Water spot on navel oranges: Only slight injury observed in orchards treated with parathion for California red scale control
L. A. Riehl, University of California
G. E. Carman, University of California
California Agriculture 7(10):7-8. DOI: 10.3733/ca.v007n10p7.
Not available – first paragraph follows:
Water spot injury to navel oranges was less on trees treated with 25% parathion wettable powder than on trees sprayed with oil, in four observed orchards in Los Angeles County.
L. A. Riehl is Associate Entomologist, University of California, Riverside. G. E. Carman is Entomologist, University of California, Riverside.
The above progress report is based on Research Project No. 1229.