Mailing Address:
Department of Crop and Soil Science
107 Crop Science Building
Oregon State University
Corvallis, OR 97331-3002
Office: 331B Crop Science Building
Phone: 541-737-5883
Fax: 541-737-1589
E-Mail: 
Department Website: Department of Crop and Soil Science
Personal Website: Weed Science Program at OSU
Vita: Short
Education:
Ph.D. 1990 University of Idaho; Plant Science
B.S. 1986 University of Idaho; Plant Protection
Projects: 
Web Resources:
Societies and Affiliations:
Honors and Awards:
Publications: Pub Med web site
Intanon, S., A. Perez-Jones, A.G. Hulting and C. Mallory-Smith. 2011. Multiple Pro197 ALS substitutions endow resistance to ALS inhibitors within and among Anthemus cotula populations.Weed Sci. in press
Avila, W. and C. Mallory-Smith. 2011. Glyphosate-resistant Italian Ryegrass (Lolium perenne L. ssp multiflorum (Lam.) Husnot) Populations also Exhibit Resistance to Glufosinate Weed Sci. in press
Tarasoff, C.S., D.A. Ball, C.A. Mallory-Smith, T.G. Pypker, and K.M. Irvine. 2010. Site characteristics associated with Nuttall’s and weeping alkaligrass in northeastern Oregon. Northwest Sci. 84:351-360.
Peachey, E. and C. Mallory-Smith. 2010. Effect of fall tillage and cover crop strategies on wild-proso millet (Panicum miliaceum) emergence and interference in snap beans. Weed Technology 25:119-126.
Perez-Jones, A., B. Martins, C.A. Mallory-Smith. 2010. Hybridization in a commercial production field between imidazolinone-resistant wheat (Triticum aestivum) and Aegilops cylindrica results in pollen-mediated gene flow of Imi1. Weed Sci. 58:395-401.
Rehman, M., J.L. Hansen, C.A. Mallory-Smith, A. Hang, C. Burton, and R.S. Zemetra. 2010. Determining the pollen parent of field-grown backcross progenies of wheat (Triticum aestivum L.) X jointed goatgrass (Aegilops cylindrica Host) hybrids using genomic in situ hybridization (GISH). Crop Sci. 50:1474-1479.
Zapiola, M.L., R.C. Cronn, and C.A. Mallory-Smith. 2010. Development of novel chloroplast microsatellite markers to identify species in the Agrostis complex (Poaceae) and related genera. Molecule Ecology Resources 10:738-740.
Zapiola, M. and C. Mallory-Smith. 2010. Soaking time and water temperature impact on creeping bentgrass seed germination. Weed Sci. 58:223-228.
Harrington, J., P.F. Byrne, F.B. Peairs, S.J. Nissen, Phil Westra, P.C.Ellsworth, A. Fournier, C.A. Mallory-Smith, R.S. Zemetra, and W. B. Henry. 2009. Perceived consequences of herbicide-tolerant and insect-resistant crops on integrated pest management strategies in the Western United States: Results of an online survey. AgBioForum 12:412-421.
Tarasoff, C.S., C.A. Mallory-Smith, and D.A. Ball. 2009. Competitive effects of Nuttall’s and weeping alkaligrass in Kentucky bluegrass. Northwest Sci. 83:325-333.
Perez-Jones, A., S. Intanon, and C.A. Mallory-Smith. 2009. Molecular analysis of hexazinone-resistant shepherd’s purse (Capsella bursa- pastoris) reveals a novel psbA mutation. Weed Sci. 57:574-578.
Gandhi, H., M.I. Vales, C. A. Mallory-Smith, and O. Riera-Lizarazu. 2009. Genetic structure of Aegilops cylindrica Host in its native range and in the United States of America. TAG 119:1013-1025.
Stewart, N.C, P.J. Tranel, D.P. Horvath, J.V. Anderson, L.H. Rieseberg, J. H. Westwood, C. A. Mallory-Smith, M.L. Zapiola, and K.M. Dlugosch. 2009. Evolution of weediness and invasiveness: charting the course for weed genomics. Weed Sci. 57:451-462.
Jasieniuk, M., R. Ahmad, A.M. Sherwood, J.L. Firestone, A. Perez-Jones, W.T. Lanini, C. Mallory-Smith, and Z. Stednick. 2008. Glyphosate-resistant Italian ryegrass (Lolium multiflorum) in California. Weed Sci. 56:496-502.
Mallory-Smith, C.A., and M.L. Zapiola. 2008. Gene flow from glyphosate-resistant crops. Pest Management Sci. 64:428-440.
Uludag, A., K.W. Park, J. Cannon, C.A. Mallory-Smith. 2008. Cross resistance to acetyl-CoA carboxylase (ACCase) inhibitor-resistant wild oat (Avena fatua) biotypes in the Pacific Northwest. Weed Technol. 22:142-145.
Zapiola, M.L., C. Campbell, M. Butler, and C.A. Mallory-Smith. 2008. Escape and establishment of glyphosate-resistant creeping bentgrass (Agrostis stolonifera) in Oregon, USA: a 4-year study. J. of Applied Ecology 45:486-494.
