. March 2017, 26-28.
Barroso J. 2016. Identification of Russian thistle glyphosate resistant in Northeast Oregon. Oregon Wheat magazine. December 2016, p. 12 & 14.
Barroso J, Boettcher A, and Long D. 2016. Predicting and monitoring weed distributions in dryland wheat using landset data. Dryland Field Day Abstracts. June 2016, p. 53.
Barroso J, Boettcher A, and Long D. 2016. An analysis of predictor variables and sampling dates in the estimation of crop yield loss. Dryland Field Day Abstracts. June 2016, p. 49.
Barroso J and Wuest S. 2016. Effect of volunteer wheat on wheat: An option to control it. Dryland Field Day Abstracts, June 2016, p. 44.
Barroso J. 2016. Effect of winter wheat row orientation to suppress downy brome (Bromus tectorum) in Northeast Oregon. Dryland Field Day Abstracts. June 2016, p. 42.
Barroso J and Gourlie J. 2016. Problematic Weed Species in Northeast Oregon. Oregon Wheat Magazine. February 2016, p. 11-12.
Ball, D. A. and A. G. Hulting. 2009. Rattail Fescue Biology and Management in Pacific Northwest Wheat Cropping Sytems. PNW Extension Publication (PNW 613). p. 8.
Yenish, J. P., D. A. Ball, and R. Schirman. 2009. Integrated Management of Jointed Goatgrass in the Pacific Northwest. Washington State University Extension. Bulletin EB2042. p. 16.
Rainbolt, C., D. A. Ball, D. Thill, J. Yenish. 2004. Management Strategies for Preventing Herbicide-Resistant Grass Weeds in Clearfield Wheat Systems. PNW Extension Publication (PNW 572). p. 8.
Ball, D. A., R. Parker, J. Colquhoun, and I. Dami. 2004. Preventing Herbicide Drift and Injury to Grapes. OSU Extension Publication (EM 8860) p. 8.
M. Corp, S. Machado, D. Ball, R. Smiley, S. Petrie, M. Siemens, and S. Guy. 2004. Chickpea Production Guide. OSU Extension Publication (EM8791-E Rev. Jan. 2004).
Colquhoun, J., C. Mallory-Smith, and D. Ball. 2003. Weed management in Clearfield wheat with imazamox. OSU Extension Publication (EM8833) p. 4.
Anderson, R., E. Zakarison,, D. A. Ball, G. Wicks, W. Donald, F. Young, and T. White. 2002. Jointed Goatgrass Ecology. PNW Extension Publication (EB1932) p. 8.
Pacific Northwest Weed Control Handbook. 1993-2009. Contributor.
Young, F., R. Veseth, D. Thill, W. Schillinger, D. A. Ball. 1995. Managing Russian Thistle Under Conservation Tillage Systems in Crop-Fallow Rotations. PNW Extension Publication (PNW 492). p. 12.
Young, F., R. Veseth, D. Thill, W. Schillinger, D. A. Ball. 1995. Russian Thistle Management Under Conservation Systems in the Pacific Northwest Crop-Fallow Regions. PNW Conservation Tillage Handbook Series. Ch. 5. No. 16. p. 9.
Nesse, P. E. and D. A. Ball. 1994. Downy Brome. PNW Extension Publication (PNW 474). p. 4.
Veseth, R., A. Ogg, D. Thill, D. A. Ball, D. J. Wysocki, F. Bailey, T. Johlke, and H. Riehle. 1994. Managing Downy Brome Under Conservation Tillage Systems in the Inland Northwest Crop-Fallow Region. PNW Conservation Tillage Handbook Series. Ch. 5. No. 15. p. 8.
Special Reports (2005-current):
Ball, D. A., and L. Bennett. 2008. Light-activated sensor sprayer for reduced herbicide use in no-till fallow. In: 2008 Dryland Agricultural Research Annual Report. OSU Ag. Exp. Stn. Spec. Rpt. 1083. Pg 15-19.
Machado, S., L. Pritchett, E. Jacobsen, R. Smiley, D. Ball, S. Petrie, D. Wysocki, S. Wuest, H. Gollany, and W. Jepsen. 2007. Long-term experiments at CBARC-Moro and Center of Sustainability, Heppner, OR 2005-2007. In: 2007 Dryland Agricultural Research Annual Report. OSU Ag. Exp. Stn. Spec. Rpt. 1074. Pg 82-91.
