Joseph P. Yenish
Associate Scientist / Extension Specialist
173 Johnson Hall
PO Box 646420
Pullman WA 99164-6420
Phone 509-335-2961
FAX 509-335-1758
yenish@wsu.edu
Education
B.S. North Dakota State University 1981
M.S. University of Wisconsin-Madison, 1990
Ph.D. North Carolina State University, 1994
Curriculum Vitae, 2009 (pdf)
Research and Extension Activities
I research weed management in the dryland cereal grain production systems of eastern Washington. Problem weeds in these systems include downy brome, jointed goatgrass, cereal rye, wild oat, Italian ryegrass, Russia thistle, prickly lettuce, mayweed chamomile, and other species. Herbicide resistant weed biotypes are also a growing problem within these cropping systems. My extension program focuses on developing methods of addressing these and other weed problems of the area. Additionally, a great deal of my time is spent developing weed management systems for the grain legumes (dry peas, lentils, and chickpeas).
My research has largely focused on the biology, ecology, and integrated management of annual grass weeds. Progress has been made in integrated weed management in conservation tillage systems both prior and after crop planting. An additional focus has been to research the potential development of herbicide resistant weeds in systems using herbicide-resistant crops.
Related Page
http://css.wsu.edu/weed_science
Book Chapters
Yenish, J. 2009. Herbicide Injury. In Compendium of Chickpea and Lentil Diseases and Pests, Chen, W., Sharma, H. C., and Muehlbauer, F. J. (eds.) APS Press (in press)
Yenish, J. P., J. Brand, M. Pala, and A. Haddad. 2009. Weed Management in Lentil. pgs 326-341. InThe Lentil: Botany, Production and Uses. W. Erskine, F. Muehlbauer, A. Sarker, and B. Sharma (eds.). CAB International, Wallingford, Oxon OX10 8DE, UK 464pp.
Yenish, J. P. 2007. Weed Management in Chickpea. pgs 233-245. In Chickpea Breeding and Management. S.S. Yadav, B. Redden, W. Chen and B. Sharma (eds.). CAB International, Wallingford, Oxon OX10 8DE, UK 638pp.
Research Publications
J. Yenish, K. K. Kidwell, and T. C. Paulitz. 2009. Influence of Glyphosate, Crop Volunteer and Root Pathogens on Glyphosate-Resistant Wheat under Controlled Environment Conditions. Pest Manag. Sci. 65:288-299.
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 Technol. 22:435-441.
Young, F. L., J. P. Yenish, G. K. Launchbaugh, L. L. McGrew, and J. R. Alldredge. 2008. Postharvest control of Russian thistle with a reduced herbicide applicator in the Pacific Northwest. Weed Technol. 22:156-159.
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 Sci. 21:583-590.
Thorne, M. E., F. L. Young, and J. P. Yenish. 2007. Cropping systems alter weed seed banks in Pacific Northwest semi-arid wheat region. Crop Protect. 26:1121-1134.
White, A. D., D. J. Lyon, C. Mallory-Smith, C. R. Medlin, and J. P. Yenish. 2006. Feral rye (Secale cereale) in agricultural production systems. Weed Technol. 20:815-823.
Rainbolt, C. R., D. C. Thill, J. P. Yenish, and D. A. Ball. 2004. Herbicide-resistant grass weed development in imidazolinone-resistant wheat: weed biology and herbicide rotation. Weed Technol. 18:860-868.
Yenish, J. P. and F. L. Young. 2004. Winter wheat competition against jointed goatgrass as influenced by wheat plant height, seeding rate, and seed size. Weed Sci. 52:996-1001.
Ball, D. A., J. P. Yenish, and T. Alby III. 2003. Effect of imazamox soil persistence on dryland rotational crops. Weed Technol. 17:161-165.
Young, F. L., J. P. Yenish, D. L. Walenta, and D. A. Ball. 2003. Spring-germinating jointed goatgrass produces viable spikelets in spring seeded wheat. Weed Sci. 51:379-385.
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 Sci. 50:461-465.
Yenish, J. P. and N. A. Eaton. 2002. Weed Control in Field Peas (Pisum sativum) Under Conventional and No-Tillage Systems. Weed Technol. 16:88-95.
Extension Publications
Yenish, J. P., D. A. Ball, and R. Schirman. 2009. Integrated Management of Jointed Goatgrass in the Pacific Northwest. EB2042, 16pp.
Peachey, E., D. A. Ball, M. Corp, J. DeFrancesco, A. Hulting, D. Kaufman, L. Long, C. Mallory-Smith, M. Newton, E. M. Coombs, J. Andreas, C. Daniels, T. Miller, R. Parker, K. Patten, G. Piper, G. Stahnke, J. P. Yenish, P. Hutchinson, R. Hirnyck, D. Morishita, M. Schwarzlaender, D. Thill, and L. Wilson. 2008 Pacific Northwest Weed Control Handbook. MISC0049, 464pp.
Scheinost, P., M. Stannard, T. Prather, J. Yenish. 2008. Ventenata. EB2038E, 2pp.
Yenish, J., R. Johnson, A. Halpern. 2008. Common Fennel (Foeniculum vulgare). EB2034, 3pp.
Yenish, J., A. Halpern, T. Miller. 2007. Butterfly Bush - Buddleja davidii Franch. EB2007E, 2pp.
Steiner, C. M., G. Newberry, R. Boydston, J. Yenish, and R. Thornton. 2005. Volunteer Potato Management in the Pacific Northwest Rotational Crops. EB1993, 12pp.
Rainbolt, C., D. Ball, D. Thill, and J. Yenish. 2004. Management Strategies for Preventing Herbicide Resistant Grass Weeds in Clearfield Wheat Systems. PNW0572, 8pp.
Yenish, J. P. and M. Stannard. 1998. Weed management for cover establishment and maintenance on conservation reserve program acres. Washington State University Cooperative Extension. EB1867, 21pp.
Yenish, J. P., R. Veseth, A. Ogg, D. Thill, D. Ball, F. Young, E. Gallandt, D. Morishita, C. Mallory‑Smith, D. Wysocki, and T. Gohlke. 1998. Managing downy brome under conservation tillage systems in the Inland Northwest cropping region. Pacific Northwest Cooperative Extension. PNW0509, 15pp.
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