Ball, D.A., S.M. Frost, L.H. Bennett, D.C Thill, T. Rauch, E. Jemmet, C. Mallory-Smith, C. Cole, J.P. Yenish, and R. Rood. 2007. Control of rattail fescue (Vulpia myuros) in winter wheat. Weed Tech. 21:583-590.
Lins, R., J.B. Colquhoun, and C.A. Mallory-Smith. 2007. Effect of small broomrape (Orobanche minor) on red clover growth and dry matter partitioning. Weed Sci. 55:517-520.
Lins, R.D., C.M. Cole, R.P. Affeldt, J.B. Colquhoun, C.A. Mallory-Smith, R.A. Hines, L. Steckel, and R.M. Hayes. 2007. Glyphosate application timing and rate for annual ryegrass (Lolium multiflorum) cover crop desiccation. Weed Tech. 21:602-605.
Peachey, R.E. and C.A. Mallory-Smith. 2007. Influence of winter seed position and recovery date on hairy nightshade (Solanum sarrachoides) recruitment and seed germination, dormancy and mortality. Weed Sci. 55:49-59.
Perez-Jones, A., K.W. Park, N. Polge, J. Colquhoun, and C.A. Mallory-Smith. 2007. Investigating the mechanisms of glyphosate resistance in Lolium multiflorum. Planta 226:395-404.
Tarasoff, C., D. Ball, and C.A. Mallory-Smith. 2007. Extreme ionic and temperature effects on germination of weeping alkaligrass, Nuttall's alkaligrass and Kentucky bluegrass. Weed Sci. 55:305-310.
Tarasoff, C., D. Ball, and C.A. Mallory-Smith. 2007. Afterripening requirements and optimal germination temperatures for Puccinellia nutalliana and Puccinellia distans. Weed Science. 55:36-40.
Tarasoff, C.S., C.A. Mallory-Smith and D.A. Ball. 2007. Comparative plant responses of Pucinellia distans and Puccinellia nuttalliana to sodic versus normal soil types. J. of Arid Environ. 70:403-417.
Colquhoun, J.B, H. Eizenberg, and C.A. Mallory-Smith. 2006. Herbicide placement site affects small broomrape (Orobanche minor) control in red clover (Trifolium pratense). Weed Tech. 20:356-360.
Eizenberg, H., J.B. Colquhoun, and C.A. Mallory-Smith. 2006. Imazamox application timing for control of small broomrape (Orobanche minor) in red clover (Trifolium pratense). Weed Sci. 54:923-927.
Fandrich, L.and C. A. Mallory-Smith. 2006. Jointed goatgrass seed germination and production varies by spikelet position on the spike. Weed Sci. 443-451.
Fandrich, L. and C. A. Mallory-Smith. 2006. Factors affecting germination of jointed goatgrass (Aegilops cylindrica) seed. Weed Sci. 54:677-684.
Fandrich, L. and C. A. Mallory-Smith. 2006. Vernalization responses of field grown jointed goatgrass (Aegilops cylindrica), winter wheat and spring wheat. Weed Sci. 54:695-704.
Gandhi, H., C.A. Mallory-Smith, C.J.W. Watson, M.I. Vales, R.S. Zemetra, and O. Riera-Lizarazu. 2006. Hybridization between wheat and jointed goatgrass (Aegilops cylindrica) under field conditions. Weed Sci. 54:1073-1079.
Lins, R., J.B. Colquhoun, and C.A. Mallory-Smith. 2006. Investigation of wheat as a trap crop for control of Orobanche minor. Weed Research 46:313-318.
Park, K.W. and C. A. Mallory-Smith. 2006. psbA mutation (Asn266 to Thr) in Senecio vulgaris L. confers resistance to several PSII-inhibiting herbicides. Pest Manag. Sci. 62::880-885.
Peachey, E., R. William, and C. Mallory-Smith. 2006. Effect of spring tillage on summer annual weeds in vegetable row crop rotations. Weed Tech. 20:204-214
Perez-Jones, A., C.A. Mallory-Smith, R.S. Zemetra, C.J.W. Watson. 2006. Introgression of a strawbreaker foot rot (Pseudococercosporella herpotrichoides) resistance gene from winter wheat (Triticum aestivum) into jointed goatgrass (Aegilops cylindrica). Crop Sci. 46:2155-2160.
Perez-Jones, A., C.A. Mallory-Smith, J. Hansen, and R.S. Zemetra. 2006. Introgression of an imidazolinone-resistant gene from wheat (Triticum aestivum) into jointed goatgrass (Aegilops Rehman, M., J.L. Hansen, J. Brown, W. Price, R.S. Zemetra, and C.A. Mallory-Smith. 2006. Effect of wheat genotype on the phenotype of wheat x jointed goatgrass (Aegilops cylindrica) hybrids. Weed Sci. 54:690-694.
