Research Interests | Publications | Professional Experience

Ed Peachey
Assistant Professor, Senior Research

Research Interests
Tillage and cropping system effects on herbicide loss and water quality
Effect of weed seed burial depth and tillage system on emergence potential
Weed management in processed vegetables.

Publications
Annual Horticultural Weed Management Reports: 1998-present. Summary of Oregon weed management efforts in vegetable and small fruits. http://hort.oregonstate.edu/faculty-staff/peachey/weedrpt

Journal articles

Peachey, R. E. and Carol Mallory-Smith. 2006. Influence of winter seed position and recovery date on hairy nightshade (Solanum sarrachoides) recruitment and seed germination, dormancy, and mortality. In press, Weed Science, October 2006. Supplemental table available on line (pdf format).

Peachey, E., R. L. Ludy, M. L. Powelson, and D. McGrath. 2006. Modification of plant arrangement suppresses white mold of snap beans. Submitted to HortScience, March, 2006.

Rupp, D. E., R. E. Peachey, K. Warren, and J. S. Selker. 2006. Diuron in surface runoff and tile drainage from two grass-seed fields. J. Environ. Qual. 35: 303-311

Peachey, R. E., R. D. William and C. Mallory-Smith. Effect of spring tillage sequence on summer annual weeds in vegetable row crop. 2006. Weed Technol. 20: 204-214.

Peachey, R. E., R. D. William and C. Mallory-Smith. 2005. Effect of notill or conventional planting and cover crops residues on weed emergence in irrigated vegetable row crops. Weed Technol. 18: 1023-1030.

Peachey, R. E., A. Moldenke, R. D. William, R. Berry, E. Ingham, and Eric Groth. 2002. Effect of cover crops and tillage system on symphylans (Symphlya: Scutigerella immaculata, Newport) and Pergamasus quisquiliarum Canestrini (Acari: Mesostigmata) Populations, and other Soil Organisms in Agricultural Soils. J. of Applied Soil Ecol. 598: 1-12

Peachey, R. E., J. N. Pinkerton, K. L. Ivors, M. L. Miller, And L. W. Moore. 2000. Effect of soil solarization, cover crops, and metham on field emergence and survival of buried annual bluegrass (Poa annua) Seeds. Weed Technol. 15: 81-88.

Extension Publications

McGrath, D. and E. Peachey. 2006. Managing 12-Spot Beetles in Snap Beans with Fewer Chemicals and Less Risk of Crop Injury. EM 8906, Oregon State University Extension Publication.

Peachey, R. E., J. Luna, R. Dick, and R. Satell. 1999. Cover Crop Weed Suppression in Annual Rotations. EM 8725, Oregon State University Extension Publication.

Oregon Cover Crops: Common Vetch (Vicia sativa L.). 1998. R. Sattell, R. Dick, J. Luna, D. McGrath, and E. Peachey. EM 8695, Oregon State University Extension Publication.

Oregon Cover Crops: Annual Ryegrass (Lolium multiflorum). 1998. R. Sattell, R. Dick, R. Karow, D. McGrath, and E. Peachey. EM 8691, Oregon State University Extension Publication.

Research Reports

Peachey, E., R. McReynolds, and M. Histand. 2006. Vegetable crop tolerance to dimethenamid-p. West. Soc. of Weed Sci. Research Progress Reports. Reno, NV, March 9-11.

Peachey, E., R. McReynolds, and M. Histand. 2006. Brassica crop tolerance to dimethenamid-p. West. Soc. of Weed Sci. Research Progress Reports. Reno, NV, March 9-11.

Kaufman, D., E. Peachey, and J. Harpole. 2006. Evaluation of selected post-emergence herbicides for use in newly established strawberries. West. Soc. of Weed Sci. Research Progress Reports. Reno, NV, March 9-11.

Kaufman, D., E. Peachey, and J. Harpole. 2006. Weed control strategies in second year strawberries. West. Soc. of Weed Sci. Research Progress Reports. Reno, NV, March 9-11.

