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United States Department of Agriculture

Agricultural Research Service

GEORGE W. MUELLER WARRANT

Research Agronomist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Calapooia watershed, Oregon: National Institute of Food and Agriculture - Conservation Effects Assessment Project - (Book / Chapter)
Hoag, D., Giannico, G.R., Li, J., Garcia, T., Gerth, W., Mellbye, M., Mueller Warrant, G.W., Griffith, S.M., Osmond, D., Jennings, D., Arabi, M., Meals, D. 2012. Calapooia watershed, Oregon: National Institute of Food and Agriculture - Conservation Effects Assessment Project. Chapter 19. In: Osmond, D.L., D.W. Meals, D. LK. Hoag, and M. Arabi, editors. How to build better agricultural conservation programs to protect water quality: the National Institute of Food and Agriculture–Conservation Effects Assessment Project experience. Ankeny, IA: Soil and Water Conservation Society. p. 327-341.
Removal of Molluscicidal Bait Pellets by Earthworms and its Impact on Control of the Gray Field Slug, Derocerus reticulatum Mueller, in Western Oregon Grass Seed Fields - (Peer Reviewed Journal)
Gavin, W.E., Mueller Warrant, G.W., Griffith, S.M., Banowetz, G.M. 2012. Removal of Molluscicidal Bait Pellets by Earthworms and its Impact on Control of the Gray Field Slug, Derocerus reticulatum Mueller, in Western Oregon Grass Seed Fields. Crop Protection Journal. 42:94-101.
Impact of land use patterns and agricultural practices on water quality in the Calapooia River Basin of western Oregon - (Peer Reviewed Journal)
Mueller Warrant, G.W., Griffith, S.M., Whittaker, G.W., Banowetz, G.M., Pfender, W.F., Garcia, T.S., Giannico, G.R. 2012. Impact of land use patterns and agricultural practices on water quality in the Calapooia River Basin of western Oregon. Journal of Soil and Water Conservation. 67(3):183-201.
Western Oregon Grass Seed Crop Rotation and Straw Residue Effects on Soil Quality - (Peer Reviewed Journal)
Griffith, S.M., Banowetz, G.M., Dick, R.P., Mueller Warrant, G.W., Whittaker, G.W. 2011. Western Oregon Grass Seed Crop Rotation and Straw Residue Effects on Soil Quality. Agronomy Journal. 103:1124-1131.
Sustainability in Seed Production Enterprises – What We’ve Learned - (Experiment Station)
Banowetz, G.M., Griffith, S.M., Steiner, J.J., Mueller Warrant, G.W., Gavin, W.E. 2010. SUSTAINABILITY IN SEED PRODUCTION ENTERPRISES – WHAT WE’VE LEARNED. Seed Production Research at Oregon State University.129:35-37.
On-farm conversion of straw to bioenergy – A value added solution to grass seed straw - (Experiment Station)
Mueller Warrant, G.W., Banowetz, G.M., Whittaker, G.W., El Nashaar, H.M. 2010. On-farm conversion of straw to bioenergy – A value added solution to grass seed straw. Seed Production Research at Oregon State University. 139:25-30.
Remote Sensing Classification of Grass Seed Cropping Practices in Western Oregon - (Peer Reviewed Journal)
Mueller Warrant, G.W., Whittaker, G.W., Griffith, S.M., Banowetz, G.M., Dugger, B.D., Garcia, T.S., Giannico, G., Boyers, K.L., Mccomb, B.C. 2011. Remote Sensing Classification of Grass Seed Cropping Practices in Western Oregon. International Journal of Remote Sensing. 32:2451-2480.
Short-term effects of chlorpyrifos and other pesticides on earthworm numbers - (Experiment Station)
Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W. Short-term effects of chlorpyrifos and other pesticides on earthworm numbers. Seed Production Research at Oregon State University. 2009. p. 77-81.
GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops - (Peer Reviewed Journal)
Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2008. GIS Analysis of Spatial Clustering and Temporal Change in Weeds of Grass Seed Crops. Weed Science. 56:647-669.
