cthomas  /@/  ucdavis. edu

Associate Director, Western IPM Center

Office: 707-480-3306


B.S. Michigan State University – Horticulture

M.S. Michigan State University – Botany and Plant Pathology

Area of Specialization:

Agronomy, disease forecasting and control


Gubler, W. D., & Thomas, C. S. (2006). Control of grapevine powdery mildew: Timing of fungicide applications by use of the U C Davis Risk Assessment Model. Phytopathology, 96(6).

Mahaffee, W. F., Thomas, C. S., Turechek, W. W., Ocamb, C. M., Nelson, M. E., Fox, A., & Gubler, W. D. (2003). Responding to an introduced pathogen: Podosphaera macularis (hop powdery mildew) in the Pacific Northwest. Plant Health Progress, 10.

Thomas, C. S., Skinner, P. W., Fox, A. D., Greer, C. A., & Gubler, W. D. (2002). Utilization of GIS/GPS-based information technology in commercial crop decision making in California, Washington, Oregon, Idaho, and Arizona. Journal of nematology, 34(3), 200.

Gubler, W. D., Rademacher, M. R., Vasquez, S. J., & Thomas, C. S. (1999). Control of powdery mildew using the UC Davis powdery mildew risk index.Online. APSnet Feature Story.

Thomas, C. S., Boulton, R. B., Silacci, M. W., & Gubler, W. D. (1993). The effect of elemental sulfur, yeast strain, and fermentation medium on hydrogen sulfide production during fermentation. American journal of enology and viticulture, 44(2), 211-216.

English, J. T., Thomas, C. S., Marois, J. J., & Gubler, W. D. (1989). Microclimates of grapevine canopies associated with leaf removal and control of Botrytis bunch rot. Phytopathology, 79(4), 395-401.

Thomas, C. S., Marois, J. J., & English, J. T. (1988). The effects of wind speed, temperature, and relative humidity on development of aerial mycelium and conidia of Botrytis cinerea on grape. Phytopathology, 78(3), 260-265.

Thomas, C. S., & Hart, J. H. (1986). Relationship between year of infection, tree age, tree growth, and Nectria canker of black walnut in Michigan. Plant disease,70(12), 1121-1124.

Thomas, C. S., & Hart, J. H. (1986). Site factors associated with Nectria canker on black walnut in Michigan. Plant disease, 70(12), 1117-1121.

Fulbright, D. W., Weidlich, W. H., Haufler, K. Z., Thomas, C. S., & Paul, C. P. (1983). Chestnut blight and recovering American chestnut trees in Michigan.Canadian Journal of Botany, 61(12), 3164-3171.