Alden, C.H. 1925 San Jose scale control with lubricating oil emulsion on peach trees in the south.. Journal of Economic Entomology 18(2): 253-257.

Notes: The San Jose scale, Aspidiotus perniciosus Comst., has been gradually increasing on peach trees in the south in spite of annual dormant treatments with lime-sulphur. Several treatments and their timing are discussed.