Red scale on citrus: Use of DDT for control studied
G. E. Carman, Experiment Station, Riverside.
California Agriculture 2(7):15-15. DOI: 10.3733/ca.v002n07p15.
Not available – first paragraph follows:
DDT-kerosene sprays for control of red scale on citrus are not recommended beyond very limited field trials because of disadvantages and hazards associated with their use.
G. E. Carman is Associate Entomologist in the Citrus Experiment Station, Riverside.