Kaufman, D., E. Peachey, and Judy Kowalski. 2005. Evaluation of promising weed control strategies in newly established strawberries. Res. Progress. Reports of the W. Soc. of Weed Sci. March 9-11, Colorado Spring, CO, Vancouver, BC, pp 62-64.

Peachey, R. E. 2005. Table beet tolerance to s-metolachlor and dimethenamid-p. Res. Prog. Report of the W. Soc. of Weed Sci. March 8-9, Vancouver, BC, pp 18-19.

Peachey, R. E. 2005. Weed control with s-metolachlor in table beets. Res. Prog. Report of the W. Soc. of Weed Sci. March 8-9, Vancouver, BC, p 20.

Kaufman, D., J. DeFransico, J. Kowalski, and E. Peachey. 2003. Evaluation of new herbicides for use in second year strawberries. Res. Prog. Report of the W. Soc. of Weed Sci. March, 11-13, Koloa, HA, pp 55-57.

Kaufman, D., J. DeFransico, G. Koskela, and E. Peachey. 2002. Evaluation of new herbicides for use in second year strawberries. Res. Prog. Report of the W. Soc. of Weed Sci. March, 12-14, Salt Lake City, Utah, pp 56-58.

Peachey, R. E. and R. McReynolds. 2002. Effects of planting depth, irrigation level, and halosulfuron rate on cucurbit growth and yield. Res. Prog. Report of the W. Soc. of Weed Sci. March, 12-14, Salt Lake City, Utah, pp 49-50.

Peachey, R. E. and R. D. William. 2001. Tolerance of snap beans to flumioxazin and azafenidin. Res. Prog. Report of the W. Soc. of Weed Sci. March, 13-15, Coeur D'Alene, ID p 45.

Peachey, R. E. and C. Mallory Smith. 2001. Screening of low-rate herbicides for vegetable crop tolerance and weed control. Res. Prog. Report of the W. Soc. of Weed Sci. March, 13-15, Coeur D'Alene, ID pp 53-54.

Kauffman, D., J. DeFransico, G. Koskela, and E. Peachey. 2000. Evaluation of new herbicides for use in strawberries. Res. Prog. Report of the W. Soc. of Weed Sci. March, 14-16, Tuscon, AZ, pp 41-42.

Peachey, R. E. and R.D. William. 2000. Tolerance of processing squash to sulfentrazone and azafenidin. Res. Prog. Report of the W. Soc. of Weed Sci. March, 14-16, Tucson, AZ, p 58.

Peachey, R. E. 2000. Herbicide and ethoprop insecticide effects on early season snap bean emergence, growth, and root health. Res. Prog. Report of the W. Soc. of Weed Sci. March, 14-16, Tucson, AZ, pp 59-60.

Peachey, R. E. and C. Mallory Smith. 1999. Tolerance of vegetables to herbicides. Res. Prog. Report of the W. Soc. of Weed Sci. March 9-11, Colorado Springs, CO, pp 42-43.

Abstracts and Misc. Publications

Peachey, R. E., C. Mallory Smith, and R. D. William. 2006. Control of wild proso millet in sweet corn: Comparing topramezone efficacy and crop tolerance with other herbicides and integrated strategies. Proc. of the Western Society of Weed Science, Vol. 59: (in press). Reno, NV.

Peachey, R. E. and C. Mallory Smith. 2005. Influence of tillage system on hairy nightshade recruitment and seed germination, mortality, and dormancy. Proc. of the Western Society of Weed Science, 58: 69.Vancouver, BC.

Boerboom, C. M., Becker, R. L., Williams, M. M., Bellinder, R. R., Vangessel, M. J., Peachey, R.E. 2005. Multi-state evaluation of sweet corn hybrid tolerance to herbicides. Abstract. North Central Weed Science Society Proceedings. Vol. 59.

Aldrich-Markham, S., and R. E. Peachey. 2004. Nurse crops for erosion control in newly-planted grass seed fields. In: Seed Production Research, ed. W. Young. Crop Science Department, Oregon State University.

