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MacDONALD, James D. Professor of Plant Pathology and Executive Associate Dean, College of Agriculture and Environmental Science
Department of Plant Pathology |
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| Degree | Institution | Year | Specialization | |||
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| B.S. | University of California, Davis | 1973 | Plant Pathology | |||
| Ph.D. | University of California, Davis | 1978 | Plant Pathology | |||
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| Area of Specialization | ||||||
| Root diseases; Phytophthora root rots; soil microbiology; role of environmental stress in plant disease; diseases of nursery crops and ornamentals. | ||||||
| Research Statement | ||||||
| My research activities generally emphasize Phytophthora root rots of ornamental and landscape plants. Specific research topics include (1) The role of environmental stress in predisposing plants to Phytophthora root rots, (2) New technologies for disease diagnosis and fungal detection and monitoring in crops (3) New technologies (e.g., UV‑lasers) for treating recirculated irrigation water to eliminate plant pathogens, and (4) Electronic technologies for soil pasteurization as an alternative to Methyl Bromide. | ||||||
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Selected
Publications
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Turfgrass Diseases: Diagnosis and Management. Schumann, G. L., and J. D. MacDonald. 1997. The American Phytopathological Society, St. Paul, MN. | ||||||
| Occurrence of Phytophthora Species in Recirculated Nursery Irrigation Effluents. MacDonald. J. D., M. S. Ali Shtayeh, and J. Kabashima. 1994. Plant Disease 78:607 611. | ||||||
| An Evaluation of Soil Aeration Status Around Healthy and Declining Oaks in an Urban Environment in California. MacDonald, J. D., L. R. Costello, and T. Berger. 1993. Journal of Arboriculture 19:209 219. | ||||||
| Effect of Phytophthora Root Rot on Na+ Uptake and Accumulation by Safflower. Weicht, T. R., and J. D. MacDonald. 1992. Phytopathology 82:520 526. | ||||||
| Soil Salinity Enhances Phytophthora Root Rot of Tomato But Hinders Asexual Reproduction by Phytophthora parasitica. Swiecki, T. J., and J. D. MacDonald 1991. J. Amer. Soc. Hort. Sci. 116:471 477. | ||||||
| Heat Stress Enhances Phytophthora Root Rot Severity in Container Grown Chrysanthemums. MacDonald, J. D. 1990. J. Amer. Soc. Hort. Sci. 116:36 41. | ||||||