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.
G. E. Carman is Associate Entomologist in the Citrus Experiment Station, Riverside.
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.