Peachey, R. E. 2004. Seedling recruitment of hairy nightshade and other summer annual weeds in irrigated row crops. Ph.D. Thesis. Crop Science, Oregon State University.

Peachey, R. E, and C. Mallory Smith, and R.D. William. 2004. Hairy nightshade emergence in reduced tillage systems. Weed Science Society of America. February 10, 2004. Kansas City, MO. Poster.

Peachey, R. E., D. Rupp, R. D. William, and J. Selker. 2004. Tillage system and herbicide placement effects on potential losses of metolachlor in vegetable row crops. Proc. of the West. Soc. of Weed Sci. 57: 58-59. Colorado Springs, CO.

Boydston, R. A., and R. E. Peachey. 2004. Predicting hairy nightshade berry production in peas and snap beans based on thermal time of emergence and heat units. Proc. of the West. Soc. of Weed Sci. 57: 55. Colorado Springs, CO.

Peachey, R. E., R. D. William and C. Mallory-Smith. 2003. Factors influencing emergence of Powell amaranth and hairy nightshade in irrigated cropping systems. Proc. of the West. Soc. of Weed Sci. 56: 44. Kauai, HA.

Peachey, R. E., R. D. William. 2002. Effect of timing, rate, and pesticide use pattern on performance of imazamox herbicide in snap beans. Proc. of the West. Soc. of Weed Sci. 55: 49. Salt Lake City, UT.

Kaufman, D., J. De Francesco, G. Koskela, and E. Peachey. 2002. Evaluation of new herbicides for use in strawberries. Proc. of the West. Soc. of Weed Sci. 55: 50-51. Salt Lake City, UT.

Peachey, R. E., R. D. William, and C. Mallory-Smith. 2001. Effect of tillage rotations on weed populations in irrigated row crops. Proc. of the West. Soc. of Weed Sci. 54: 43 - 44. Coeur D'Alene, ID.

Kaufman, D., J. De Francesco, G. Koskela, and E. Peachey. 2001. Evaluation of new herbicides for use in strawberries. Proc. of the West. Soc. of Weed Sci. 54: 36 - 41. Coeur D'Alene, ID.

Peachey, R. E., J. N. Pinkerton, K. L. Ivors, M. L. Miller, and L. W. Moore. 2000. Effect of soil solarization, cover crops, and metham on field emergence and survival of buried annual bluegrass (Poa annua) seeds. Proc. of the West. Soc. of Weed Sci. 53: 51. Tucson, AZ.

Peachey, R. E., R. D. William, C. Mallory-Smith, and A. Moldenke. 1999. Effects of cover crops and tillage system on weeds in vegetable row crops. Proc. West. Soc. Weed Sci. 52: 86. Colorado Springs, CO. Peachey, R. E. and R. D. William. 1998. Weed management in cucurbits with sulfentrazone, dimethenamid, and direct-seeding. Proc. West. Soc. Weed Sci. 51: 71-74. Waikoloa, HA.

Burrill, L., E. Peachey, and J. Hill. 1988. Time-lapse photography of weeds killed by herbicides. Oregon State University, http://www.wssa.net/herb&control/movie.htm.

Professional Experience
Horticultural Senior Research Assistant. Department of Horticulture, Oregon State University. April 1993 to 2005.

Interim Extension Agent. Marion County OR. Processed vegetables. Nov 1998 to - Nov. 1999.

Processed vegetables agent. Nov 1998 to - Nov. 1999.

Graduate Research Assistant. Oregon State University. April 1991 to March 1993.

Agriculture Extension Program Leader. MCC, Dhaka, Bangladesh. June 1989 to November 1990.

Horticulture Advisor. MCC, Dhaka, Bangladesh. November 1987 to June 1989.

Research Assistant. Crop Science Department, Oregon State University, June 1986 to March 1987.

Field Representative. Western Biochemical Consulting Inc., Beaverton, Oregon. April 1985 to September 1985.