Arthur James Downer
Environmental Horticulture/Plant Pathology Advisor Emeritus
ajdowner@ucanr.edu
Ph.D. Plant Pathology, UC Riverside. 1998
Pathology of landscape ornamentals , Phytophthora Root Rot, Mulches, Potting soils, Palm horticulture, climate ready trees, arboriculture, Master Gardener Advisor.
- BSc Cal Poly, Pomona 1981 Botany/Ornamental Horticulture
- MSc Cal Poly, Pomona, 1983 Biology/Plant Pathology
- Ph.D. Univ. California Riverside, 1998 Plant Pathology.
- CE Advisor in Environmental Horticulture in Ventura County since 1985
- Adjunct Plant Science Professor, California Polytechnic U. in Pomona since 2013
-