Three-Year GIS of Western Oregon Grass Seed Cropping Practices - (Experiment Station)
Mueller Warrant, G.W., Whittaker, G.W., Griffith, S.M., Banowetz, G.M., Garcia, T.S., Giannico, G.R., Mccomb, B.C. 2008. Three-year gis of western oregon grass seed cropping practices. Seed Production Research at Oregon State University.127:37-40.
Effects of Baits and Bait Alternatives on Slug Mortality, Egg Production, and Seedling Survival - (Experiment Station)
Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W. 2008. Effects of baits and bait alternatives on slug mortality, egg production, and seedling survival. Seed Production Research at Oregon State University. 127:12-17.
Assessing trade-offs between crop production and ecological services: the Calapooia Basin - (Experiment Station)
Colvin, R.W., Giannico, G.R., Herlihy, A.T., Gerth, W.J., Confessor, R.B., Fare, R.G., Garcia, T.S., Griffith, S.M., Grosskopf, S.P., Mccomb, B.C., Whittaker, G.W., Mueller Warrant, G.W. 2008. Assessing trade-offs between crop production and ecological services: the Calapooia Basin. Seed Production Research at Oregon State University. 127: 78-79.
A Hybrid Genetic Algorithm for Multiobjective Problems with Activity Analysis-Based Local Search - (Peer Reviewed Journal)
Whittaker, G.W., Confesor, R., Griffith, S.M., Fare, R., Grosskopf, S., Steiner, J.J., Mueller Warrant, G.W., Banowetz, G.M. 2007. A hybrid genetic algorithm for multiobjective problems with activity analysis-based local search. European Journal of Operations Research.193:195-203.
Spatial Clustering of Grass Seed Weeds - (Experiment Station)
Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2007. Spatial Clustering of Grass Seed Weeds. Seed Production Research at Oregon State University. Department of Crop & Soil Science. Ext /CrS 126 P. 53-59.
Earthworms and Their Impact on Slug Control - (Experiment Station)
Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W. 2007. Earthworms and their impact on slug control. Seed Production Research at Oregon State University.Department of Crop & Soil Science Ext/CrS 126 04/2007 P 22-27.
Behaviorial and Biological Effects of Weather on the Gray Field Slug in Western Oregon - (Experiment Station)
Gavin, W.E., Banowetz, G.M., Griffith, S.M., Mueller Warrant, G.W., Steiner, J.J., Whittaker, G.W. 2007. Behaviorial and biological effects of weather on the gray field slug in western oregon. Seed Production Research at Oregon State University. Department of Crop & Soil Science Ext/CrS 126 P 28-33.
Developing an Historical Landuse Record for Sub-Basins of the Calapooia River Watershed in Oregon - (Abstract Only) - (31-Jul-06)
Spatial Display of Agronomic Data While Preserving Grower Confidentiality - (Other)
Mueller Warrant, G.W., Whittaker, G.W., Young, W. 2006. Spatial Display of Agronomic Data While Preserving Grower Confidentiality. ESRI Conference Proceedings. Map ID 250.
GIS Analysis of Crop Rotation and Stand Age Effects on Grass Seed Weeds - (Experiment Station)
Mueller Warrant, G.W., Whittaker, G.W., Young, W.C. 2006. Gis analysis of crop rotation and stand age effects on grass seed weeds. Seed Production Research at Oregon State University. EXT/CrS 125, 4/06. Pages 10-13
Conservation Practices in Western Oregon Perennial Grass Seed Systems. I: Impacts of Direct Seeding and Maximal Residue Management on Production - (Peer Reviewed Journal) - (06-Oct-05)
Weed Control for Tall Fescue Seed Production and Stand Duration Without Burning - (Peer Reviewed Journal)
Mueller Warrant, G.W., Rosato, S.C. 2005. Weed control for tall fescue seed production and stand duration without burning. Crop Science.45:2614-2628.
