Keith S. Yoder

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Professor

Virginia Tech Ag. Research and Extension Center
595 Laurel Grove Road
Winchester, VA 22602

Phone: (540) 869-2560 Ext 21
Fax: (540) 869-0862
E-Mail: ksyoder at vt.edu

Education| Research Interests| Extension Interests| Research Support| Experience| Selected Publications| Additional Information

Education

  • Ph.D. Plant Pathology, Michigan State University 1974
  • M.S. Plant Pathology, Michigan State University 1972
  • B.A. Biology, Goshen College 1968

Research Interests

  • Fire blight Management
  • Diseases Resistance and Susceptibility of New Apple Cultivars
  • Fruit fungicide activity spectrum and fungal resistance management

Extension Interests

  • Apple Summer Disease Monitoring
  • Effect of Powdery Mildew on Apple Yield and Its Economic Management
  • For more information, see my Fruit Disease Updates

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Selected Research Support

  • Virginia Agricultural Council
  • Virginia Apple Research Program
  • IR-4 Biopesticide Research Program
  • Various commercial grant-in-aid sponsors

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Experience

  • Professor, Dept. of Plant Pathology, Physiology & Weed Science, Virginia Tech, 2000-present
  • Associate Professor, Dept. of Plant Pathology, Physiology & Weed Science, Virginia Tech, 1982-2000
  • Assistant Professor, Dept. of Plant Pathology, Physiology & Weed Science, Virginia Tech, 1977-82
  • Research Plant Pathologist, E. I. DuPont de Nemours and Co., Wilmington, DE, 1974-1976
  • Graduate Research Assistant, Michigan State University, 1971-74
  • Research Technician, Michigan State University, 1969-1971

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Selected Publications

  1. Brown M., S. Miller, K. Yoder. 2006. Stink bug (Pentatomidae) feeding preferences among apple cultivars. J. Amer. Pomol. Soc. 60(3):144-148.
  2. Yoder K., A. Cochran II, W. Royston, Jr., S. Kilmer, L. Brumback. 2006. Fireblight control by integrated biological and streptomycin treatments on Idared apple, 2005. Biological and Cultural Tests For Control of Plant Diseases: 21:N004.
  3. Yoder K., A. Cochran II, W. Royston, Jr., S. Kilmer. 2006. Storage rot control by postharvest dip treatments on Fuji and Golden Delicious apples, 2004-05. F&N Tests: 61:PF013.
  4. Yoder K., A. Cochran II, W. Royston, Jr., S. Kilmer. 2006. Blossom blight control by antibiotics on Idared apple, 2005. F&N Tests: 61: PF014.
  5. Yoder K., A. Cochran II, W. Royston, Jr., S. Kilmer. 2006. Control of fireblight and fungal diseases by experimental and registered fungicides on Nittany apple, 2005. F&N Tests: 61:PF015.
  6. Janisiewicz, W., D. Peterson, K. Yoder, S. Miller. 2005. Experimental bin drenching system for testing biocontrol agents to control postharvest decay of apples. Plant Disease 89:487-490.
  7. Yoder, K. S. 2000. Effect of powdery mildew on apple yield and its economic management in Virginia. Plant Disease 84:1171-1176.
  8. Yoder, K. S., S. S. Miller and R. E. Byers. 1999. Suppression of fireblight in apple shoots by prohexadione-calcium (BAS 125 W) following experimental and natural inoculation conditions. HortScience 34:1202-1204.
  9. Yoder, K. S. 2001. Suppression of fire blight of apple shoots by Apogee. Compact Fruit Tree 34 (2): 50-53.
  10. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Effectiveness of delayed early season application of fungicides on three apple cultivars, 2003. F&N Tests 59:PF029. (3 pp. On-line publication).
  11. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Evaluation of fungicide schedules and mixtures for broad spectrum disease management on Stayman, Idared, and Ginger Gold apples, 2003. F&N Tests 59:PF028. (4 pp. On-line publication).
  12. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Evaluation of fire blight blossom treatments on Golden Delicious and Rome Beauty apples, 2003. F&N Tests 59:PF030. (1 p. On-line publication).
  13. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Evaluation of concentrate applications of experimental fungicides on Golden Delicious apple, 2003. F&N Tests 59:PF027. (3 pp. On-line publication).
  14. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Evaluation of fungicides for broad spectrum disease control on Loring peach and Redgold nectarine, 2003. F&N Tests 59:STF020. (3 pp. On-line publication).
  15. Yoder, K. S., A. E. Cochran II, W. S. Royston, Jr., and S. W. Kilmer. 2004. Effectiveness of Scholar as a post-harvest brown rot treatment on peach and nectarine, 2003. F&N Tests 59:STF021. (1 p. On-line publication).

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Additional Information

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