Walnut pest studies: Studies in southern California compare a new spray material with DDT for codling moth control
J. C. Ortega, University of California College of Agriculture
California Agriculture 6(8):13-13. DOI: 10.3733/ca.v006n08p13.
J. C. Ortega is Assistant Specialist in Entomology, University of California College of Agriculture, Riverside;
Not available – first paragraph follows:
A new material, diethyl diphenyl dichloroethane—compound Q-137—was tested for control of codling moth in southern California.
The above progress report is based on Research Project No. 1419