Machado, S., L. Pritchett, E. Jacobsen, S. Petrie, R. Smiley, D. Ball, D. Wysocki, S. Wuest, H. Gollany, and W. Jepsen. 2006. Long-term experiments at CBARC-Moro and Center of Sustainability, Heppner, OR. In: 2006 Dryland Agricultural Research Annual Report. OSU Ag. Exp. Stn. Spec. Rpt. 1068. Pg 50-67.
Ball, D. A., S. M. Frost, C. Tarasoff, and C. Mallory-Smith. 2005. Biology of rattail fescue and its management in direct-seeded winter wheat and chemical fallow. In: 2005 Dryland Agricultural Research Annual Rpt. OSU Ag. Exp. Stn. Spec Rpt. 1061. Pg. 15-19.
Abstracts, Proceedings, and Progress Reports (2008-current):
Barroso J., McCallum J.D. and Long D. S. 2017. Mapping weeds at harvest by optical sensing of green plant matter in flowing grain. Proceedings of the WSWS. Coeur d'Alene, ID. Abstract.
Lutcher L. and Barroso J. 2017. Delayed glyphosate application for no-till fallow in the driest region of the Inland Pacific Northwest. Proceedings of the Weed Science Society of America (WSSA) Annual Meeting. Tucson, AR. Abstract.
Esser A., Barroso J., and Lyon D. S. 2017. Help with Herbicide-Resistant Weeds. Proceedings of PNDSA Cropping Systems Conference. January, 2017. Kennewick, WA. Abstract.
Barroso J., with collaboration with Dr. Lutcher. 2017. ARF progress report of project titled: Evaluation of occurrence of glyphosate resistant Russian thistle (Salsola tragus) in Northeast Oregon.
Barroso J. 2017. WesternSARE progress report of project titled: Impacts of chaff collection or chaff plus straw collection at harvest to improve weed control. This report was developed in collaboration with Drs. Lyon, Mallory-Smith, Hulting, Roerig and Wuest.
Barroso J. 2017. OWC progress report: Effects of sulfentrazone application on Russian thistle control in no-till fallow. Project leader: Dr. Lutcher.
Barroso J. 2017. OWC progress report of project titled: Impacts of mixed cereal-oilseed cropping systems on weed communities in the PNW (Year 2). This report was developed in collaboration with Dr. Long.
Barroso J. 2017. WindField Solutions project report: Effect of metribuzin and a new herbicide formulation at different doses on adzuki beans and weed control.
Barroso J. 2016. Glyphosate resistance in Russian thistle. Proceedings of the Tri-State grain grower convention. November, 2016. Coeur d' Alene, ID. Abstract.
Barroso J., Boettcher A., and Long D.S. 2016. An analysis of predictor variables and sampling dates in the estimation of crop yield injury. Proceedings of WSWS Conference. March 2016. Alburquerque, NM. Abstract.
Boettcher A., Barroso J., and Long D. S. 2016. Classifying images for potential weed species using multi-spectral imagery. Proceedings os WSWS Conference. March 2016. Alburquerque, NM. Abstract.
Barroso J. 2016. Effect of winter wheat row orientation to suppress downy brome (Bromus tectorum) in Northeast Oregon. Proceedings of PNDSA Cropping Systems Conference. January, 2016. Kennewick, WA. Abstract.
Barroso J. and Wuest S. 2016. Effect of volunteer wheat on wheat: An option to control it. PNW Direct Seed Cropping Systems Conference. Proceedings of PNDSA Cropping Systems Conference. January, 2016. Kennewick, WA. Abstract.
Barroso J. 2016. External Reviewer Report of the PhD Thesis: Spatial and temporal aspects of weed community in irrigated summer crops in central Spain. PhD student: Carolina San Martin Hernandez. Universidad Rey Juan Carlos, Madrid, Spain.
Barroso J. 2016. OWC project report of project titled: Impacts of mixed cereal-oilseed cropping systems on weed communities in the PNW. This report is in collaboration with Dr. Long.
Barroso J. 2016. OWC project report of project titled: Developing applications of on-combine optical sensing for precision nitrogen management of dryland wheat production systems in eastern Oregon. Project Leader: Dr. Machado. This report was developed in collaboration with Drs. Long and Barroso.