Reichman, J.R., L.S. Watrud, E.H. Lee, C.A. Burdick, M.A. Bollman, M.J. Storm, G.A. King, and C.A. Mallory-Smith. 2006. Establishment of transgenic herbicide-resistant creeping bentgrass (Agrostis stolonifera L.) in nonagronomic habitats. Molecular Ecol. 15:4243-4255.
Wada, S, J. Altland, C. Mallory-Smith, and J. Stang. 2006. Effect of dolomitic lime rate and application method on substrate pH and creeping woodsorrel establishment. J. Environ. Hort. 24:185-191.
White, A., D. Lyon, C.A. Mallory-Smith, J. Yenish, and C. Medlin. 2006. Feral rye (Secale cereale) in agricultural production systems. Weed Tech. 20: 815-823.
Hanson, B., C.A. Mallory-Smith, W.J. Price, B. Shafii, D.C. Thill, and R.S. Zemetra. 2005. Hybridization: potential for movement of herbicide resistance from wheat to jointed goatgrass. Weed Tech.19: 674-682.
Hanson, B., C.A. Mallory-Smith, B. Shafii, D.C. Thill, and R.S. Zemetra. 2005. Pollen-mediated gene flow from blue aleurone wheat to other wheat cultivars. Crop Sci. 45:1610-1617.
Eizenberg, H., J.B. Colquhoun, and C.A. Mallory-Smith. 2005. A predictive degree-days model for small broomrape (Orobanche minor) parasitism in Oregon. Weed Sci. 53:37-40.
Lins, R., J.B. Colquhoun, C.M. Cole, and C.A. Mallory-Smith. 2005. Postemergence herbicide options for small broomrape (Orobanche minor) control in red clover (Trifolium pratense). Weed Tech. 19:411-415.
Perez-Jones, A., K.W. Park, J. Colquhoun, C. Mallory-Smith, and D. Shaner. 2005. Identification of glyphosate resistant Italian ryegrass (Lolium multiflorum) in Oregon. Weed Sci. 53:780-786.
Fandrich, L. and C. A. Mallory-Smith. 2005. Temperature effects on seed germination in jointed goatgrass (Aegilops cylindrica). Weed Sci. 19:594-599.
Tarasoff, C.S., M. Louhaichi, C. Mallory-Smith, and D.A. Ball. 2005. Using geographic information systems to present nongeographical data: an example using 2-way thermogradient plate data. Rangeland Ecology and Management 58:215-218.
Gandhi, H., M.I. Vales, C. Watson, N. Mori, M. Rehman, R. Zemetra, and O. Riera-Lizarazu. 2005. Chloroplast and nuclear microsatellite analysis of Aegilops cylindrica. TAG 111:561-572.
Park, K.W. and C. Mallory-Smith. 2005. Multiple herbic/ide resistance in downy brome (Bromus tectorum L.) and its impact on fitness. Weed Sci. 53: 775-779
Book Chapters
Kausch, A., J. Hague, M. Oliver, L.S. Watrud, C Mallory-Smith, V. Meier, and C. N. Stewart. 2010. Gene Flow in Genetically Engineered Perennial Grasses: Lessons for Modification of Dedicated Bioenergy Crops. In Plant Biotechnology for Sustainable Production of Energy and Co-Products, Biotechnology in Agriculture and Forestry, ed. Mascia et al. Springer-Verlag, Berlin Heidelgerg 66:285-297.
Perez-Jones, A. and C.A. Mallory-Smith. 2010. Biochemical Mechanisms and Genetic Basis of Evolved Glyphosate Resistance in Weed Species. In Glyphosate Resistance in Crops and Weeds, ed. V. K. Nandula, Wiley Hoboken, NJ. pp. 119-140.
Johnston, J.A., Mallory-Smith, C., Brubaker, C.L., Gandara, F., Aragão, F.J.L., Barroso, P.A.V., Quang, Vu Duc., Carvalho, L.P. de, Kageyama, P., Ciampi, A.Y., Fuzatto, M., Cirino, V. and Freire, E. 2006. Assessing gene flow from Bt cotton in Brazil and its possible consequences. pp. 261-299. In: Hilbeck, A., Andow, D.A. and Fontes, E.M.G. (eds) In Environmental Risk Assessment of Genetically Modified Organisms Volume 2: Methodologies for Assessing Bt Cotton in Brazil. CABI Publishing, Wallingford, UK. pp. 261-299.
Special Publications
Biotechnology-derived perennial turf and forage grasses: criteria for evaluation. 2004. eds. M. Kenna and W.K. Hallman. CAST Special Publication 25.
Mallory-Smith, C.A. 2004. Herbicide-resistant weeds. In Encyclopedia of Plant and Crop Science, ed. R. Goodman, Marcel Dekker, NY, NY.
Al-Mulaq, K.F., C. Mallory-Smith, and D. Ball. 2003. Procarbazonexodium effects on rotational crops and its dissipation in soils. King Saud University. Ryiadh, Saudi Arabia. Res. Bulletin No. 20 pp. 5-29.
