Professor
Horticulture/Plant
& Soil Science
2-211
(909) 869-2172;
FAX (909) 869-4454
froth@csupomona.edu
www.csupomona.edu/~froth
B.S., 1968; M.S., 1969, UC Davis; Ph.D., 1977, Cornell
University
Dr. Roth received his terminal degree at Cornell
University following a period of military service. He took his
appointment at Cal State Polytechnic University in 1977 where
he has served as professor and advisor to undergraduate students
continuously for over 20 years.
- Diagnosis and control of diseases of ornamental
plants
- Diagnosis and control of diseases of crop plants
- Ornamental tree care and management
- Landscape contracting: Landscape maintenance
- Diseases of ornamental plants
- Disease etiology and control
- Factors affecting ornamental tree health
Dr. Roth is a member of the American Phytopathological
Society, the International Society of Arboriculture and the California
Urban Forests council. He is certified as an arborist with the
ISA and is licensed as a pest control advisor by the State of
California. He serves as a contributor to the California Tree
Failure Report Program and actively consults in private practice
on tree care and preservation issues.
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