Boettcher A., Barroso J., and Long D. 2016. Predicting and Monitoring Weed Distributions in Dryland Wheat Using Landsat Data. Presented at the CBARC 2016 Field Days and WSWS annual meeting 2016.
Barroso J. 2016. Progress and Final report of project title: Chemical weed management on adzuki bean in the Columbia Plateau.
Barros J. 2016. WERA 77. Eastern Oregon research report.
Barroso J. 2016. Bayer project report: Development of a new chemical formulation to control cheatgrass (Bromus tectorum) and rattail fescue (Vulpia myuros).
Barroso J. 2016. Dow AgroSciences project report: Development of a new chemical formulation to control cheatgrass (Bromus tectorum).
Barroso J. 2016. BASF project report: Improve knowledge on application time and dose of pyroxasulfone to control rattail fescue in winter wheat.
Barroso J. 2016. Project report of the project titled: Profitability of broadleaf herbicides in the PNW.
Barroso J. 2015. WERA 77. Eastern Oregon Research report.
Bennett, L. H. D. A. Ball, and D. S. Riar and J. P. Yenish. 2010. Efficacy of postemergence herbicides with a light activated, sensor controlled sprayer in chemical fallow. Proceedings 2010 Western Soc. Weed Sci. pg. 16.
Rauch, T., D. Thill, I. Burke, D. Pittman, J. Yenish, R. Rood, D. Ball, L. Bennett. 2010. Winter wheat varieties response to mesosulfuron applied under adverse environmental conditions. Proceedings 2010 Western Soc. Weed Sci. pg. 23.
Burke, I., J. Bell, T. Rauch, D. Thill, D. Ball, and J. Yenish. 2010. Detection and persistence of imazethapyr in a Palouse silt loam. Proceedings 2010 Western Soc. Weed Sci. pg. 91.
Ball, D. A. 2009. WSWS Presidential Address for 62nd Annual Meeting. Proceedings 2009 Western Soc. Weed Sci. pg. 1.
Rauch, T., D. Thill, I. Burke, D. Pittman, J. Yenish, R. Rood, D. Ball, and L. Bennett. 2009. Response of winter wheat varieties to mesosulfuron applied under adverse environmental conditions. Proceedings 2009 Western Soc. Weed Sci. pg. 15.
Ball, D. A., J. O. Evans, and G. A. Wicks. 2009. Influence of fallow tillage on jointed goatgrass emergence and competition in winter wheat. Proceedings 2009 Western Soc. Weed Sci. pg. 31.
Ball, D. A., and A. G. Ogg. 2009. Prediction and prevention of seed production in jointed goatgrass. Proceedings 2009 Western Soc. Weed Sci. pg. 34.
Young, F. L., J. P. Yenish, L. S. Sullivan, D. A. Ball, D. C. Thill, and R. S. Zemetra. 2009. Pacific Northwest USDA-ARS research and Extension activities. Proceedings 2009 Western Soc. Weed Sci. pg. 36.
Young, F. L., J. P. Yenish, D. A. Ball, and D. C. Thill. 2009. Integrated management of jointed goatgrass in the Pacific Northwest. Proceedings 2009 Western Soc. Weed Sci. pg. 79.
Rood, J., T. Rauch, D. Thill, B. Shafii, D. A. Ball, L. Bennett, J. Yenish, R. Rood, J. Nelson. 2008. Tillage Affects Imazamox Carryover in Yellow Mustard. Proceedings 2008 Western Soc. Weed Sci. pg. 43.
Jenks, B., D. A. Ball, and P. Stahlman. 2008. Preplant weed control and wheat tolerance to BAS 800H. Proceedings 2008 Western Soc.Weed Sci. pg. 55.
Ball, D. A., B. Jenks, and P. Stahlman. 2008. Broadleaf weed control in chemical fallow with BAS 800H. Proceedings 2008 Western Soc. Weed Sci. pg. 56.
Rood, J. R., T. A. Rauch, D. C. Thill, R. J. Rood, J. P. Yenish, D. A. Ball, L. Bennett. 2008. Tillage affects imazamox persistence in soil (year 2). West. Soc. Weed Sci. Res. Prog. Rpt. p. 128.
Rood, J. R., T. A. Rauch, D. C. Thill, R. J. Rood, J. P. Yenish, D. A. Ball, L. Bennett. 2008. Tillage affects imazamox carryover in yellow mustard. West. Soc. Weed Sci. Res. Prog. Rpt. p. 131.