Effects of Direct Seeding and Full Chop-Back Residue Management in Perennial - (Experiment Station)
Steiner, J.J., Griffith, S.M., Mueller Warrant, G.W., Whittaker, G.W., Banowetz, G.M., Elliott, L.F. 2005. Effects of direct seeding and full chop-back residue management in perennial. Seed Production Research at Oregon State University.
Ecological Fitness of Acetolactate Synthase Inhibitor–resistant and –susceptible Downy Brome (Bromus Tectorum) Biotypes - (Peer Reviewed Journal)
Park, K., Mallory-Smith, C.A., Ball, D.A., Mueller Warrant, G.W. 2004. Ecological fitness of acetolactate synthase inhibitor–resistant and –susceptible downy brome (bromus tectorum) biotypes. Weed Science.52(5):768-773.
Grass Seed Fields, Seasonal Winter Drainages, and Native Fish Habitat in the South Willamette Valley - (Experiment Station)
Steiner, J.J., Mellbye, M.E., Griffith, S.M., Giannico, G.R., Li, J., Boyer, K.S., Schoenholtz, S.H., Whittaker, G.W., Mueller Warrant, G.W., Banowetz, G.M. 2004. Grass seed fields, seasonal winter drainages, and native fish habitat in the South Willamette Valley. Seed Production Research at Oregon State University. Corvallis, Oregon. p. 55-56.
Landscape-Scale Weed Deomography As a Metric of Agricultural Sustainability - (Abstract Only)
Mueller Warrant, G.W., Schweitzer, L.R., Cook, R.L. 2004. Landscape-scale weed deomography as a metric of agricultural sustainability. Meeting Abstract.American Society for the Advancement of Science Annual Meeting. February 12-16, 2004. Seattle, WA. General Poster Session. Poster 44.
Monitoring Trends in Weeds of Grass Seed Crops Using GIS Tools - (Other)
MUELLER WARRANT, G.W., SCHWEITZER, L.R., COOK, R.L. 2003. MONITORING TRENDS IN WEEDS OF GRASS SEED CROPS USING GIS TOOLS. MAP #736. ESRI USERS CONFERENCE. JULY 25-30, 2003.
Differential Sensitivity of Lolium Multiflorum Cultivars to Fenoxaprop - (Peer Reviewed Journal)
HASSAN, G., MUELLER WARRANT, G.W., GRIFFITH, S.M. DIFFERENTIAL SENSITIVITY OF LOLIUM MULTIFLORUM CULTIVARS TO FENOXAPROP. WEED SCIENCE. 2002. v. 50. p. 567-575.
Weed Control for Long-Term Production of Perennial Ryegrass Seed Without Burning: I. Residue Removed - (Peer Reviewed Journal)
MUELLER WARRANT, G.W., ROSATO, S.C. WEED CONTROL FOR LONG-TERM PRODUCTION OF PERENNIAL RYEGRASS SEED WITHOUT BURNING: I. RESIDUE REMOVED. AGRONOMY JOURNAL. 2002. v. 94(5). p. 1181-1191.
Genetic Diversity of Poa Annua in Western Oregon Grass Seed Crops - (Peer Reviewed Journal) - (11-Nov-99)
A Psba Mutation (Valine 219 to Isoleucine) Causes Resistance to Metribuzin and Diuron in Poa Annua - (Peer Reviewed Journal) - (01-Nov-99)
Running Rapds with Cross Breeding Grasses - (Proceedings) - (17-Mar-97)
Registration of Orarhr-G93 and Orarhr-M93 Italian Ryegrass Germplasm with Tolerance to Diclofop-Methyl - (Germplasm Release) - (05-Mar-97)
Flowering and Seed Production in Newly-Sown Crownvetch (Coronilla Varia L.)IN New Zealand - (Peer Reviewed Journal) - (15-Aug-96)
Sowing Date and Defoliation Timing on Seed Production of Hairy Vetch, Crimson Clover and Serradella in New Zealand - (Peer Reviewed Journal) - (15-Aug-96)
Survival of Weed Seeds and Seed Pathogen Propagules in Composted Grass Seedstraw - (Peer Reviewed Journal) - (18-Aug-95)
Last Modified: 8/4/2006
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