Quick decline of oranges believed virus disease
W. M. Hoskins, Experiment Station
California Agriculture 1(2):1-3. DOI: 10.3733/ca.v001n02p1c.
Not available – first paragraph follows:
Quick decline of oranges still is largely confined to certain parts of Los Angeles County, although some cases have been seen in northern Orange San Bernardino County, and some suspected cases have been noted elsewhere.
W. M. Hoskins is Professor of Entomology and Entomologist in the Experiment Station, Berkeley.